g1g2g1g2g1g2g2 are determined with Differential Scanning Calorimetry as described in the description, and wherein the substrate consists of at least 60 wt.% of polymer selected from the group consisting of polyethylene (PE), oriented polyethylene and any combination thereof, based on the total weight of the substrate.
The present invention relates to a process process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4): (1) applying an aqueous, radiation-curable coating composition on a surface of a substrate, (2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition, (3) irradiating the at least partially dried coating composition with UV light having a wavelength ≤ 220 nm under inert atmosphere, followed by (4) irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the aqueous, radiation-curable coating composition is a dispersion comprising: (A) at least one water-dispersed vinyl polymer system (A), wherein the polymer system (A) comprises one or more vinyl polymer with a glass transition temperature Tg of less than or equal to 77 °C in an amount of at least 50 wt.%, based on the amount of the polymer system (A), wherein the Tg is determined with Differential Scanning Calorimetry as described in the description, the polymer system (A) is essentially free of radiation-curable, ethylenically unsaturated bonds, and the polymer system (A) has an acid value from 5 to 105 mg KOH/gram (A), (B) at least one radiation-curable diluent (B) with a molar mass less than 750 g/mol and with an acrylate functionality of 2 or 3, and (C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt.%, based on the total amount of water and organic solvent, wherein the amount of (A) is from 30 to 75 wt.% and the amount of (B) is from 25 to 70 wt.%, based on the total amount of (A) and (B).
C09D 123/00 - Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 133/04 - Homopolymers or copolymers of esters
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
The present invention relates to a process for producing a coating from a radiation- curable coating composition, wherein the process comprises (1) Irradiating the radiation-curable coating composition with UV light having a wavelength ≤ 220 nm under inert gas, followed by (2) Irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the radiation-curable coating composition comprises (A) One or more ester functional polymers (A) with a weight average molecular weight of from 6000 to 500000 g/mol, and (B) One or more radiation-curable diluents (B) with a molar mass less than 750 g/mol and with an acrylate functionality of 2 or 3, and wherein the amount of (A) is from 5 to 60 wt.% and the amount of (B) is from 40 to 95 wt.%, based on the total amount of (A) and (B), and the total amount of (A) and (B) is at least 50 wt.% by weight of the radiation-curable coating composition.
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 5/00 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 133/04 - Homopolymers or copolymers of esters
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4): (1) applying an aqueous, radiation-curable coating composition on a surface of a substrate, (2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition, (3) irradiating the at least partially dried coating composition with UV light having a wavelength ≤ 220 nm under inert atmosphere, followed by (4) irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the aqueous, radiation-curable coating composition is a dispersion comprising: (A) at least one water-dispersed polyester (A), wherein the at least one water-dispersed polyester (A) has a glass transition temperature Tg, determined using Differential Scanning Calorimetry as described in the description, of less than or equal to 70°C, the at least one water-dispersed polyester (A) has an acid value AV, determined titrimetrically by the ISO 2114-2000, of less than or equal to 100 mg KOH/g of the polyester (A), (B) at least one radiation-curable diluent (B) with a molar mass less than 750 g/mol and with an acrylate functionality of from 2 to 5, and (C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt.%, based on the total amount of water and organic solvent, wherein the amount of (A) is from 15 to 85 wt.% and the amount of (B) is from 15 to 85 wt.%, based on the total amount of (A) and (B).
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
C09D 133/04 - Homopolymers or copolymers of esters
The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4): (1) applying an aqueous, radiation-curable coating composition on a surface of a substrate, (2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition, (3) irradiating the at least partially dried coating composition with UV light having a wavelength ≤ 220 nm under inert atmosphere, followed by (4) irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the aqueous, radiation-curable coating composition is a dispersion comprising: (A) at least one hybrid (A) of at least one polyurethane and at least one vinyl polymer, wherein the hybrid (A) is obtained by free-radical polymerization of at least one vinyl monomer in the presence of at least one water-dispersed polyurethane, the hybrid (A) is essentially free of radiation-curable, ethylenically unsaturated bonds, the polyurethane of the hybrid (A) has a urea group (-NH-CO-NH-) concentration of at least 0.1 milli-equivalents per g of polyurethane and of at most 1.9 milli-equivalents per g of polyurethane, and the polyurethane and the vinyl polymer of the hybrid (A) are present in a weight ratio of polyurethane and vinyl polymer ranging from 25:75 to 95:5, (B) at least one radiation-curable diluent (B) with a molar mass less than 750 g/mol and with an acrylate functionality of from 2 to 5, and (C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt.%, based on the total amount of water and organic solvent, wherein the amount of (A) is from 30 to 85 wt.% and the amount of (B) is from 15 to 70 wt.%, based on the total amount of (A) and (B).
