Abstract: An aqueous bio-based energy-curable polyurethane composition having at least one ethylenically unsaturated polyurethane pre-polymer (A) obtained from the reaction of at least one aliphatic, cycloaliphatic or aromatic polyisocyanate compound (Ai), at least one hydrophilic compound (Aii) containing at least one reactive group capable to react with an isocyanate and which is capable to render the polyurethane pre-polymer dispersible in an aqueous medium either directly or after the reaction with an organic or inorganic neutralizing agent to provide a salt therefrom, at least one ethylenically unsaturated compound (Aiii), containing essentially one reactive group capable to react with an isocyanate, at least one ethylenically unsaturated compound (Aiv), containing at least two reactive groups capable to react with an isocyanate.

Abstract: A radiation curable and at least partially biobased urethane (meth)acrylate for use in a one-component coating composition for cladding an outdoor surface of a building, obtained from the reaction of at least the following compounds: a. A polyisocyanate compound having a biobased carbon content of at least 20%, preferably at least 50%, as determined by method A of the standard ASTM D6866-12: 2008, and b. A (meth)acrylate compound, different from compound a, and containing a reactive group capable to react with isocyanate groups.

Abstract: An aqueous dispersion comprising a mixture of a first dispersion and a second dispersion, wherein the first dispersion comprises at least one (meth)acrylated pre-polymer (A), and the second dispersion comprises at least one thiol-functional compound (B). The aqueous dispersion optionally comprises at least one ethylenically unsaturated compound (C).

Abstract: The present invention relates to an aqueous resin composition (I) comprising at least one polymerizable ethylenically unsaturated polyurethane polymer (A), optionally, at least one polymerizable ethylenically unsaturated compound (B) different from (A), and optionally, at least one neutralizing agent (C); wherein the polyurethane polymer (A) has a weight average molecular weight of less than 15.

Abstract: This invention relates to a radiation curable aqueous coating composition comprising: —from 1 to 99% by weight, relative to the total weight of (1) and (2), of at least one radiation curable aqueously dispersed polyester resin composition (1) comprising an emulsifier D and the reaction product AC of a hydroxy functional polyester resin A and an olefinically unsaturated compound C which can be radically polymerized and which is attached to the polyester resin backbone by an ester linkage or a urethane linkage, and—from 1 to 99% by weight, relative to the total weight of (1) and (2), of at least one other olefinically unsaturated compound (2) selected from the group of: water-dispersible compounds (21); water-soluble compounds (22); and/or water-compatible compounds (23) that have a weight average molecular weight of at least 450 Dalton and are different from the reaction product AC.

Abstract: An aqueous radiation curable composition containing at least one ethylenically unsaturated polyurethane (A) and at least one ethylenically unsaturated polyurethane (B), different from the polyurethane (A), said ethylenically unsaturated polyurethane (B) preferably being characterized by a molecular weight that is below 10,000 Daltons; and optionally, at least one ethylenically unsaturated compound (C) different from (A) and (B); wherein the radiation curable composition in dry form has a steady-state creep viscosity ?30, expressed as the apparent viscosity after a deformation time of 30 minutes with a load ?O=50 Pa at 23° C., that is above 1·103 Pa·s, more preferably above 1·104 Pa·s. The compositions are characterized by an improved creep viscosity ?30 and provide polymer materials with a good flow and mirror effect. In general, these materials are less sensitive to dust pick-up and fingerprints. Further provided is a one-vessel solvent free process for preparing such materials.

Abstract: The present invention relates to waterborne curing compositions for electrodeposition and radiation curing and processes to obtain such compositions. The compositions are characterized in that an ethylenically unsaturated compound (b), is dispersed in an aqueous solution by an at least partially neutralized (meth)acrylic modified amine epoxy adduct. The compositions of the invention are particularly suitable for coating metallic materials and temperature sensitive materials such as electrically conductive plastic materials.

Abstract: The present invention relates to an aqueous radiation curable composition comprising: (I) at least one ethylenically unsaturated compound (A), and (II) at least one emulsifier (B) comprising alternating polyalkylene oxide segments, wherein said emulsifier optionally bears one or more groups selected from alkyl groups, aryl groups hydroxyl groups and/or ethylenically unsaturated groups, and wherein said emulsifier (B) has an HLB value of at least 4.5, preferably at least 7. The compositions of the invention are particularly suited for the manufacture of sprayable eco-friendly hardcoats, but they are also suitable for the making of inks, overprint varnishes and adhesives, alone or in combination with e.g. a water-borne polymer dispersion.

Abstract: The invention relates to radiation-curable aqueous composition comprising an (meth)acrylated polyurethane pre-polymer obtained from the reaction of a polyisocyanate, optionally a polyol, at least one hydrophilic compound containing at least one reactive group capable to react with isocyanate groups and which is capable to render the polyurethane pre-polymer dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, an (meth)acrylated compound containing at least two reactive groups capable to react with isocyanate groups and an (meth)acrylated compound containing essentially one reactive group capable to react with isocyanate groups, said composition comprising an amount of (meth)acrylated and polymerizable ethylenically unsaturated groups of at least 3 meq per g.

