: The present invention suggests a multi-component composition comprising an isocyanate-reactive compound, an isocyanate compound, a source of chemically bound water, optionally a catalyst, and optionally a CO2 scavenger. Moreover, the present invention suggests a process for preparing a polyurea polymer by curing that multi-component composition with the source of chemically bound water. Finally, the present invention suggests the polyurea polymer obtainable by that process and also the use of a specific source of chemically bound water for curing that 0 multi-component composition.
A curable resin composition, especially for use as a binder component of a paving joint composition, comprises: a) a polybutadiene binder; b) an organic cobalt salt; c) an organic manganese salt.
The invention is directed to a sealing element (1) comprising a carrier layer (2) having a first and a second major surface, a pressure sensitive adhesive layer (3) having a thickness of at least 100 µm, and optionally a release liner (4) covering at least a portion of an outer major surface of the pressure sensitive adhesive layer (3) facing away from the carrier layer (2), wherein the carrier layer (2) comprises at least one elastomer E and/or at least one thermoplastic vulcanizate TPV and has a thickness of at least 0.2 mm.
The present invention relates to use of a grinding additive during the dry grinding of mineral materials, especially limestone, characterized in that the grinding additive is selected from the group consisting of alkanolamines, glycols, glycerol, sugars, sugar acids, carboxylic acids or their salts, superplasticizers, superabsorbent polymers, or mixtures thereof. The present invention also relates to ground mineral materials, especially ground limestone, comprising said additives and the use of said ground mineral materials, especially ground limestone, in cement and/or construction materials.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 28/10 - Lime cements or magnesium oxide cements
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
6.
A METHOD FOR BONDING SEALING ELEMENTS TO SUBSTRATES USING A CEMENTITIOUS ADHESIVE
The invention is directed to a method for bonding of a sealing element (1) to a substrate (6) using a cementitious adhesive composition comprising at least one synthetic organic polymer and at least one hydraulic binder. The invention also relates to a sealed structure and to use of a wet cementitious adhesive composition for bonding of a sealing element to a surface of a substrate.
The invention relates to a sealing element (1) comprising: i. A waterproofing adhesive layer (2) having first and second major surfaces, ii. An adhesive layer (3) covering at least a portion of the first major surface of the waterproofing adhesive layer (2), and iii. A carrier layer (4) on the side of the waterproofing adhesive layer (2) opposite to the side of the adhesive layer (3), wherein the waterproofing adhesive layer (2) is composed of a self-adhering bituminous composition and the adhesive layer (3) is composed of a non- bituminous pressure sensitive adhesive. The invention also relates to use of the sealing element as a waterproofing, roofing, vapor barrier, vapor retarder, or a façade membrane, or as a waterproofing, roofing tape, or façade tape.
The invention relates to a two-component composition consisting of a component K1 comprising a) at least one monomer A according to formula (IIIa), where R1 represents either a hydrogen atom or a methyl group, preferably a methyl group; R2 represents either a linear or branched hydroxy alkyl groups with 2 to 6 carbon atoms or a group with 4 to 8 carbon atoms, said group comprising either a phenyl group or an aliphatic 5- or 6-ring with at least one ether oxygen in the ring structure; b) at least one monomer B according to formula (IIIb), where R3 represents either a hydrogen atom or a methyl group, preferably a methyl group; R4 represents a linear alkyl group with more than 12 carbon atoms in the chain and preferably maximally 20 carbon atoms in the chain; c) preferably between 10 wt.% and 20 wt.%, based on component K1, of at least one elastomer C of the formula (I), where R represents either a hydrogen atom or a methyl group; X represents a polymer polyol after removing two OH groups; and Y represents O or NR", where R" represents a hydrocarbon group or a hydrogen atom, preferably a hydrogen atom; and d) preferably at least one additive selected from the group consisting of a core shell polymer, an activator for a radical curing process, an inhibitor for a radical curing process, a filler, and an adhesive; with the proviso that component K1 contains between 25 wt.% and 75 wt.%, preferably between 40 wt.% and 60 wt.%, based on component K1, of the mixture of monomer A and monomer B, and with the proviso that the ratio of monomer A to monomer B in component K1 lies between 1:1 and 9:1, preferably between 6:4 and 8:2; and a component K2 comprising at least one initiator for a radical curing process. Such compositions are suitable for adhering and sealing processes and for producing coatings. The compositions according to the invention have a high elasticity at room temperature but are simultaneously still sufficiently elastic even at very low temperatures down to -20 °C and can be formulated without volatile monomers that have a highly unpleasant odor such as MMA.
A packaged additive for preparing a cementitious composition comprises a water-soluble paper container and at least one non-liquid additive packaged within the water-soluble paper container. A kit for preparing a hardenable cementitious composition comprises the packaged additive and a separate packaged base cementitious material. Also disclosed is a method for preparing a hardenable cementitious composition using the packaged additive and separate base cementitious material components of the kit, and a method for repairing a flaw in a cementitious structure using the hardenable cementitious composition prepared with the packaged additive and the separate base cementitious material.
B28C 5/00 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
B28C 7/06 - Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
B65D 65/46 - Applications of disintegrable, dissolvable or edible materials
B65D 85/804 - Disposable containers or packages with contents which are infused or dissolved in situ
C04B 22/00 - Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators
C04B 24/00 - Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
10.
METHODS TO IMPROVE THE WORKABILITY OF A MINERAL BINDER COMPOSITION COMPRISING AT LEAST ONE MINERAL BINDER AND ADDITIONALLY RECYCLED POWDER
The present invention relates to methods to improve the workability of a mineral binder composition comprising at least one mineral binder and additionally recycled powder, said methods comprising the steps of a) providing at least one mineral binder, b) admixing recycled powder, c) admixing at least one workability improver selected from the group consisting of polycarboxylates, lignosulphonates, sugar acids, sugars, or mixtures thereof, and d) admixing water.
C04B 18/16 - Waste materials; Refuse from building or ceramic industry
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
A computer-implemented method for characterization of solid particles, especially sand particles, comprises the steps of: a) Providing a sample of solid particles to be analyzed in a predefined sample area; b) Taking at least one digital image of the sample of solid particles with a camera of a mobile computer device; c) Performing an imaging particle analysis of the at least one digital image for extracting at least one particle size parameter and/or at least one particle shape parameter of the population of particles identified in the at least one digital image; d) Making available the at least one particle size parameter and/or the at least one particle shape parameter via a user interface, via a machine interface and/or on a data storage medium.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The present invention relates to methods for the retrieval of aggregates from waste construction material by grinding in a ball mill or on a compressive grinder. Methods of the present invention are useful in the recycling of waste construction material, especially in the recycling of concrete or mortar. The present invention also relates to cleaned aggregates obtained from waste construction material by grinding and to their use on the production of new construction materials.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
13.
ACCELERATORS FOR THE REACTION OF STEELMAKING SLAG WITH WATER
The present invention relates to accelerators for the reaction of steelmaking slag with water. Said accelerator being selected from the group consisting of alkanolamines, reducing agents, sugars, sugar acids, carboxylic acids or their salts, amino acids or their salts, sulfamic acid, glyoxal, acetylacetone, pyrocatechol, nitrilotri(methylphosphonic acid), etidronic acid, mineral salts, or mixtures thereof The present invention also relates to binders comprising steelmaking slag and said accelerators and their use in construction materials.
The present invention relates to the use of at least one soluble alkali metal compound for adjusting, in particular reducing, the viscosity of an aluminum sulfate suspension, the alkali metal being selected from among sodium, potassium and/or lithium.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
15.