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 123/00 - Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
C09D 133/04 - Homopolymers or copolymers of esters
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
6.
COMPOSITIONS FOR FIBREBOARDS WITH ENHANCED PROPERTIES UPON FAST-CURING AT LOW TEMPERATURE
The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.
The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.
The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The XL-component comprises at least two XL groups, wherein the XL group is a keto group, preferably a keto acid ester group. The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.
The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component which is a monomeric compound having an acetoacetate group, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.
The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component comprising at least two epoxy groups, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.
The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4): (1) applying an aqueous, radiation-curable coating composition on a surface of a substrate, (2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition, (3) irradiating the at least partially dried coating composition with UV light having a wavelength ≤ 220 nm under inert atmosphere, followed by (4) irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the aqueous, radiation-curable coating composition is a dispersion comprising: (A) at least one water-dispersible polyurethane (A), wherein the polyurethane (A) has a urea group (-NH-CO-NH-) concentration of at least 0.1 milli-equivalents per g of polyurethane (A) and of at most 2.6 milli-equivalents per g of polyurethane (A) and the polyurethane (A) is essentially free of radiation-curable, ethylenically unsaturated bonds, (B) at least one radiation-curable diluent (B) with a molar mass less than 750 g/mol and with an acrylate functionality of from 2 to 5, and (C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt.%, based on the total amount of water and organic solvent, wherein the amount of (A) is from 30 to 85 wt.% and the amount of (B) is from 15 to 70 wt.%, based on the total amount of (A) and (B).
The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4): (1) applying an aqueous, radiation-curable coating composition on a surface of a substrate, (2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition, (3) irradiating the at least partially dried coating composition with UV light having a wavelength ≤ 220 nm under inert atmosphere, followed by (4) irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the aqueous, radiation-curable coating composition is a dispersion comprising: (A) at least one radiation-curable, water-dispersible polyurethane (A) with an urea group (-NH-CO-NH-) concentration of at most 2.6 milli-equivalents per g of polyurethane (A), and (B) at least one radiation-curable diluent (B) with a molar mass less than 750 g/mol and with an acrylate functionality of from 2 to 6, and (C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt.%, based on the total amount of water and organic solvent, wherein the amount of (A) is from 30 to 95 wt.% and the amount of (B) is from 5 to 70 wt.%, based on the total amount of (A) and (B).
Disclosed and claimed herein are radiation curable formulations containing a monofunctional telechelic (meth)acrylate oligomer with 0-5 urethane groups and a molecular weight from 750 to 20,000 g/mol; a difunctional or trifunctional telechelic urethane (meth)acrylate oligomer with at least 4 urethane groups and a molecular weight from 750 – 100,000 g/mol; optionally, a reactive diluent; optionally, a photoinitiator; and optionally, one or more additives comprising an adhesion promoter and/or a stabilized. Also disclosed are methods of using the radiation curable formulations described herein to coat optical fibers, along with the articles produced therefrom.
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
16.
