Abstract: The present disclosure relates to a photoinitiating composition suitable for UV-LED light irradiation comprising: a) a photoinitiating system suitable for LED light irradiation having a wavelength in the range of 340-420 nm; b) a dispersing medium; wherein the dispersing medium comprises an organic solvent which is miscible with water.

Abstract: The present application relates to a coating composition and wood article manufactured therefrom, the coating composition comprising: (A) a film-forming resin composition comprising a reactive donor capable of providing two or more nucleophilic carbanions, and a reactive acceptor comprising two or more carbon-carbon double bonds; (B) a catalyst for catalyzing the Michael addition crosslinking reaction between the reactive donor and the reactive acceptor, wherein the reactive donor has an aromatic epoxy backbone, and wherein the reactive donor has an epoxy equivalent weight in the range of from 400 to 1100 g/mol, preferably in the range of from 470 to 1000 g/mol, more preferably in the range of from 470 to 900 g/mol.

Abstract: Provided are a UV-curable non-isocyanate polyurea polymer and a UV-curable coating composition containing the same. The UV-curable non-isocyanate polyurea polymer has one or more ethylenically unsaturated functional groups and the ethylenically unsaturated functional groups are attached to nitrogen atoms present in a backbone urea segment via —C(=0)- linkage. The nonisocyanate polyurea polymer is prepared by: (i) providing an ethylenically unsaturated compound having one or more carboxylic acid functional groups; and (ii) reacting said ethylenically unsaturated compound having one or more carboxylic acid functional groups with a multi-carbodiimide polymer to form the non-isocyanate polyurea polymer.

Abstract: The present description provides a Michael Addition curable composition, comprising A) at least one reactive donor capable of providing two or more nucleophilic carbanions; B) at least one reactive acceptor comprising two or more carbon-carbon double bonds; and C) at least one catalyst for catalyzing the Michael Addition crosslinking reaction between the at least one reactive donor and the at least one reactive acceptor. The present description further provides a coating composition containing the composition and a coated article made therefrom.

Abstract: The present application relates to a Michael Addition curable composition, coating composition containing the same and coated article made therefrom. In particular, the Michael Addition curable composition comprises at least one reactive donor capable of providing two or more nucleophilic carbanions; at least one reactive acceptor comprising two or more carbon-carbon double bonds; and at least one catalyst for catalyzing a Michael Addition crosslinking reaction between the at least one reactive donor and the at least one reactive acceptor, wherein the at least one reactive donor comprises at least one branched polyester comprising at least one polyester backbone and at least one —C(O)—CH2—C(O)-moiety; wherein the at least one polyester backbone is derived from an alcohol component comprising at least one alcohol having at least three hydroxyl groups; and wherein the at least one branched polyester has a —C(O)—CH2—C(O)-moiety equivalent of no more than 700 g/mol.

Abstract: The present application relates to a coating composition and wood article manufactured therefrom, the coating composition comprising: (A) a film-forming resin composition comprising a reactive donor capable of providing two or more nucleophilic carbanions, and a reactive acceptor comprising two or more carbon-carbon double bonds; (B) a catalyst for catalyzing the Michael addition crosslinking reaction between the reactive donor and the reactive acceptor, wherein the reactive donor has an aromatic epoxy backbone, and wherein the reactive donor has an epoxy equivalent weight in the range of from 400 to 1100 g/mol, preferably in the range of from 470 to 1000 g/mol, more preferably in the range of from 470 to 900 g/mol.

Abstract: The present disclosure refers to an aqueous dispersion comprising a polymer-inorganic particles composite and the method for preparing the same, wherein the polymer has ionic hydrophilic groups and hydrophobic long chain hydrocarbyl groups, and the polymer is covalently linked to said inorganic particles. The present disclosure also refers to powdered fillers obtained by drying the aqueous dispersion. The present disclosure further refers to a waterborne coating composition comprising the aqueous dispersion or the powdered fillers, as well as a coated article.

Abstract: The present disclosure relates to a wood article and a process for preparing the wood article. In particular, the present disclosure relates to a wood article comprising a wood substrate comprising acidic substances and having at least one major surface; an adhesion promoting layer directly applied on the major surface of the wood substrate; and a Michael Addition curing coating applied on the adhesion promoting layer, wherein the adhesion promoting layer is formed by a composition comprising a functional silane comprising amino and/or imino functional groups; and wherein the Michael Addition curing coating is formed from a two-component curable coating composition.

Abstract: The present application relates to a coating composition and wood article manufactured therefrom, the coating composition comprising: (A) a film-forming resin composition comprising a reactive donor capable of providing two or more nucleophilic carbanions, and a reactive acceptor comprising two carbon-carbon double bonds; (B) a catalyst for catalyzing the Michael addition crosslinking reaction between the reactive donor and the reactive acceptor, wherein at least one of the reactive acceptor and the reactive donor comprises an aromatic ring structure, and wherein the polymer formed by homopolymerization of the reactive acceptor has a Tg of 100° C. or higher.

Abstract: The present application is directed to a two-component waterborne polyurethane coating composition including: a film-forming resin composition, comprising an aqueous dispersion of hydroxyl acrylic polymer particles with a core-shell structure; and a polyisocyanate crosslinker, wherein the hydroxyl acrylic polymer particles with a core-shell structure includes a shell formed by a copolymer A and an inner core formed by a copolymer B; and wherein the copolymer A has a glass transition temperature ranging from ?20° C. to 60° C., the copolymer B has a glass transition temperature ranging from 20° C. to 100° C., and the hydroxyl acrylic polymer particles with a core-shell structure have a glass transition temperature ranging from 10° C. to 90° C. The present application also relates to a low gloss coating formed by the two-component waterborne polyurethane coating composition.