Abstract: Provided in the invention is an aqueous radiation curable composition (I) comprising: —at least one ethylenically unsaturated polyurethane (A) obtained from the reaction of at least one polyisocyanate compound (Ai); at least one ethylenically unsaturated compound (Aii) containing at least one reactive group capable to react with isocyanate groups; at least one hydrophilic compound (Aiii) containing at least one reactive group capable to react with isocyanate groups and at least one other group which is capable to render the polyurethane polymer dispersible in aqueous medium as such or after the formation of a salt; optionally, at least one polyol (Aiv); optionally, at least one further compound (Av) different from the polyol (Aiv) and comprising at least one reactive group capable to react with isocyanate groups; and optionally, at least one reactive electrophilic compound (Avi); said ethylenically unsaturated polyurethane (A) preferably being characterized by a molecular weight that is above 1,000 Daltons; —

Abstract: The present invention relates to a process for the preparation of dispersions of colloidal polymerized particles and to the colloidal polymerized particles obtained and/or obtainable by the process as well as to their use.

Abstract: The present invention provides for an ethylenically unsaturated hydroxyl-terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol component (B) comprising: (iia) at least one saturated hydroxylated compound (B1) containing hydrophilic groups capable of rendering the polyurethane dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, and at least one compound (B2) that is selected from saturated polyester polyols (B21) and/or from saturated polycarbonate polyols (B22); and/or (iib) at least one compound (B3) that is selected from saturated polyester polyols (B31) containing compound (B1) moieties and/or from saturated polycarbonate polyols (B32) containing compound (B1) moieties; and, optionally, one or more of compounds (B1) and/or (B

Abstract: The present invention relates to an ethylenically unsaturated hydroxyl-terminated polyurethane (I) obtained by reacting (i) at least one ethylenically unsaturated compound (A) containing at least two reactive groups capable of reacting with isocyanate groups and at least one ethylenically unsaturated group; with (ii) at least one saturated alcohol component (B) comprising: (iia) at least one saturated hydroxylated compound (B1) containing hydrophilic groups capable of rendering the polyurethane dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, and, optionally, at least one compound (B2) that is selected from saturated polyester polyols (B21) and/or from saturated polycarbonate polyols (B22); and/or (iib) at least one compound (B3) that is selected from saturated polyester polyols (B31) containing compound (B1) moieties and/or from saturated polycarbonate polyols (B32) containing compound (B1) moieties; and, optionally, one or more of compounds (B1

Abstract: The present invention relates to an aqueous radiation curable composition comprising: (I) at least one ethylenically unsaturated compound (A), and (II) at least one emulsifier (B) comprising alternating polyalkylene oxide segments, wherein said emulsifier optionally bears one or more groups selected from alkyl groups, aryl groups hydroxyl groups and/or ethylenically unsaturated groups, and wherein said emulsifier (B) has an HLB value of at least 4.5, preferably at least 7. The compositions of the invention are particularly suited for the manufacture of sprayable eco-friendly hardcoats, but they are also suitable for the making of inks, overprint varnishes and adhesives, alone or in combination with e.g. a water-borne polymer dispersion.

Abstract: The present invention relates to waterborne curing compositions for electrodeposition and radiation curing and processes to obtain such compositions. The compositions are characterized in that an ethylenically unsaturated compound (b), is dispersed in an aqueous solution by an at least partially neutralized (meth)acrylic modified amine epoxy adduct. The compositions of the invention are particularly suitable for coating metallic materials and temperature sensitive materials such as electrically conductive plastic materials.

Abstract: The present invention relates to an aqueous resin composition (I) comprising at least one polymerizable ethylenically unsaturated polyurethane polymer (A), optionally, at least one polymerizable ethylenically unsaturated compound (B) different from (A), and optionally, at least one neutralizing agent (C); wherein the polyurethane polymer (A) has a weight average molecular weight of less than 15.

Abstract: The present invention relates to a radiation curable aqueous composition comprising at least one ethylenically unsaturated polymer (1) which is the reaction product of—a water-dispersible (meth)acrylic polymer A containing pendant hydroxyl or isocyanate groups, and containing pendant groups capable to render the polymer dispersible in aqueous medium either directly or after reaction with a neutralizing agent; —at least one ethylenically unsaturated compound B which can be radically polymerized under irradiation and which attaches to the (meth)acrylic polymer A by an urethane linkage; —and, optionally, at least one neutralizing agent C. The present invention further relates to the making and use of such radiation curable aqueous compositions.

Abstract: The present invention relates to an aqueous composition comprising from 5 to 90% by weight of a polymerizable ethylenically unsaturated water dispersible polyurethane (A) and from 1 to 60% by weight relative to the weight of polyurethane (A) of a least one polymerizable ethylenically unsaturated compound (B) having a water solubility at 25° C. of less than 50 g/l, and it use for making high gloss coatings as well as wood stains.

Abstract: The present invention relates to a process for the preparation of dispersions of colloidal polymerized particles and to the colloidal polymerized particles obtained and/or obtainable by the process as well as to their use.

Abstract: The invention relates to radiation-curable aqueous composition comprising an (meth)acrylated polyurethane pre-polymer obtained from the reaction of a polyisocyanate, optionally a polyol, at least one hydrophilic compound containing at least one reactive group capable to react with isocyanate groups and which is capable to render the polyurethane pre-polymer dispersible in aqueous medium either directly or after the reaction with a neutralizing agent to provide a salt, an (meth)acrylated compound containing at least two reactive groups capable to react with isocyanate groups and an (meth)acrylated compound containing essentially one reactive group capable to react with isocyanate groups, said composition comprising an amount of (meth)acrylated and polymerizable ethylenically unsaturated groups of at least 3 meq per g.