The invention relates to a data sheet (1) for integration in a preferably book-like security and/or valuable document, wherein the data sheet (1) is formed of at least two stacked layers (2, 3) of an organic polymeric material, wherein at least in a partial section between the layers (2, 3) and outside the layers (2, 3), a textile (5) forming a flap (4) is disposed, and wherein the textile (5) is coated and/or wet through on one or both sides at least in the region between the layers (2, 3) at least partially with an organic binding agent (6) and is bonded with the two layers (2, 3) by means of the binding agent (6).
Composition and process for low temperature curing of polyuretdione-polyol compositions in which the polyuretdione is prepared from a polyisocyanate with isocyanate groups and a polyol containing primary hydroxyl groups. The catalyst for the composition and process is an amine catalyst containing the group -N=C-N-, being aprotic, having a pKa greater than 20 and upon addition to the liquid coating composition causing a phase-change of the coating composition from liquid to solid at 250C and 1atm. within one week.
The present invention provides a process for the production of polyurethane foams from A1 compounds which contain hydrogen atoms which are reactive towards isocyanates and have a molecular weight of 400 - 15,000, A2 optionally compounds which contain hydrogen atoms which are reactive towards isocyanates and have a molecular weight of 62 - 399, A3 water and/or physical blowing agents, A4 optionally auxiliary substances and additives, such as a) catalysts which differ from component A5, b) surface-active additives, c) pigments or flameproofing agents, A5 at least one tin(II) salt of carboxylic acids, the carboxylic acid having from 10 to 16 carbon atoms, and B di- or polyisocyanates, wherein the resulting polyurethane foams have low emission values and a good resistance to ageing.
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/12 - 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 physical blowing agent
4.
LAYER STRUCTURE AND FILMS FOR ID DOCUMENTS HAVING IMPROVED PROPERTIES FOR LASER ENGRAVING
The present invention relates to a layer structure having improved properties for laser engraving, to particular embodiments of said layer structures in the form of co-extrusion films, and to security documents, preferably identification documents comprising said layer structures.
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
The present invention provides a process for producing polyurethane foams from (A1) compounds with a molecular weight of 400 - 15,000 exhibiting hydrogen atoms that are reactive towards isocyanates, (A2) optionally, compounds with a molecular weight of 62 -- 399 exhibiting hydrogen atoms that are reactive towards isocyanates, (A3) water and/or physical blowing agents, (A4) optionally, auxiliary substances and additives, (A5) compounds with at least one carbonamide group and one nitrile group, and (B) diisocyanates or polyisocyanates, which results in polyurethane foams with lowered emission of formaldehyde and wherein the activity of the raw-material mixture is not significantly influenced and wherein the mechanical properties of the resulting foam (in particular, compression set and ageing behaviour under humid conditions) are not influenced negatively.
C08G 18/65 - Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
C08G 18/72 - Polyisocyanates or polyisothiocyanates
C08J 9/12 - 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 physical blowing agent
6.
IMPACT-MODIFIED POLYCARBONATE COMPOSITIONS WITH HIGH HYDROLYSIS RESISTANCE AND A LIGHT NATURAL COLOUR
The present invention relates to polycarbonate compositions comprising A) an aromatic polycarbonate and/or an aromatic polyester carbonate, B) a graft polymer obtained by the co-precipitation of a mixture of at least two graft polymer dispersions B.1 and B.2, characterized in that the production of graft polymer component B.1 is performed using at least one redox system as an initiator and that the production of graft polymer component B.2 is performed using at least one persulfate compound as an initiator, and C) optionally vinyl(co)polymer and/or polyalkylene terephthalate, D) optionally flame retardants containing phosphorous, E) at least one phenolic antioxidant, F) optionally neutral co-stabilizers (synergists) containing phosphorous or sulfur and G) optionally additives characterized by an optimum combination of good hydrolysis resistance and a light natural colour, and to the use of the polycarbonate compositions for the production of molded bodies, and to said molded bodies.