AQUEOUS ADMIXTURE FOR INORGANIC BINDER COMPOSITION
The present invention pertains to an aqueous admixtures for inorganic binder compositions such as concrete or mortar comprising: a) 12 ? 55, preferably 15 ? 50 weight-%, especially 20 ? 45 weight-% of at least one anionic polymer selected from the group consisting of plasticizers, water reducers, superplasticizers and workability retainers for inorganic binders, b) 15 ? 35 weight-%, preferably 20 ? 30 weight-% of at least one water insoluble liquid defoamer, and c) optionally 1 ? 10 weight-%, preferably 2 ? 5 weight-% of at least one retarder, based on 100 weight-% of the aqueous composition. Especially, the admixture of the present invention is useful in the field of additive manufacturing.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
16.
A SEALING ELEMENT WITH IMPROVED BONDING TO CEMENTITIOUS COMPOSITIONS
The invention is directed to a sealing element comprising a filled polymeric layer comprising a polymer component comprising a polyvinylchloride resin and at least one ethylene vinyl acetate copolymer 5 and at least one inorganic filler. The invention also relates to use of the sealing element as a waterbar or as a waterproofing membrane, to a method for sealing a joint between two sections of concrete, to a method for waterproofing a substrate, and to a method for producing a sealing element. 10
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
C09J 7/30 - Adhesives in the form of films or foils characterised by the adhesive composition
C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
The present invention relates to use of a grinding additive during the dry grinding of steel making slag, characterized in that the grinding additive is selected from the group consisting of alkanolamines, glycols, glycerol, sugars, sugar acids, carboxylic acids or their salts, superplasticizers, superabsorbent polymers, or mixtures thereof. The present invention also relates to ground steelmaking slag comprising said additives and the use of said ground steel making slag in construction materials.
C04B 18/14 - Waste materials; Refuse from metallurgical processes
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
The present invention relates to use of a grinding additive during the dry grinding of clay mineral, characterized in that the grinding additive is selected from the group consisting of alkanolamines, glycols, glycerol, sugars, sugar acids, carboxylic acids or their salts, superplasticizers, superabsorbent polymers, or mixtures thereof. The present invention also relates to ground clay mineral comprising said additives and the use of said ground clay mineral in construction materials.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
19.
ADDUCT OF ALKYLATED DIAMINE AND NOVOLAK EPOXY RESIN
The invention relates to an amino-functional adduct from the reaction of at least one amine of formula (I) with at least one epoxy novolac resin having an average functionality in the range of 2.5 to 4. The adduct is liquid at room temperature without a diluting agent and without a large excess of amine. The adduct is suitable as a curing agent for epoxy resin compositions, in which it provides good processability, rapid curing and a high level of hydrophobicity and cross-linking density. The adduct is particularly suitable for coatings, in which it provides pleasant surfaces, effective intercoat adhesion, high thermal-shock resistance and effective protection against steel corrosion.
C08G 59/18 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
20.
SAFER DUSTLESS METHOD FOR INSTALLING A PRECOMPRESSED EXPANSION JOINT SEALING SYSTEM
Disclosed is a safer, dustless method for installing an expansion joint sealing system without mechanically grinding substrates to improve adhesion. The method includes locating substrates forming a gap between opposing surfaces of the substrates, preparing the surfaces by wiping with a solvent, and applying a mounting band of sealant to the surfaces. The method includes disposing the sealing system in the gap proximate to or within the mounting band, maintaining the sealing system in the gap until the system expands toward the surfaces, embeds within the mounting band and secures the sealing system in position between opposing surfaces. The method also includes prior to the preparing the surfaces, removing an existing joint sealing system by cutting sealant between the existing system and the substrates, wiping surfaces with solvent, and leaving any deformation or embedded residue from the removed sealing system on or embedded in the surfaces of the substrates.
A method for characterizing sands with regard to adsorption of plasticizing additives comprising the steps of: a) Providing an aqueous mixture of the plasticizing additive with a defined concentration of the plasticizing additive; b) Determination of a characteristic of the aqueous mixture whereby the characteristic is related to the proportion of the plasticizing additive in the aqueous mixture; c) Contacting a sample of sand to be analyzed with the aqueous mixture or a sample thereof, so that the sand sample is completely immersed in the aqueous mixture or the sample thereof; d) Taking a sample of supernatant liquid from the mixture of step; e) Determination of the same characteristic as in step b) of the sample of supernatant liquid; f) Comparing the characteristic of the aqueous mixture or the sample thereof obtained in step b) with the characteristic of the sample of supernatant liquid of step e) in order to decide whether the characteristics differ from each other by more than a predefined threshold or not.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
A nitrogen compound having a melting point of at least 65°C is used as a curing agent for heat curing in a heat-curable single-component polyurethane composition, which comprises a prepolymer with isocyanate end groups made of at least one polyisocyanate and at least one polyol, wherein the solid nitrogen compound is selected from a polyamine, a hydrazide or mixtures thereof.
The present invention relates to a process for the production of backfilling pastes for underground operations, said process comprising or essentially consisting of the mixing of a) cement, b) tailings from underground operations, c) optionally extra water, d) at least one polycarboxylate ether, and e) calcium hydroxide. The present invention also relates to a method for controlling the flow of a backfilling paste for underground operations, said method comprising at least one step of admixing an admixture comprising at least one polycarboxylate ether and calcium hydroxide to a mixture of cement, tailings, and water.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
The invention is directed to a method for waterproofing a substrate (1) comprising steps of: i) Attaching a separation sheet (2) to the surface of the substrate (1) and ii) Attaching a waterproofing membrane sheet (3) to a surface of the separation sheet (2) by means of a plurality of adhesive elements (4) having a first and second major adhesive surface, wherein the separation sheet (2) is a non-woven fabric sheet, or an embossed polyolefin membrane sheet and each adhesive element (4) comprises an adhesive layer (5) composed of a pressure sensitive adhesive.
B32B 7/14 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
The invention relates to a method for the refurbishment of porous construction materials said method comprising the steps of - mixing water and a composition C, said composition C comprising, a) 100 mass parts of Portland Cement, b) 1 ? 18 mass parts, preferably 1 ? 10 mass parts, more preferably 1 ? 7.5 mass parts, still more preferably 1 ? 6 mass parts, especially 1 - 5 mass parts of calcined clay, c) optionally 10 - 250 mass parts of aggregates, - applying the mixture thus obtained to a porous construction material, and - optionally hardening the applied mixture. The invention also relates to a composition comprising Portland cement, calcined clay, and optionally aggregate to be used in a method for the refurbishment of porous construction materials.
The present invention relates to cementitious compositions comprising a) 4 ? 80 wt.-%, preferably 26 ? 75 wt.-%, especially 30 ? 66 wt.-% of a cementitious binder, especially of Ordinary Portland Cement, b) 5 ? 95 wt.-%, preferably 20 ? 73 wt.-% more preferably 33 ? 66 wt.-%, of aluminum oxide, and c) 1 ? 15 wt.-% preferably 2 ? 10 wt.-%, more preferably 3 ? 6 wt.-% of fibers. Such cementitious compositions have a very high strength. The present invention also relates to uses of such cementitious compositions for example for concrete repair or as grouting materials.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
The invention relates to the use of a combination of carbon nanotubes and at least one amine of formula (I) for producing an electrically conductive epoxy resin coating, and to an electrostatically dissipative floor system, which contains the electrically conductive epoxy resin coating. The invention provides readily-workable, robust, electrostatically dissipative epoxy resin floor systems having a largely constant electrical resistance, which have a highly aesthetic, well-ventilated, even surface.