LOW-VOLATILITY RADIATION CURABLE COMPOSITIONS FOR COATING OPTICAL FIBERS
C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
The invention pertains to a method for manufacturing carpet product comprising providing a first sheet having a front surface and a back surface, providing one or more polyester yarns having a weight of at least 2500 Dtex and a twist level of at least 100 tpm, forming a pile on the front surface of first sheet by stitching the one or more yarns through the first sheet, the one or more yarns having a free end that forms the said pile and a locked end present at the back surface of the first sheet, thereby forming an intermediate product, processing the intermediate product by feeding this product along a body having a heated surface, the back surface being contacted with the said heated surface, to melt at least a part of the polyester of the locked end of the one or more yarns, and then cooling the molten part of the polyester to solidify this molten part of the polyester, thereby connecting the locked end of the one or more yarns to the first sheet and forming the carpet product. The invention also pertains to a carpet product that is obtainable with a manufacturing method according to the invention.
www) of the vinyl polymer A, where the vinyl polymer A and the vinyl polymer B are present in a weight ratio of the vinyl polymer A to the vinyl polymer B of from 5:95 to to 95:5, wherein the vinyl polymer A is obtained by heterogeneous radical polymerization of a monomer composition A in an aqueous phase, wherein the monomer composition A comprises i. ethylenically unsaturated monomers bearing crosslinkable functional groups in an amount of from 0.5 to 15 wt.% based on the total weight of the monomer composition A, and ii. at most 2.5 wt.% of dialkyl itaconate ester, based on the total weight of the monomer composition A; and wherein the vinyl polymer B is obtained by emulsion polymerizing a monomer composition B in the presence of the vinyl polymer A, wherein the monomer composition B comprises i. dimethyl itaconate ester, diethyl itaconate ester or dibutyl itaconate ester, respectively, in an amount of from 20 to 60 wt.% based on the total weight of the monomer composition B, and ii. at most 2.5 wt.% of at least one additional dialkyl itaconate ester, based on the total weight of the monomer composition B; and (B) a crosslinking agent.
The invention is in the field of additive manufacturing. According to a first aspect of the invention, there is provided an additive manufacturing process for producing a printed article, comprising the step of sintering a powder composition comprising a thermoplastic elastomer, wherein the powder composition has a melting onset temperature Tm,onset and a melting peak temperature Tm,peak, which are measured according to ISO 11357-1/3 (2009), wherein Tm,peak minus Tm,onset is 30 °C or less; and wherein a test article printed from the powder composition has a rebound resilience of 50 % or more, measured according to DIN 53512. According to a second aspect of the invention, there is provided a method of manufacturing a powder composition suitable for additive manufacturing sintering processes comprising the steps of: (a) providing a starting material comprising a thermoplastic elastomer; (b) heating the starting material of step (a) or the size-reduced material of step (c) to a temperature sufficient to increase the melting onset temperature of the material, thereby obtaining an annealed material; and (c) reducing the size of the starting material of step (a) or the annealed material of step (b) into a powder having a D50 particle size value of 20-150 µm, thereby obtaining a size-reduced material, wherein size reduction step (c) is performed before or after heating step (b).
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
C08G 63/672 - Dicarboxylic acids and dihydroxy compounds
The present invention is directed to a radical-curable coating composition comprising (A) One or more oligomers selected from the group consisting of urethane (meth) acrylates, (meth)acrylated epoxidized triglycerides and any mixture thereof, wherein said oligomers have a molar mass equal to or higher than 800 g/mol and lower than 4500 g/mol, (B) One or more methacrylate reactive diluents having a molar mass lower than 800 g/mol, wherein said methacrylate reactive diluents have an average methacrylate functionality higher than 2, (C) One or more acrylate reactive diluents having a molar mass lower than 800 g/mol, wherein said acrylate reactive diluents have an average acrylate functionality higher than 2, (D) One or more photo-initiators, and (E) One or more thermal initiators, wherein the acrylate functionalities of the acrylate reactive diluents (C) and the methacrylate functionalities of the methacrylate reactive diluents (B) are present in a molar ratio of the acrylate functionalities to the methacrylate functionalities of at least 0.2, wherein the amount of oligomers (A) is higher than 20 wt.% and lower than 90 wt.% and the amount of reactive diluents (B) and (C) is higher than 10 wt.% and lower than 80 wt.%, based on the total amount of (A), (B) and (C), and wherein the total amount of (A), (B) and (C) is at least 25 wt.% of the radical-curable coating composition.