The present invention relates to polycarbonate compositions containing A) 10 to 99 wt%, each relative to the sum of components A+B+C, of aromatic polycarbonate and/or aromatic polyester carbonate, B) 1 to 35 wt%, each relative to the sum of components A+B+C, of rubber-modified graft polymerizate of B.1, 5 to 95wt% of at least one vinyl monomer to B.2, 95 to 5 wt% of one or more graft foundations with a glass transition temperature < 100C, C) 0 to 40 wt%, each relative to the sum of components A+B+C, of vinyl (co)polymerizate and/or polyalkylene terephthalate, D) 0 to 50 wt% each relative to the sum of components A+B+C, of phosphorus-containing flame retardant, E) 0 to 1.0 wt%, each relative to the sum of components A+B+C, of acid additive and F) 0 to 50 wt%, each relative to the sum of components A+B+C, of additives, wherein component B is obtained by reaction of component B. 1 with the graft foundation B.2 by means of emulsion polymerization with the proviso that for compositions which are free of components D) and E), the graft polymerizate dispersion has a pH value of less than 7 after spray drying or after precipitation, characterized in that in the graft reaction, 0.1 to 5 wt% (relative to the sum of parts by weight of used monomers B.1 and of the graft foundation B.2 = 100 wt%) of at least one emulsifier selected from the group consisting of alkali-, earth alkali-, ammonium- or phosphonium- salts of a saturated fatty acid with 10 to 50 carbon atoms is used, wherein the emulsifier remains or the emulsifiers remain in component B, and also a method for production of these polycarbonate compositions and the use of the polycarbonate compositions for production of shaped elements and the shaped element itself.
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 18/67 - Unsaturated compounds having active hydrogen
C09D 175/14 - Polyurethanes having carbon-to-carbon unsaturated bonds
C09J 175/14 - Polyurethanes having carbon-to-carbon unsaturated bonds
The present invention relates to impact-modified polycarbonate compositions comprising: A) from 40 to 78 parts by weight of branched aromatic polycarbonate and/or branched aromatic polyester carbonate, B) from 1 to 25 parts by weight of a graft polymer containing one or more graft bases (B.2) selected from the group of the silicone rubbers (B.2.1) and silicone acrylate rubbers (B.2.2), C) from 9 to 18 parts by weight of talc, D) from 11 to 20 parts by weight of a phosphorus-containing flameproofing agent, E) from 0.01 to 3 parts by weight of anti-dripping agent, and F) from 0 to 1.5 parts by weight of one or more thermoplastic vinyl (co)polymers F.1 and/or polyalkylene terephthalates F.2, which meet high requirements in terms of fireproofing, to a process for their preparation, to their use in the production of moulded bodies, and to thermoformed moulded bodies obtainable from the above- mentioned compositions.
C08L 69/00 - Compositions of polycarbonates; Compositions of derivatives of polycarbonates
C08F 283/12 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polysiloxanes
C08K 5/34 - Heterocyclic compounds having nitrogen in the ring
C08K 5/523 - Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
10.
IMPACT-MODIFIED, HYDROLYSIS-RESISTANT POLYCARBONATE MOLDING COMPOSITIONS WITH LOW CONTENT OF LITHIUM IONS
An impact modified thermoplastic molding composition comprising aromatic polycarbonate and/or polyester carbonate and a rubber-modified graft polymer prepared by the bulk, solution or bulk-suspension polymerization process is disclosed. The composition that is characterized by its low content of lithium ions features improved hydrolytic resistance.
The present invention relates to a process for preparing an aqueous coating composition by I) preparing a polyurethane dispersion that is free from NMP and other solvents by 1) preparing in a first step an NCO prepolymer solution which has a concentration of 66% to 98% by weight in a solvent having a boiling point of below 100°C at atmospheric pressure and which is the reaction product of: a) one or more polyisocyanates with b) one or more polyols having average molecular weights M n, of 500 to 6000, c) one or more polyols having average molecular weights M n of 62 to 500, and d) one or more compounds which contain an ionic group or a potential ionic group, 2) in a second step dispersing NCO prepolymer I.1) in water and at least partly neutralizing the potential ionic groups to form ionic groups before, during or after the dispersion, 3) in a third step chain extending NCO prepolymer I.1) with e) one or more polyamines having average molecular weights M n of below 500, and 4) in a fourth step removing the solvent completely by distillation, and ubsequently II) adding 1% to 7% by weight of an ethylene or propylene glycol ether and optionally other coating additives together or separately to polyurethane dispersion I). The present invention also relates to the aqueous coating composition obtained by the process of the invention.
The present invention relates to inner coatings of metal food containers and packaging and to a process for their production. The coatings are appied to the inside of at least a portion of the surface area of containers that are in direct contact with foods or other consumable products and subsequently cured. The coatings include a) at least one polyisocyanate containing an average of at least two NCO groups per molecule, at least 95% of the NCO groups being blocked with a blocking agent, and b) at least one polyhydroxyl compound containing an average of at least two hydroxyl groups per molecule that react with NCO groups.
C09D 175/00 - Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
B05D 7/14 - 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 metal, e.g. car bodies
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
B05D 7/24 - 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 for applying particular liquids or other fluent materials
B65D 81/24 - Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
C09D 5/46 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrostatic or whirl-sintering coating
patents