The present invention relates to a polyurethane composition comprising a first component A and a second component B. The first component A comprises a polyol mixture P containing - at least one polyol P1 having an average molar mass of 800 to 30,000 g/mol, the polyol P1 being a polyhydroxy-functional fat and/or a polyhydroxy-functional oil, or a polyol obtained by chemical modification of natural fats and/or natural oils; and - preferably at least one polyol P2 selected from the group consisting of polyester polyols and polyether polyols. The second component B comprises at least one aliphatic polyisocyanate I, and the polyurethane composition additionally comprises at least one filler F. The polyurethane composition also comprises a tin catalyst K for the reaction of hydroxyl groups and isocyanate groups, which tin catalyst can form thio complexes, and at least one compound T which comprises at least one thiol group, wherein the molar ratio of all thiol groups of the at least one compound T to all metal atoms of the at least one tin catalyst K (T/K) lies between 2.2:1 and 40:1, and the molar ratio of all NCO groups of the polyurethane composition to all metal atoms of the at least one tin catalyst K (NCO/K) lies between 50 and 1500. The polyurethane composition is suitable for the formation of floor coatings and has, independently of the curing conditions, both a long pot life and a short curing time, which both can be adjusted if required.
The present invention relates to a free-flowing powder composition comprising at least one substrate, said substrate having pores and an external surface between said pores, wherein said external surface is functionalized with at least one accelerator for a hydraulic setting composition, said accelerator being liquid, or hygroscopic or deliquescent, and wherein after 15 minutes of immersion of said free-flowing powder composition in water at 20°C at least 80% in weight of said accelerator is solubilized, provided that said free-flowing powder composition is immersed in an amount of water sufficient so that the saturation concentration of said accelerator cannot be reached. The invention also relates to a method for preparing said free-flowing powder composition. The invention is further directed to the use of said free-flowing powder composition as an additive for mortar or concrete composition so as to provide an accelerating effect, an anti-ageing effect and an anti-dusting effect. The invention additionally concerns a dry mortar or concrete composition comprising a hydraulic binder, said free-flowing powder composition and a granulate, wet mortar or concrete composition and hardened body obtained therefrom.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
30.
A THERMOPLASTIC COMPOSITION HAVING IMPROVED MECHANICAL PROPERTIES
The invention is directed to a thermoplastic composition comprising a thermoplastic polymer component and at least one elastomer, wherein the thermoplastic polymer component comprises at least one propylene copolymer having a propylene content of at least 60 wt.-% and at least one ethylene copolymer having an ethylene content of at least 50 wt.-%. The invention is also directed to a sealing device comprising a waterproofing layer obtained by using the thermoplastic composition, to a method for producing a sealing device, to a method for waterproofing a substrate, and to a method for bonding a first substrate to a second substrate.
Described is a polyurea composition comprising a first component A with at least one isocyanate-functional polyurethane polymer P1 and a second component B comprising a blocked amine BA and preferably a polyamine PA having a molecular weight in the range from 60 to 500 g/mol. The polyurea composition further comprises a silane S1 selected from the list consisting of isocyanatosilanes S1-1 and epoxy silanes S1-2 as well as an aminosilane S2 and an aggregate AG of an at 23°C solid thermoset. The polyurea composition is notable for high surface roughness and for reliable and long-term bonding of the aggregates to the coating with no need for sealing. Further, the polyurea composition has enough adhesion to the substrate that the application of a primer layer on the substrate prior to application is not necessary.
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The present invention belongs to the field of hydraulically setting compositions comprising steel making slag. Specifically, the present invention provides a method for controlling the volume expansion of a hydraulically setting composition comprising steel making slag, said method including a step of adding a silica source to said composition. Furthermore, the present invention also provides hydraulically setting compositions obtained by such methods and their uses.
The aim of the invention is to provide a hydraulic binder based on ground granulated blast-furnace slag, devoid of Portland cement, which enables improved setting and hardening. For this purpose, the invention concerns a hydraulic binder comprising (in % by weight on a dry basis): A. at least 50 of at least one ground granulated blast-furnace slag; B. more than 5 of at least one calcium aluminate cement and/or of at least one calcium sulfoaluminate cement; C. more than 5 of at least one source of sulfate ions; D. between 1 and 5 of Ca(OH)2 and/or of Portland cement; E. between 0.01 and 1 of at least one alkali metal carbonate, preferably Li2CO3; F. and at least one alkalifying reagent consisting of at least one alkali metal carbonate and/or bicarbonate, different from E, (NaHCO3; Na2CO3; K2CO3 and mixtures thereof); with the conditions whereby: (i) the amount of C is sufficient that the sulfate ions of C can react with B and with A; (ii) the amount of F is sufficient that reaction thereof with component D in the presence of water brings the pH of the wet formulation obtained to a value of not less than 12, for a water-to-mortar mixing rate of between 10 and 35 % by weight.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 28/16 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite
34.
PROCESS AUXILIARIES AND USE THEREOF IN A METHOD FOR OBTAINING AGGREGATES AND/OR POWDER-TYPE MINERAL MATERIAL
The invention relates to the use of process auxiliaries, selected from the group consisting of polycarboxylate ethers and/or esetrs (PCE), glycols, organic amines, in particular alkanolamines, ammonium salts from organic amines with carboxylic acids, surfactants, in particular non-ionic surfactants, gemini surfactants, calcium stearate, alkoxylated phosphonic acid or phosphoric acid esters, 1,3-Propanediol, carboxylic acids, sulphonated amino alcohols, boric acid, salts of the boric acid, borax, salts of the phosphoric acid, gluconate, iron sulphate, tin sulphate, antimony salts, alkali salts, earth alkali salts, lignosulphonates, glycerine, melamine, melamine sulphonates, water-absorbing means in the form of a super-absorber polymer or in the form of a sheet silicate, anti-caking agents, sugars, saccharic acids, sugar alcohols, phosphates, phosphonates, and mixtures thereof, in a method for obtaining aggregates and/or a powder-type mineral material from a starting material, containing a hardened mineral binder and aggregates.
The invention relates to a two-component silicone composition, consisting of a component A that comprises at least one hydroxyl-group terminated polydiorganosiloxane P; between 0.05 and 5.0 wt.% water, relative to component A; and a component B that comprises at least one non-condensable polydiorganosiloxane as a plasticizer; at least one catalyst K for cross-linking polydiorganosiloxanes; between 0 and 50 wt.% of at least one first organosilane V1 according to formula (I), between 2 and 60 wt.% of at least one second organosilane V2 according to formula (II), up to 25 wt.% of further organosilanes V3 having hydrolyzable alkoxysilane groups Si-ORa which do not fall under the formulae (I) and (II), with Ra being a hydrogen atom or a monovalent, linear or branched alkyl group with 1 to 6 carbon atoms, Rb being a divalent, linear or branched alkyl group or alkenyl group with 2 to 20 carbon atoms, and Rc being a divalent, linear or branched alkyl group with 2 to 20 carbon atoms that contains at least one secondary amino group; with the proviso that the composition contains less than 10 mole-%, relative to the amount of organosilane V2, of organosilanes with epoxy groups. The composition according to the invention allows the pot life of the composition to be adjusted in a simple way, which allows a flexible, automated use.