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
C08L 75/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
C09D 151/08 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
D21H 19/20 - Coatings without pigments applied in a form other than the aqueous solution defined in group comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
The present invention is directed to methods of manufacturing certain biodegradable and/or compostable biobased particulate compositions for additive manufacturing which incorporate a homopolymer or copolymer of 3 -hydroxy butyric acid. Specifically, the methods of manufacturing claimed and described herein include the steps of providing a starting material comprising said 3-hydroxy butyric acid; optionally, compacting the starting material to obtain a compacted material; heating to a temperature sufficient to prevent sticking to obtaining an annealed material; and milling into a powder having specified particle size values. In addition, the present invention is directed to additive manufacturing processes utilizing the biodegradable and/or compostable biobased particulate compositions elsewhere described, along with the articles printed therefrom.
B29B 13/02 - Conditioning or physical treatment of the material to be shaped by heating
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
B29B 13/10 - Conditioning or physical treatment of the material to be shaped by filtering
22.
BIODEGRADABLE AND/OR COMPOSTABLE BIOBASED POWDERS FOR ADDITIVE MANUFACTURING, AND METHODS FOR THE USE THEREOF
The present invention is directed to certain biodegradable and/or compostable biobased particulate compositions for additive manufacturing, such as those including a polyhydroxyalkanoate (PHA) powder, wherein the particulate composition and/or the PHA powder possesses (a) a free bulk density, as determined by ASTM D1895-96, of greater than 0.30 g/mL, and (b) a sinterability region of greater than 15 degrees Celsius. Also, the invention is directed to certain methods of manufacturing such biodegradable and/or compostable biobased particulate compositions useful as powdered build material for additive manufacturing processes. In addition, the present invention is directed to additive manufacturing processes utilizing the biodegradable and/or compostable biobased particulate compositions elsewhere described, along with the articles printed therefrom.
B29B 13/02 - Conditioning or physical treatment of the material to be shaped by heating
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
23.
STORAGE STABLE THERMOSETTING POWDER COATING COMPOSITIONS COMPRISING AN EPOXY CROSSLINKER AND A POLYESTER RESIN PREPARED FROM CITRIC ACID AND/OR CITRIC ACID ANHYDRIDE, AND POWDER COATINGS THEREOF HAVING AT LEAST GOOD CHEMICAL RESISTANCE AND AT LEAST VERY GOOD ADHESION
The invention relates to thermosetting powder coating compositions comprising a constituent B which constituent B consists of an epoxy crosslinker of a particular epoxy equivalent weight and a polyester resin comprising reacted residues of citric acid, and/or citric acid anhydride, and optionally alkyl esters of citric acid. The invention further relates to cured thermosetting powder coating compositions (powder coatings), films, coatings, and articles based on or using the invention's thermosetting powder coating compositions. The invention further relates to various processes and uses of the thermosetting powder coating compositions of the invention.
132YY Y X3143mm is from 3 to 9, or from 3 to 8. Also described and claimed are various compositions, including UV-curable compositions, containing the compounds elsewhere disclosed. Yet further described and claimed are methods of preparing the compounds, compositions, and/or mixtures elsewhere described and claimed.
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
The present invention is directed to a process for producing a coating, wherein the process comprises (1) Irradiating a radiation-curable coating composition with UV light having a wavelength ≤ 220 nm under inert gas, followed by (2) Irradiating with UV light having a wavelength ≥ 300 nm or with E-beam, wherein the radiation-curable coating composition comprises (A) One or more oligomeric urethane acrylates (A) with a molar mass of from 1100 to 5000 g/mol with an acrylate functionality of from 4 to 14, and (B) One or more acrylate diluents (B) with a molar mass less than 650 g/mol and with an acrylate functionality of from 2 to 4, and wherein the amount of (A) is from 20 to 75 wt.% and the amount of (B) is from 25 to 80 wt.%, based on the total amount of (A) and (B), and the total amount of (A) and (B) is at least 50 wt.% by weight of the radiation-curable coating composition
Aspects are described for use in additive manufacturing. A desired manufacturing path (704) is specified for a 3D model of an object to manufacture via additive manufacturing. The object may be a load-bearing structure. The desired manufacturing path may be based on the expected mechanical stress on the object. Slicing the 3D model provides toolpath segments (702a, 702b, 702c, 702d) corresponding to a toolpath of an additive manufacturing apparatus. The toolpath segments are sorted and oriented based on the desired manufacturing paths. Additive manufacturing control instructions are generated based on the sorted and oriented toolpath segments. The additive manufacturing control instructions are used to control the toolpath of an additive manufacturing apparatus in accordance with the desired manufacturing paths when manufacturing the object via an additive manufacturing process.