Abstract: The present disclosure is directed to a process for the preparation of resin-inorganic fibers composite and the obtained resin-inorganic fibers composite for coating. The process comprises the step of providing inorganic fibers bearing one or more monomer functional groups reactive with a monomer component; and reacting resin-forming monomer components with the inorganic fibers bearing one or more monomer functional groups reactive with a monomer component, to obtain the resin-inorganic fibers composite, wherein the resin is selected from the group consisting of alkyd resin, polyester resin and a combination thereof. The present disclosure is also directed to a coating composition containing the composite and a coating formed from the coating composition.

Abstract: The present disclosure relates to a wood article and a process for preparing the wood article. In particular, the present disclosure relates to a wood article comprising a wood substrate comprising acidic substances and having at least one major surface; a sealing coating applied on the major surface of the wood substrate; and a Michael Addition curing coating applied on the sealing coating, wherein the sealing coating is formed by a sealing agent comprising one or more chosen from an aqueous latex of polyurethane acrylics polymer, an aqueous latex of carboxyl functional self-crosslinkable acrylics polymer, an aqueous latex of cationic acrylics polymer, an aqueous latex of polyvinyl acetate and a two-component polyurethane coating system; and wherein the Michael Addition curing coating is formed from a two-component curable coating composition.

Abstract: The present disclosure relates to use of an aqueous dispersion of siloxane for reducing grain puffing of a wood substrate and an article comprising an anti grain puffing coating. The article comprises (a) a wood substrate having at least one major surface; (b) an anti grain puffing coating directly applied on the major surface of the wood substrate, formed from an aqueous dispersion of siloxane; and (c) one or more coatings applied on the anti grain puffing coating, formed from an aqueous coating composition, wherein the siloxane contains one or more hydrophobic group and one or more hydrophilic group chemically bonded to its molecule skeleton; and wherein the siloxane has a particle size in the range of 5 to 100 nm.

Abstract: The present disclosure is directed to a solvent borne non-isocyanate curable two-components coating composition, comprising: component a) a film-forming resin composition comprising a resin component having carboxyl functional groups and hydroxyl functional groups and having an acid value of at least 23 mg KOH/g resin; and component b) an aromatic polycarbodiimide having two or more —N?C?N— moieties, wherein the carboxyl functional groups of the resin component and the —N?C?N— moieties present in the aromatic polycarbodiimide have a molar ratio in the range of 1:2 to 2:1, preferably in the range of 1:1 to 2:1; and wherein the coating composition comprises less than 1 wt % of water relative to the total weight of the coating composition. The present disclosure is also directed to an article comprising a substrate and a coating disposed thereon formed by the above solvent borne non-isocyanate curable two-components coating composition.

Abstract: The present disclosure relates to a photoinitiating composition suitable for UV-LED light irradiation comprising: a) a photoinitiating system suitable for LED light irradiation having a wavelength in the range of 340-420 nm; b) a dispersing medium; wherein the dispersing medium comprises an organic solvent which is miscible with water.

Abstract: Provided are a UV-curable non-isocyanate polyurea polymer and a UV-curable coating composition containing the same. The UV-curable non-isocyanate polyurea polymer has one or more ethylenically unsaturated functional groups and the ethylenically unsaturated functional groups are attached to nitrogen atoms present in a backbone urea segment via —C(=0)- linkage. The nonisocyanate polyurea polymer is prepared by: (i) providing an ethylenically unsaturated compound having one or more carboxylic acid functional groups; and (ii) reacting said ethylenically unsaturated compound having one or more carboxylic acid functional groups with a multi-carbodiimide polymer to form the non-isocyanate polyurea polymer.

Abstract: The present invention relates to use of an aqueous dispersion of vinylidene chloride-acrylic acid-vinyl chloride terpolymer as a barrier coating in wood substrates. In particular, the present invention relates to an article comprising (a) a wood substrate comprising at least one of tannin and rosin; (b) a primer coat directly applied on a major surface of the wood substrate, formed from a water borne clear paint comprising an aqueous dispersion of vinylidene chloride-acrylic acid-vinyl chloride terpolymer; and (c) one or more light-colored topcoat applied on the primer coating.

Abstract: The present disclosure refers to an aqueous dispersion comprising a polymer-inorganic particles composite and the method for preparing the same, wherein the polymer has ionic hydrophilic groups and hydrophobic long chain hydrocarbyl groups, and the polymer is covalently linked to said inorganic particles. The present disclosure also refers to powdered fillers obtained by drying the aqueous dispersion. The present disclosure further refers to a waterborne coating composition comprising the aqueous dispersion or the powdered fillers, as well as a coated article.

Abstract: The present disclosure is directed to an aqueous dispersion of inorganic fibers and a method for formulating an aqueous coating composition therefrom. The aqueous dispersion of inorganic fibers comprises water, inorganic fibers, a dispersing agent, an anti-settling agent and optionally additional additives, wherein the inorganic fibers have an average fiber diameter of from 1 micron to 100 microns and have a number average aspect ratio of from 1.1:1 to 10:1; and wherein the aqueous dispersion does not contain a film-forming amount of a polymeric resin.

Abstract: The present disclosure is directed to a process for the preparation of resin-inorganic fibers composite and the obtained resin-inorganic fibers composite for coating. The process comprises the step of providing inorganic fibers bearing one or more monomer functional groups reactive with a monomer component; and reacting resin-forming monomer components with the inorganic fibers bearing one or more monomer functional groups reactive with a monomer component, to obtain the resin-inorganic fibers composite, wherein the resin is selected from the group consisting of alkyd resin, polyester resin and a combination thereof. The present disclosure is also directed to a coating composition containing the composite and a coating formed from the coating composition.