The present invention relates to a 2K coating system consisting of two components (A) and (B) being separate from each other, wherein (A) comprises at least one constituent (a1) containing at least one aromatic moiety and bearing on average at least two primary and/or secondary amino groups, wherein (B) comprises at least one constituent (b1) containing at least one aromatic moiety and bearing on average at least two isocyanate groups, wherein each of (A) and (B) has a solid content of at least 95 wt.-%, based on the total weight of the respective component, the amount of any fillers present in component (A) does not exceed 45 wt.-%, based on the total weight of component (A), and constituent (b1) present in component (B) bears carbodiimide and/or uretonimine units as well as at least one structural unit (I), a coating composition obtainable by mixing components (A) and (B) of the inventive coating system, a use of said coating composition as sealant, in particular for providing a waterproof coating on a substrate, a method of applying the coating composition to a substrate and in particular a method of sealing a surface of a substrate such as concrete and/or steel, and a coated substrate such as a sealed concrete and/or steel substrate obtainable by this method.
The invention is directed to a sealing device comprising a functional layer (2) having a first major surface and a second major surface and a barrier layer (3) directly or indirectly connected to the second major surface of the functional layer (2), wherein the functional layer (2) has a surface roughness characterized by a waviness factor Wf. The invention is also directed to a method for producing a sealing device and to use of a sealing device for waterproofing of a substrate.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/20 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material foamed in situ
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
B32B 25/10 - Layered products essentially comprising natural or synthetic rubber next to a fibrous or filamentary layer
B32B 25/16 - Layered products essentially comprising natural or synthetic rubber comprising polydienes or poly-halodienes
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
The invention is directed to a sealing device (1) comprising a first polymeric layer (2), a second polymeric layer (3), and a third polymeric layer (4), the second polymeric layer (3) located between the first and third polymeric layers (2, 4) and comprising at least one polymer and at least one powdered superabsorber polymer. The invention is also related to a method for producing a sealing device and to a method for covering a substrate using the sealing devices of the present invention.
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
The present invention relates to the use of a soluble magnesium compound for adjusting, in particular reducing, the viscosity of an aluminum sulfate suspension.
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
Subject of the invention is a method to reinforce a built structure, wherein an impregnation resin comprising a resin component comprising at least one epoxy resin and a hardener component comprising at least one amine of the formula (I) is used to impregnate a woven or stitched fabric, which is wrapped around and/or adhered onto the built structure. The inventive method preferably serves to improve the earthquake safety of buildings, as replacement for a missing reinforcement inside the concrete, for the improvement of the strength and ductility or for the increase of the payload of a buit structure. It enables the application of an emission-free impregnation resin with low odour, which has a long open time and good penetration into the fabric, shows a fast and reliable curing without tendency to blushing, and forms a dry, non-sticky surface. The cured impregnation resin has a high strength, a high glass transition temperature and good adhesion properties, enabling a good durability and long-term stability of the reinforced structure.
The present invention relates to a two-component epoxy resin composition, consisting of: - a resin component comprising: - at least one epoxy resin that contains on average more than one epoxy group per molecule; - up to 25 wt.-% of at least one epoxy-functional reactive diluent having one or two epoxy groups per molecule; and - a hardener component comprising: - between 40 and 80 wt.-% of at least one amino-functional hardener of formula (I), wherein n is an integer with a value of 2 or 3, R1 is a linear, cyclic or branched alkyl residue that optionally contains ether oxygen atoms and R2 is a methyl or ethyl group; - between 10 and 30 wt.-% of at least one Lewis base having at least one tertiary amino group, amidine group, or guanidine group; and - between 10 and 30 wt.-% of at least one carboxylic acid. The two-component epoxy resin composition is especially suitable for use in a cured-in-place pipe (CIPP) rehabilitation process. A further aspect of the present invention are a process for relining a pipe using above two-component epoxy resin composition and involving a CIPP process.
C08G 59/56 - Amines together with other curing agents
B05D 7/22 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
F16L 55/162 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
42.
POLYURETHANE COMPOSITION FOR THE MANUFACTURE OF FLOORS, ESPECIALLY FOR MARINE APPLICATIONS
The present invention relates to a polyurethane composition comprising a polyol component (A) comprising at least one polyol, a hardener component (B) comprising at least one polyisocyanate and glass microspheres along with the other optional additives and fillers. Further, the present invention also relates to method for applying polyurethane composition of the invention to create floors. The polyurethane composition of the invention is suitable as a flooring material.
The invention is directed to a thermoplastic composition comprising at least one butene-1 (co)polymer, at least one heterophasic propylene copolymer, and at least one propylene-based elastomer. The invention is also related to use of the thermoplastic composition according to any one of previous claims for producing a shaped article, to a shaped article comprising a substrate layer comprising the thermoplastic composition of the present invention, to a method for producing a shaped article, and to a method for covering a substrate using the shaped articles of the present invention.
C08L 23/20 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
44.
POLYURETHANE COMPOSITION FOR THE MANUFACTURE OF FLOORS, ESPECIALLY FOR MARINE APPLICATIONS
The present invention relates to a polyurethane composition comprising: a) a polyol component (A) comprising - at least one reaction product of castor oil with ketone resins having an OH number of 110 to 200 mg KOH/g A1, and - at least one aliphatic triol A2, and b) an polyisocyanate component (B) comprising - at least one polyisocyanate resin based on hexamethylene diisocyanate (HDI) B1 comprising one or more polyisocyanate prepolymers derived from the uretdione, the biuret or the isocyanurate of hexamethylene diisocyanate (HDI) blended with a member of the group consisting of the uretdione, the biuret or the isocyanurate of HDI, wherein the weight ratio of the polyol A1 to the polyol A2 ((A1)/(A2)) is in the range of 1.25 2.5. The invention provides curable flooring compositions that display good adhesion and proper mechanical performance, provide a Shore A hardness of 55-70, preferably 60-65, after curing, produce a nice appeal upon sanding the cured composition and quickly regain the original form after load has been placed on the cured material.
The present invention relates to an epoxy composition including a waterborne hardener component containing an amine functional adduct, which is a reaction product of at least one polyether amine, at least one polyalkylene amine, at least one arylaliphatic or cycloaliphatic amine, at least one polyether epoxy resin and at least one aromatic liquid epoxy resin, a resin component containing at least one liquid epoxy resin and mineral fillers, wherein the composition contains mineral fillers in the range of 85 to 95 weight-% based on the total solids of the composition. The inventive epoxy composition enables floor coatings with low emission, low shrinkage and high impact resistance, which can be applied in a layer thickness of to 3 mm or more in one step, cure to a decorative, faultless and glossy surface without the need to be overcoated and generate a low enough heat upon burning to fulfill the fire classification A2fl according to EN 13501-1. 1
C08G 59/18 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
B32B 15/092 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising epoxy resins
C07C 253/28 - Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing six-membered aromatic rings, e.g. styrene
C08G 59/56 - Amines together with other curing agents
C08G 59/60 - Amines together with other curing agents with amides
C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
C09D 163/00 - Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
The present invention describes an admixture for cement based compositions, the admixture comprising a) an aqueous solution of polycarboxylate ether and b) at least one functionalized nanomaterial selected from carbon nanotubes functionalized by carboxyl groups and carbon nanofibers functionalized by carboxyl groups, wherein the at least one functionalized nanomaterial is dispersed in the aqueous solution. Low dosages of the admixture in cement based compositions result in significant enhancement of compressive strength.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
A two-component water-based coating composition that exhibits good adherence to the surface of substrates such as polyurethane foam boards. The two-component water-based coating composition is based on acrylic urethane chemistry. Coated substrates, including polyurethane foam boards coated with the two-component water-based acrylic urethane coating composition, wall cladding systems, and building walls incorporating the coated polyurethane foam boards are also disclosed. The coated polyurethane foam boards are water resistant, mold resistant, mildew resistant, UV radiation resistant, lightweight and thermally insulative.