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
The present invention is directed to radiation curable coating composition, wherein the radiation curable coating composition comprises; A) a film-forming component comprising one or more monomers, oligomers and/or polymers having one or more radiation crosslinkable ethylenically unsaturated bonds, B) one or more salts with a structure according to the following formula; wherein R1 is an alkyl group or an alkenyl group having from 7 to 22 carbon atoms, R2 is a group with one or more radiation crosslinkable ethylenically unsaturated bonds, R3 is an optionally substituted alkyl group or an optionally substituted alkenyl group or a group with one or more radiation crosslinkable ethylenically unsaturated bonds, R4 is an optionally substituted alkyl group or an optionally substituted alkenyl group, or R3 and R4 together with the NH+ form a protonated morpholine ring, and wherein said salts B) are present in an amount such that the coating composition comprises from 0.1 to 0.65 millimoles of NH+ OOC per g coating composition.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood (e.g. fibreboards) obtained by said processes. The invention further relates to articles comprising a) a part which is solid at 23 °C and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.
Described herein are thermoset compositions and kits of compositions suitable for use in additive fabrication processes including specified concentrations of reactive compounds including urethane-(meth)acrylate compounds, monofunctional diluent monomers, and methacrylate-functional compounds having 1.5 polymerizable groups or more. Also described and claimed are methods of creating three-dimensional parts via additive fabrication processes utilizing the compositions elsewhere herein described and claimed, as well as the articles cured therefrom.
The present invention pertains to a method to manufacture a (recyclable) polyester textile product the method comprising providing a first polyester sheet, stitching polyester yarns through the first sheet to form a pile on a first surface of the first sheet, the pile extending from this first surface, and to form loops of the yarns at an opposing second surface of the first sheet, applying a first quantity of a dispersion comprising an aqueous dispersion medium and polyester particles dispersed in the medium, to the second surface of the first sheet, thereafter removing the aqueous dispersion medium from the said quantity of the aqueous dispersion, heating the polyester particles to above a temperature at which the polyester of these particles softens, and subsequently cooling the polyester of the particles to below a temperature at which this polyester solidifies to therewith interconnect the loops and the first sheet with the solidified polyester, wherein the polyester particles are composed of a polyester material that has a HLB (hydrophilic-lipophilic balance) value between 7.6 and 10.5. The invention also pertains to the (recyclable) textile product as such.
The present invention pertains to a dispersion of polyester particles in an aqueous dispersion medium, wherein the particles have a number average particle size below 1000 nm, and wherein the polyester particles are composed of a polyester material that has a HLB (hydrophilic-lipophilic balance) value between 7.6 and 10.5.
The present invention relates to a process for preparing an aqueous dispersion comprising particles with a volume average particle size diameter d50 of from 900 nanometre to 6 micrometre comprises at least steps I. and II. and optionally step(s) III.: I. Preparing an aqueous seed particulate composition of seed polymer particles with a volume average particle size diameter d50 of lower than 700 nanometre and II. Preparing an aqueous particulate composition of particles with a volume average particle size diameter d50 of from 900 nanometre to 6 micrometre by polymerizing a monomer composition (II) comprising ethylenically mono-unsaturated monomers containing carboxylic acid groups in water in the presence of the seed polymer particles with a volume average particle size diameter d50 of lower than 700 nanometre, and in the presence of an oil-soluble organic free radical initiator and/or a water-soluble ionic free radical initiator by starve feed adding at least the monomer composition (II) and the oil-soluble organic free radical initiator and/or the water-soluble ionic free radical initiator to seed particles of the seed particulate composition, and III. Optional sequentially repeating step II. N times to obtain (N+1)th generation particles by starve feed adding at least monomer composition (II) and oil-soluble organic free radical initiator and/or water-soluble ionic free radical initiator to a mixture of at least water and particles generated in the previous step, where N is a number of 1 to 10, to obtain an aqueous particulate composition of particles with a volume average particle size diameter d50 of from 900 nanometre to 6 micrometre.