The invention concerns a process for preparing an aldol ester of the formula (I), characterized in that at least one carboxylic anhydride of the formula (II) is reacted with at least one aldol of the formula (III) with heating in the presence of a basic catalyst with a pKa of the conjugate acid of at least 8, and the reaction product obtained from the process. The process of the invention provides a light-coloured and low-odour reaction product which has a high content of aldol ester content of the formula (I) and can be used, without elaborate purification steps, particularly without overhead distillation of the aldol ester, as a blocking agent for primary amines. The resultant blocked amines have a long storage life together with polymers containing isocyanate groups, and cure rapidly and reliably on contact with moisture to form mechanically high-grade and robust elastomers.
C07C 47/19 - Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing hydroxy groups
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 69/14 - Acetic acid esters of monohydroxylic compounds
C07C 251/06 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of a saturated carbon skeleton
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
The present invention relates to a two-component composition suitable for providing a coating preparation from which a cured layer can be obtained in order to protect the surface of materials against the detrimental impact of weathering and/or corrosion. The two-component composition comprises a first component C1 comprising (a) a polyolefin having a polymer backbone consisting of (a-i) repeating units derived from an olefinically unsaturated monomer having 4 carbon atoms and, optionally, (a-ii) a hydrocarbon group L having 5-20 carbon atoms in a non-terminal position of said polymer backbone, wherein said polymer backbone has functional groups selected from hydroxyl groups and amine groups at its chain ends; and (C2) a second component comprising a preparation comprising (b1) a polyisocyanate having 2 or more isocyanate groups and/or (b2) a reaction product having isocyanate groups obtained by reacting said polyisocyanate having 2 or more isocyanate groups (b1) and (b2a) a polyolefin having a polymer backbone consisting of (b2a-i) repeating units derived from an olefinically unsaturated monomer having 4 carbon atoms and, optionally, (b2a-ii) a hydrocarbon group having 5-20 carbon atoms in a non-terminal position of said polymer backbone, wherein said polymer chain has functional groups selected from hydroxyl groups and amine groups at its chain ends.
The present invention relates to mineral binder compositions with accelerated setting and/or curing comprising a mineral binder B, at least one free-radical initiator I, and at least one catalyst C for the at least one free-radical initiator I. The mineral binder compositions of the present invention show accelerated setting and hardening and are especially useful for applications at low temperatures and even below 0°C.
The invention is directed to a method for adhesively bonding two substrates by means of a moisture-curable adhesive composition, characterized in that at least one of the substrates comprises at least 40 wt.-% of a mixture, said mixture consisting of: - between 15 and 99 wt.-% of at least one thermoplastic polymer, - between 1 and 85 wt.-% of at least one elastomer, and wherein the moisture-curable adhesive composition comprises: - at least one polymer containing silane groups, - between 10 and 40 wt.-% of at least one polymeric plasticizer, - between 0.1 and 5 wt.-% of at least one amino-functional alkoxysilane, - between 0 and 5 wt.-% of at least one C1 C12-alkyl-functional alkoxysilane. The method yields adhesively bonded substrates without the requirements of using migrating plasticizers and pre-treating of the substrates.
C08J 5/12 - Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 11/04 - Layered products essentially comprising bituminous or tarry substances comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 13/12 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
B32B 21/08 - Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, next to another layer of a specific substance of fibre-reinforced resin
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
The present invention relates to a multi-component composition comprising a first component (A) comprising water, and a second component (B) comprising at least one hydraulic binder, wherein the multi-component composition comprises a copolymer CP, wherein the copolymer is a vinyl versatate copolymer CPA, and/or a copolymer based on styrene and (meth) acrylic acid esters CPB. The amount of hydraulic binder, based on the total weight of the multi-component composition, is from 25 65 weight-%. The multi-component composition is especially suitable as a flooring material for industrial floors and car parks.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
53.
MULTI-COMPONENT COMPOSITION FOR MANUFACTURING POLYURETHANE/UREA CEMENTITIOUS HYBRID SYSTEMS
The invention relates to a multi-component composition for the manufacture of polyurethane/urea cementitious hybrid system, comprising at least one isocyanate component selected from the group consisting of monoisocyanate, polyisocyanate and NCO terminated prepolymer, at least one polyol, water, catalyst, at least one acidic additive, and hydraulic binder, wherein the acidic additive is at least one selected from the group consisting of Lewis acids, acid precursors and acidic buffers and is in an amount of 0.01 to 3 wt%, based on the total weight of the composition, to the preparation thereof, and to the use of the composition for the preparation of a flooring, waterproofing, screed, grouting, primer, wall paint, roofing or coating in construction applications.
C04B 24/28 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 28/10 - Lime cements or magnesium oxide cements
54.
CEMENTITIOUS COMPOSITIONS WITH ACCELERATED CURING AT LOW TEMPERATURES
The invention relates to cementitious compositions with accelerated curing at low temperatures particularly at temperatures <5°C, especially at temperatures <0°C. The cementitious composition consists of 2 components with a first component A comprising at least one ordinary Portland cement (OPC), at least one cement selected from calcium aluminate cement (CAC) and/or calcium sulfoaluminate cement (CSA), a powder P, selected from the group consisting of carbonates or hydrogen carbonates of alkali and/or alkaline earth metals, optionally aggregates, optionally other additives and a second component B comprising at least one accelerator, an anti-freeze agent, water, and optionally other additives. Composition of the present invention show increased development of compressive strength, maintain good workability, and have particularly low shrinkage, also when cured at temperatures <5°C, especially <0°C, and as low as -10°C.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 40/06 - Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers
The present invention describes a multi-component composition containing a) a polyol component comprising a1) acrylate polyol and a2) at least one of polyester polyol and polyether polyol, wherein the equivalent ratio of hydroxyl groups of acrylate polyol to hydroxyl groups of the at least one of polyester polyol and polyether polyol is in the range of 0.4 to 3.8, and b) an isocyanate component containing b1 ) aliphatic polyisocyanate monomer, dimer and/or trimer, and b2) aliphatic polyisocyanate prepolymer, wherein the equivalent ratio of isocyanate groups of aliphatic polyisocyanate monomer, dimer and/or trimer to isocyanate groups of aliphatic polyisocyanate prepolymer is in the range of 0.5 to 2.6. The multi-component composition is suitable for use as a top coat on elastic membranes, in particular roofing membranes, to provide sufficient weathering resistance/protection.
The invention is directed to a sealing device (1) comprising a waterproofing layer (2) comprising at least one thermoplastic elastomer P1 and an outer layer of non-woven fabric (3) directly adhered to at least portion of the second major surface of the waterproofing layer (2), wherein the outer layer of non-woven fabric (3) comprises at least one polymer P2. The invention is also directed to a method for producing a sealing device, to the use of a layer of non-woven fabric comprising or essentially consisting of polypropylene fibers for reducing blocking of a waterproofing layer comprising at least one propylene-based thermoplastic elastomer, and to a method for covering a roof substrate using the sealing devices of the present invention.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 25/10 - Layered products essentially comprising natural or synthetic rubber next to a fibrous or filamentary layer
B32B 25/18 - Layered products essentially comprising natural or synthetic rubber comprising butyl or halobutyl rubber
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
The present invention relates to an improved mineral binder composition comprising: - a mineral binder comprising at least 30 weight-% slag, based on the weight of the mineral binder, - an activator for the hydration of the slag consisting of or comprising calcium hydroxide and - a co-activator consisting of or comprising at least one salt selected from the group consisting of lithium carbonate, lithium sulfate and sodium carbonate. The improved mineral binder composition shows reduced setting time and increased early strength.
A comb polymer, in particular for use as a clay-inerting agent, comprises: a) at least one poly(alkylene oxide) side chain-bearing monomer unit M1 without ionic groups, b) optionally at least one cationic monomer unit MC, c) optionally at least one anionic monomer unit MA, c) optionally, at least one non-ionic monomer unit M3, wherein the molar ratio of the cationic monomer units MC to the side chain-bearing monomer units M1 is equal to or less than 10, the molar ratio of the anionic monomer units MA to the side chain-bearing monomer units M1 is less than 1, preferably equal to or less than 0.5, and the molar ratio of the non-ionic monomer units M3 to the side chain-bearing monomer units M1 is less than 5.
C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
60.
SLIP-RESISTANT COATING, METHOD OF COATING A SUBSTRATE AND A COATED SUBSTRATE
A coating composition for application to a substrate includes a polymer matrix and a mineral aggregate substantially free of crystalline silica. The mineral aggregate is utilized as a partial or complete replacement for aggregate containing free respirable crystalline silica traditionally included in anti-slip or anti-skid coating compositions. Methods of making the coating and coating a substrate with the coating composition to provide a slip- or skid-resistant coating on a surface of a substrate are also disclosed.
A polymeric coating composition for application to a substrate includes a polymer matrix and an organic polymeric aggregate. The polymeric aggregate is utilized as a partial or complete replacement for aggregate containing free respirable crystalline silica traditionally included in anti-slip or anti-skid coating compositions. Methods of making the coating and coating a substrate with the coating composition to provide a slip- or skid-resistant coating on a surface of a substrate are also disclosed.
The present invention discloses additives for mineral binder composition, in particular accelerators for mineral binder compositions, in particular cementitious binder compositions. The accelerator comprises 35 to 99.7 w% of at least one mineral filler F with a particle size D50 < 5 µm, preferably < 4 µm, most preferred < 3.5 µm, 0.3 to 65 w% of a sodium aluminate SA, and 0 to 4 w% of at least one other inorganic compound I selected from the group consisting of calcium aluminate cements and/or sulfates of alkali or alkaline earth metals. The present invention also discloses corresponding mineral binder compositions as well as uses and processes, including the acceleration of setting and curing of mineral binder compositions at low temperatures. It discloses furthermore processing steps for the production of accelerators of the present invention.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
63.
INORGANIC BINDER SYSTEM COMPRISING BLAST FURNACE SLAG AND SOLID ALKALI METAL SILICATE
The present invention relates to an inorganic binder system comprising blast furnace slag, and at least one solid alkali metal silicate, wherein the inorganic binder system is obtainable by co-grinding a mixture comprising the blast furnace slag and the at least one solid alkali metal silicate.
The invention is directed to a sealing device (1) comprising a waterproofing membrane (2), a sealant layer (3) covering at least a portion of the second primary exterior surface of the waterproofing membrane (2) and an adhesive layer (4) covering a portion of the outer major surface of the sealant layer (3) facing away from the second primary exterior surface of the waterproofing membrane (2), wherein the sealant layer (3) is composed of an adhesive sealant composition comprising at least one elastomer, at least one at 25°C liquid polyolefin resin, and at least one inert mineral filler. The invention is also directed to a method for producing a sealing device, to a method for waterproofing a substrate, and to a waterproofed substrate.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
E04D 5/10 - Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
65.
A SELF-ADHERING SEALING DEVICE WITH AN ADHESIVE LAYER ARRANGEMENT
The invention is directed to a sealing device (1) comprising a waterproofing membrane (2), a sealant layer (3) covering a portion of the second primary exterior surface of the waterproofing membrane (2), and an adhesive layer (4) covering a portion of the second primary exterior surface of the waterproofing membrane (2), wherein the sealant layer (3) is composed of an adhesive sealant composition comprising 1 40 wt.-% of at least one elastomer, 10 60 wt.-% of at least one at 25 °C liquid polyolefin resin, and 5 65 wt.-% of at least one inert mineral filler. The invention is also directed to a method for producing a sealing device, to a method for waterproofing a substrate, and to a waterproofed substrate.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
E04D 5/10 - Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
66.
ADHESIVE JOINING AND REINFORCEMENT OF GLASS PACKETS IN SASH PROFILES
The invention relates to a wing profile having a glass package (2) comprising several glass plates, wherein the wing profile has a reinforcement element (3) made of plastic, which substantially is mounted on the wing profile below the entire support surface of the glass package (2). Between the reinforcement element (3) and the glass package (2), a cohesive connection is provided by means of a plurality of adhesive elements (4).
The invention relates to a moisture-curing polyurethane composition having a content of monomeric diisocyanates of at most 0.1 wt%, containing: at least one isocyanate-group-containing polyurethane polymer having a content of monomeric diisocyanates of at most 0.5 wt%, obtained from the reaction of at least one monomeric diisocyanate with at least one polyether polyol at a NCO/OH ratio of at least 3/1 and the subsequent removal of a large part of the monomeric diisocyanates by means of a suitable separating method; and at least one polyether having blocked hydroxyl groups and free of isocyanate groups, as a plasticizer. The moisture-curing polyurethane composition is highly storage-stable when moisture is excluded, can be safely handled without special safety precautions, can be sold without a hazard label, can be well processed, has a long open time and has surprisingly fast curing to form an elastic material of high strength and extensibility, high cold flexibility, good adhesion properties and high stability with respect to heat and moisture. The moisture-curing polyurethane composition is especially suitable for use as an elastic adhesive or sealant or elastic coating.
The present invention relates to a method for strengthening a metal structure, comprising the steps of i) mixing a two-component epoxy resin composition; ii) applying the composition to the surface of the metal structure, or onto a strengthening element, or both; iii) contacting the applied epoxy resin composition with the surface of the strengthening element and/or the surface of the metal structure such that the composition forms an interlayer between the metal structure and the strengthening element, iv) optionally pre-stressing the strengthening element, v) optionally pre-fixing the strengthening element onto the metal structure by mechanical fixation or spot welding so that the strengthening element is held in place before the composition is cured, and vi) curing the epoxy resin composition at a temperature of or below 100°C; characterized in that the two-component epoxy resin composition contains - a first component comprising between 10 and 50 wt.-% of at least one epoxy resin that contains on average more than one epoxy group per molecule; - a second component comprising between 5 and 30 wt.-% of a hardener for epoxy resins; - between 3 and 25 wt.-% of at least one impact strength modifier in either one or both of components; - between 15 and 80 wt.-% of at least one filler in either one or both of components; and wherein the two-component epoxy resin composition exhibits after curing an Elastic Modulus of at least 2500 MPa, measured according to DIN EN ISO 527, and an and Impact Peel Strength of at least 15 N/mm, measured according to ISO 11343. The method according to the present invention is particularly suitable for refurbishment of metal structure, such as bridges, and leads to significant mechanical improvement of those structures.