C08F 265/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group on to polymers of acids, salts or anhydrides
C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
C09D 131/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxy; Coating compositions based on derivatives of such polymers
C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
C09D 135/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at lea; Coating compositions based on derivatives of such polymers
33.
VISCOSITY INDEX IMPROVERS IN OPTICAL FIBER COATINGS
Disclosed and claimed herein are methods of coating an optical fiber, wherein the primary coating composition utilized in the fiber coating process comprises a poly(meth)acrylic macromolecule comprising a copolymer of at least two different (meth)acrylic monomers. According to various embodiments, the poly(meth)acrylic macromolecule may contain a random copolymer of at least two different (meth)acrylic monomers. The primary coating composition utilized may possess a reactive urethane oligomer, a reactive diluent monomer, a photoinitiator, and a viscosity index improver component containing the poly(meth)acrylic macromolecules elsewhere described. The compositions are optionally tuned such that the individual components possess certain Flory- Huggins interaction parameters relative to each other.
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
A process for preparing an aqueous polymer dispersion, wherein the process comprising free-radically initiated emulsion polymerization in an aqueous medium, in the presence of at least one vinyl polymer A, to obtain a polymer B comprising a vinyl polymer phase B1 with a glass transition temperature of from -20 to +15 °C and a vinyl polymer phase B2 with a glass transition temperature of from +50 to +110 °C, with the proviso that the difference in glass transition temperature between polymer B1 and polymer B2 is at least 40 °C, wherein the weight ratio of polymer B1 to polymer B2 is from 80:10 to 10:20, wherein the at least one polymer A is obtained by a process comprising: free-radically initiated bulk or solution polymerizing of: from 5 to 25 wt.% of at least one carboxylic acid functional ethylenically unsaturated monomer A1, and from 75 to 95 wt.% of at least one ethylenically unsaturated monomer A2 different than monomer A1, where the amounts are given relative to the total weight of monomers charged in the polymerization to prepare the vinyl polymer A, wherein the weight average molecular weight of the polymer A is lower than the weight average molecular weight of the polymer B, and wherein the weight ratio of polymer A to polymer B is from 10:90 to 40:60.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
36.
PARTICLES OF (AZIRIDINYL HYDROXY)-FUNCTIONAL ORGANIC COMPOUNDS
The invention relates to particles comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to mixtures comprising said particles. The invention further relates to aqueous dispersions comprising said particles. The invention further relates to aqueous compositions comprising said particles. The invention further relates to coating compositions comprising said particles. The invention further relates to aqueous coating compositions comprising said particles. The invention further relates to particles obtained by a process comprising -amongst others- the steps of providing an aqueous dispersion comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to a kit-of-parts comprising in one of its parts an aqueous dispersion comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to cured forms of the various particles, mixtures, aqueous dispersions, aqueous compositions, coating compositions, and aqueous coating compositions. The invention further relates to articles comprising the particles and/or said mixtures, and/or said aqueous dispersions and/or aqueous compositions and/or said cured forms. The invention further relates to various uses of the particles and/or said mixtures, and/or said aqueous dispersions and/or aqueous compositions and/or said cured forms.