The invention is directed to a sealing device (1) comprising a waterproofing membrane (2), an adhesive sealant layer (3), and optionally a release liner (4), wherein the adhesive sealant layer (3) comprises at least one elastomer, at least one at 25 °C liquid polyolefin resin, and at least one inert mineral filler. The invention is also directed to a method for producing a sealing device, to a method for waterproofing a substrate, to a fully-adhered roof system, and to use of an adhesive sealant composition for providing a self-healing roofing membrane.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
Provided is a bucket (10) including a bucket body with an improved handle attachment. The bucket body includes a reinforcing collar (20) extending about the perimeter of the bucket body. A ring (30) is engaged to the bucket body by locating the ring within a channel (22) defined on the exterior surface of the bucket body. The ring extends about the perimeter of the bucket body and engages a pivotable arcuate handle (32). The engagement of the ring (30) in an annular channel (22) and the handle (32) to the ring (30) results in the even distribution of a lifting force across the ring (30) and reinforcing collar (20).
Disclosed are curable epoxy resin compositions containing at least one epoxy resin having on average more than one epoxide group per molecule, at least one inorganic filler, at least one hydraulic binder, and at least one polycarboxylate ether, wherein said inorganic filler comprises silica with an amount of between 45 and 65 wt. -%, based on the total curable epoxy resin composition, and the amount of said polycarboxylate ether is between 0.01 and 0.03 wt. -%, based on the total curable epoxy resin composition. Also disclosed are multi-component systems for producing said epoxy resin compositions, cured epoxy resins, and methods for repairing or reinforcing a pile or column.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
The present invention relates to a two-component coating composition comprising one first saturated polyhydroxy component, optionally one second saturated polyhydroxy component, wherein the second polyhydroxy compound is different from the first polyhydroxy compound, at least one metal component, water and at least one polyisocyanate. The resulting composition offers excellent scratch resistance, better mechanical properties and good applicability.
The invention relates to an epoxy resin composition comprising at least one epoxy liquid resin, bis(aminomethyl)cyclohexane and a wax. The claimed composition can be processed in an excellent manner, cures very rapidly and virtually no yellowing occurs, has a hard, glossy surface of high quality, even during curing under moist conditions such as, for example, 8°C and 80% relative humidity. The claimed composition is particularly suitable for use as a floor coating, in particular as a top coat or sealing, where low emission together with high demands on the workability, impact strength and the aesthetics exist.
The invention is directed to a sealing device comprising a waterproofing layer (2), a functional layer (3), and an adhesive layer (4) coated on and at least partially covering the first major surface of the waterproofing layer (2) opposite the side of the functional layer (3). The invention is also directed to a method for producing a sealing device, to a method for waterproofing a substrate, and to use of the sealing device for sealing lapped joints formed between overlapping portions of waterproofing membranes and for patching of breaches in waterproofing membranes.
The invention relates to a binder composition which comprises cement, optionally calcium sulphate, at least one zinc salt and at least one alkyl amine, and a dry mortar mixture which contains said binder composition. The invention also relates to the use of a composition consisting of a zinc salt and an alkyl amine in order to achieve higher early strengths in a binder composition.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
An expansion joint system for bridging a gap between spaced apart structural members and for accommodating transverse movement. The expansion joint system includes a plurality of finger plates carrying a plurality of elongated fingers that are configured to at least partially extend across an expansion joint gap from opposing structural members. The finger plates are pivotably mounted to the underlying structural members to permit pivoting or rotating movement in the transverse direction. A torsion spring is engaged with the pivotable finger plates and provides a restoring force to the finger plate when the finger plate rotates relative to the spring. Also disclosed is an expansion joint including spaced-apart structural members and the expansion joint system installed in the joint. The elongated fingers of the finger plates of the expansion joint system extend at least partially across the expansion joint gap from a first structural member and are interdigitated with elongated fingers extending from a opposing second structural member to provide a surface to traverse the expansion joint gap.
An expansion joint sealing system for bridging and sealing a gap located between two spaced-apart structural deck members. The expansion joint sealing system includes an elastomeric seal member and a substantially rigid plate member. The elastomeric seal member is fixedly attached to an underlying structural deck member and is able to expand and contract in the longitudinal direction in relation to the traffic direction across the expansion joint. The rigid plate is not fastened to the elastomeric seal member with mechanical fasteners or other fastening means, but is slidingly engaged with the elastomeric seal member through an elongated guide member. As the rigid plate member is not fastened to the elastomeric seal member, it is able to move along a guide member in a direction that is transverse to the direction of traffic across the expansion joint.
The present invention relates to a compostion comprising: - at least one waterbased polyurethane dispersion containing ethylene oxide units, - at least one cement, and - at least one mineral filler. The composition can be mixed and applied without coagulation of the polyurethane dispersion. Upon curing, it has a high strength and good adhesion properties, with surprisingly low shrinkage and most surprisingly good water impermeability properties. It is particularly suitable for the use as repair mortar, waterproofing mortar or screed mortar.
C04B 24/28 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
The invention relates to a system (1) for applying a building material, comprising: a movement device (2) for modifying a site of application in a space; a first component (3) of the building material; a second component (4) of the building material; a mixer (5) for mixing the first component (3) and the second component (4), the mixer (5) comprising a drive module (10) with a first coupling element (14) and a mixing chamber module (11) with a second coupling element (15), the drive module (10) and the mixing chamber module (11) being detachably embodied, and the drive module (10) and the mixing chamber module (11) being actively interconnected in an application state of the system by means of the coupling elements (14, 15).
The present invention relates to a method for the 3D-printing of hydrous mineral binder compositions, in which method an aqueous accelerator is mixed with the binder composition in a continuous mixer. The method according to the invention is very robust and makes it possible to quickly print even large moulded bodies having a uniform aesthetic surface and very good strength development properties.
The invention is directed to a composition comprising a melt blend of at least one thermoplastic elastomer (TPE) and at least one non- crosslinked elastomer and optionally at least one catalyst for catalyzing chain extension and/or crosslinking and/or coupling reactions of the at least one non-crosslinked elastomer. The invention is also directed to a method for producing a polymer composition, to a shaped article comprising a substrate layer composed of the composition, to a method producing a shaped article, and to a method for covering a roof using the shaped articles of the present invention.
A fastening system for fastening a rail for rolling stocks such as trains, comprising a base plate (13), an elastic material (14) and a rigid casing (15), wherein the base plate (13) is embedded in the elastic material (14) and the elastic material (14) is arranged, at least partially, between the base plate (13) and the rigid casing (15).
The present invention relates to a ready-to-use multi-component mortar system in a mixing bag comprising - a component A which is solid and comprises cement and/or aluminium silicate, and - a component B which is an aqueous solution, emulsion or suspension, wherein the mixing bag is a flexible bag comprising at least two separate sealed chambers which are isolated from each other by a removable or frangible seal and the components A and B of the multi-component mortar system are separately situated in the separate sealed chambers of the mixing bag without any contact to each other. The multi-component mortar system is safe, easy to use and particularly suitable for repair and refurbishment.
C04B 28/16 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing anhydrite
C04B 40/06 - Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers
84.
SACK FOR LIQUID AND PULVERULENT MATERIALS HAVING A SOLUBLE AREAL SECTION
The present invention relates to: a sack for liquid or pulverulent substances, the sack comprising a surface portion (F), made of a water-soluble polymer, and being characterised in that, once the water-soluble polymer is dissolved, an opening is formed through which the sack can be emptied; a sack according to the invention which contains a liquid or pulverulent substance; a method for emptying and producing said sack; and the use of said sack for packaging liquid or pulverulent substances and the use of a surface portion (F), made of a water-soluble polymer, as part of a sack for liquid or pulverulent substances, in order to reduce the release of unpleasant odours and/or health-damaging substances into the air, in particular in order to reduce the release of alveolar dust.
The present invention relates to a process for preparing a particle-stabilized inorganic foam based on calcium sulfoaluminate, to a particle-stabilized inorganic foam based on calcium sulfoaluminate, to a cellular material obtainable by hardening and optionally drying the particle-stabilized inorganic foam based on calcium sulfoaluminate, and to a composition for preparing an inorganic foam formulation for providing a particle-stabilized inorganic foam based on calcium sulfoaluminate.
The present invention relates to a process for preparing a particle-stabilized inorganic foam based on geopolymers, to a particle-stabilized inorganic foam based on geopolymers, to a cellular material obtainable by hardening and optionally drying the particle-stabilized inorganic foam based on geopolymers, and to a composition for preparing an inorganic foam formulation for providing a particle-stabilized inorganic foam based on geopolymers.
The invention relates to a one-component moisture curing composition and to a method for sealing construction joints against penetration of water. The one- component moisture curing composition comprises at least one isocyanate- functional polyurethane polymer, at least one inorganic swelling agent selected from the group consisting of aluminum sulfate and magnesium sulfate, and at least one hydrophilic aldimine of formula (I).
A basecoat coating composition, a topcoat coating composition, a membrane system and a method of making the membrane system are described. The basecoat coating composition comprises an aromatic polyurethane pre-polymer having isocyanate terminal end groups, a first solvent and optionally a second VOC-exempt solvent, a catalyst, and at least one filler, in which the total composition formulation has a VOC content of less than 97 g/L. The topcoat coating formulation comprises an aliphatic polyurethane pre-polymer having isocyanate terminal end groups, a first solvent and optionally a second VOC-exempt solvent, a catalyst, and at least one filler, in which the total formulation has a VOC content of less than or equal to 95 g/L The membrane system comprises an optional primer coating, the basecoat and the topcoat coating formulation. The method of producing the coating membrane having a basecoat and a topcoat, comprises treating a substrate, applying a moisture curable basecoat coating formulation to the substrate, and after drying, applying a moisture curable topcoat coating formulation to the basecoat, optionally followed by broadcasting aggregate onto the topcoat
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
The present invention relates to a waterproofing system (1) comprising at least two different layers, one layer being a mounting layer (2) and one other layer being a functional layer (3), the two layers being directly or indirectly connected to each other over at least parts of their opposing surfaces, wherein the functional layer (3) comprises at least a thermoplastic polymer P1 and at least a mineral binder.
The invention relates to a method for producing a shaped body from a curable material, in particular from a mineral binder composition, wherein the curable material is applied layer by layer in an additive method, in particular in an additive free-space method, by means of a printing head that can be moved in at least one spatial direction and wherein an application rate of the curable material and the temporal development of strength of the curable material are coordinated with each other.
A two-component composition is described which comprises A) an isocyanate component comprising an isocyanate-terminated urethane prepolymer, B) a water component comprising water, and at least one latent amine hardener in component A). The two-component composition of the invention is suitable as a sealant, in particular as a joint sealant. Particular advantages are that primerless application is possible with good adhesion, even at low temperatures, such as 4.4°C or below. The substrate to be sealed are preferably concrete substrates.
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
The present invention relates to a multi-component mortar system comprising a component A and a component B wherein - component A comprises aluminous cement, at least one set inhibitor, at least one mineral filler and water, and - component B comprises an initiator system for the set-inhibited aluminous cement, at least one mineral filler and water. The multi-component mortar system is easy to use and suitable for repair and refurbishment and particularly for printing 3D structures.
The present invention relates to the use of an additive, comprising at least one water-soluble polymer, which is a homo- or copolymer of at least one monoethylenically unsaturated carboxylic acid, and optionally at least one alkali silicate as a liquefier for geopolymers. The additive can be produced in a simple and inexpensive manner and is particularly suitable for liquefying geopolymers, in particular geopolymers containing metakaolin.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
A roof system and related methods for installing the roof system. The roof system includes a roof diaphragm including a nail board and an insulating panel connected to the nail board, wherein the insulating panel is adapted to be positioned between the nail board and a roof frame so that the insulating panel engages the roof frame. In several exemplary embodiments, the nail board comprises one or both of: oriented strand board (OSB) and plywood. In several exemplary embodiments, the insulating panel comprises one or both of: a closed-cell rigid polyisocyanurate (polyiso) foam core and a polystyrene foam core. In several exemplary embodiments, the roof system further includes a plurality of nail board fasteners connecting the roof diaphragm to the roof frame, the nail board fasteners each extending through the nail board, through the insulating panel, and into the roof frame to a depth.
The invention is directed to a multiple-component composition that can be used for producing a corrosion inhibiting (meth)acrylic hydrogel. The multiple-component composition comprises at least one water soluble (meth)acrylic compound, at least one free radical initiator, at least one benzoate, and optionally at least one catalyst for free radical formation. The invention is also directed to a method for producing a hydrogel, to a hydrogel obtainable by the method, to a (meth)acrylic injection material, and to a method for sealing cracks, voids, flaws and cavities in building structures.
The present invention relates to compositions, in particular a setting accelerator for mineral binders, containing or consisting of: a) calcium oxide in the particle form; b) an inhibitor for the reaction of calcium oxide with water and c) optionally water.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
C09K 8/467 - Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
97.
COMPOSITION OF HARDENING ACCELERATOR FOR MINERAL BINDERS AND METHODS THEREOF
The present invention relates to a hardening accelerator for mineral binder compositions, in particular for cementitious binder compositions, comprising at least one phosphoric acid ester of a polyvalent alcohol and at least one alkali metal carbonate.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
98.
A SINGLE- OR MULTIPLE COMPONENT COMPOSITION FOR PRODUCING A HYDROGEL
The invention is directed to a single- or multiple-component composition, which forms upon mixing with water a (meth)acrylic hydrogel and which composition comprises at least one water soluble at room temperature liquid (meth)acrylic compound supported on a solid carrier and/or an aqueous solution of at least one at room temperature solid or liquid (meth)acrylic compound, a free-radical initiator, and optionally a catalyst for the initiator. The invention is also directed to a method for producing a hydrogel, to a hydrogel, to an acrylic injection material and to a method for sealing cracks, voids, flaws and cavities in building structures.
A sealer composition for a cementitious substrate, a cementitious structure sealed with the sealer composition, and a method of sealing a steel reinforced cementitious structure with the sealer composition. The sealer composition includes a substantially non¬ aqueous blend of a first silane, a second silane having a higher molecular weight than the first silane, and a corrosion inhibitor. The corrosion inhibitor is soluble in silane, soluble in solvent-diluted silane, and at least partially soluble in water. The cementitious structure includes a cementitious substrate and the sealer applied to the surface of the substrate and at least partially penetrating into the substrate. The method of sealing a steel reinforced cementitious structure from intrusion of corrosion-causing agents includes applying the sealer to the surface of a steel reinforced cementitious substrate and permitting the sealer composition to penetrate into the substrate to seal the substrate.
A mixer (1) has a drum (2) with at least one inlet (6) and one outlet (7). The mixer (1) further has a drive (3) and a stirring shaft (4), which is arranged in the drum (2) and coupled to the drive (3). The mixer (1) further has a conveyor device (5) which is arranged in the drum (2), on the same axis as the stirring shaft (4).
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