The present invention relates to an aqueous coating composition comprising a multi-aziridine compound and a carboxylic acid functional polymer, characterized in that (i) the composition is an aqueous dispersion having a pH ranging from 8 to 14, (ii) the aqueous dispersion comprises particles X which particles X comprise multi aziridine compound and particles Y which particles Y comprise carboxylic acid functional polymer, and (iii) said multi-aziridine compound has: a) from 2 to 6 of the following structural units A: b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 500 to 10000 Daltons.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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 application relates to aziridine functional compounds with reduced genotoxicity and good crosslinking efficiency, for use in the preparation of, for example, coatings.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
The present invention relates to a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): whereby R', R" are as defined herein m is an integer from 1 to 6; b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 840 Daltons to 5000 Daltons. The multi-aziridine compound can be used for example for crosslinking of for example carboxylic acid functional polymers dissolved and/or dispersed in an aqueous medium.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
12432322 is different than H) may be part of the same cyclic group containing from 3 to 8 carbon atoms; R' and R'' are independently H or an aliphatic hydrocarbon group containing from 1 to 12 carbon atoms; and b) a molecular weight of at least 600 Daltons, wherein the molecular weight is determined using MALDI-TOF mass spectrometry according to the description.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
12432322 is different than H) may be part of the same cyclic group containing from 3 to 8 carbon atoms; R' and R'' are independently H or an aliphatic hydrocarbon group containing from 1 to 12 carbon atoms; and b) a molecular weight from 600 to 20000 Daltons, wherein the molecular weight is determined using MALDI-TOF mass spectrometry according to the description.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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 invention relates to particular (aziridinyl hydroxy)-functional organic component. The invention further relates to liquid compositions comprising said (aziridinyl hydroxy)-functional organic component. The invention further relates to coating compositions comprising said (aziridinyl hydroxy)-functional organic component. The invention further relates to liquid coating compositions comprising said (aziridinyl hydroxy)-functional organic component. The invention further relates to a kit-of-parts comprising in one of its parts a liquid composition comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to cured forms of said liquid compositions, coating compositions, and liquid coating compositions. The invention further relates to articles comprising the (aziridinyl hydroxy)-functional organic component and/or the liquid compositions and/or the liquid coating compositions and/or their cured forms. The invention further relates to various uses of the (aziridinyl hydroxy)- functional organic component and/or said liquid compositions, and/or said liquid coating compositions, and/or said kit-of-parts and/or said cured forms.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
1234 4 are H; m is 1, R' and R'' are according to (1) or (2): (2) R'= H or an aliphatic hydrocarbon group containing from 1 to 14 carbon atoms, and R" = an alkyl group containing from 1 to 4 carbon atoms, CH2-O- (C=O)-R''' or CH2-O-R'''', whereby R''' is an alkyl group containing from 4 to 12 carbon atoms and R'''' is an alkyl group containing from 1 to 14 carbon atoms, (2) R' and R" form together a saturated cycloaliphatic hydrocarbon group containing from 5 to 8 carbon atoms; b. one or more linking chains wherein each one of these linking chains links two of the structural units A; and c. a molecular weight in the range from 600 to 10000 Daltons.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
1244 are independently chosen from H or an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, R a is an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, m is 1, b. one or more linking chains wherein each one of these linking chains links two of the structural units A; and c. a molecular weight in the range from 500 to 10000 Daltons wherein the molecular weight is determined using MALDI-TOF mass spectrometry according to the description.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
12345is H or methyl, X is O or NH, Z' is a polyalkoxy group or an omega-alkoxy polycaprolacton group, Y' is a collection of atoms covalently connected in linear or branched configuration n" is 0 or 1, and m' is an integer from 1 -6; with the proviso that the summed amount of the number of functional groups A and the number of functional groups B in compound (I) is from 2-13; and the compound has a molecular weight in the range from 800-10000 Dalton.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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 relates to a two-component coating system comprising a first component and a second component each of which is separate and distinct from each other, wherein the first component comprises a carboxylic acid functional polymer dissolved and/or dispersed in an aqueous medium, and the second component comprises a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): b) whereby m is an integer from 1 to 8; and o R' and R" are both H b) one or more linking chains wherein each one of these linking chains links two of the structural units A; c) one or more connecting groups whereby each one of the connecting groups connects two of the structural units A; and d) a molecular weight in the range from 840 Daltons to 5000 Daltons, wherein the molecular weight is measured using MALDI-TOF mass spectrometry.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
12433 is an aliphatic hydrocarbon group containing from 1 -4 carbon atoms, R'= H or an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms; R" and R'" are independently chosen from an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, a cycloaliphatic hydrocarbon group containing from 4 to 12 carbon atoms or an aromatic hydrocarbon group containing from 6 to 12 carbon atoms, b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 600 Daltons to 5000 Daltons.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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
patents
