Abstract: There is provided a floor coating composition used for coating of a floor, which has improved performance and durability without a boundary between the cured and uncured areas. Also provided is a floor coating composition for flooring material, which contains components (A) to (E) below as essential components: component (A): a bifunctional (meth)acrylate compound not having an alicyclic structure; component (B1): a trifunctional or more urethane (meth)acrylate oligomer; component (B2): a hexafunctional or more urethane (meth)acrylate oligomer other than the component (B1); component (C): a melamine (meth)acrylate; component (D): metal oxide nanoparticles; and component (E): an active energy ray polymerization initiator.

Abstract: There is provided a floor coating composition used for coating of a floor, which has improved performance and durability without a boundary between the cured and uncured areas. Also provided is a floor coating composition for flooring material, which contains components (A) to (E) below as essential components: component (A): a bifunctional (meth)acrylate compound not having an alicyclic structure; component (B1): a trifunctional or more urethane (meth)acrylate oligomer; component (B2): a hexafunctional or more urethane (meth)acrylate oligomer other than the component (B1); component (C): a melamine (meth)acrylate; component (D): metal oxide nanoparticles; and component (E): an active energy ray polymerization initiator.

Abstract: The present invention relates to a radiation curable composition comprising (a) from 1 to 99% by weight of a (meth)acrylated natural oil which is the reaction product of an unsaturated natural oil with an unsaturated anhydride and a hydroxyl functional (meth)acrylate, and (b) from 1 to 99% by weight of a (meth)acrylated oligomer and/or monomer, and optionally an inert resin and/or filler, as well as their use for making inks and coatings.

Abstract: The present invention relates to a radiation curable composition comprising (a) from 1 to 99% by weight of a (meth)acrylated natural oil which is the reaction product of an unsaturated natural oil with an unsaturated anhydride and a hydroxyl functional (meth)acrylate, and (b) from 1 to 99% by weight of a (meth)acrylated oligomer and/or monomer, and optionally an inert resin and/or filler, as well as their use for making inks and coatings.

Abstract: The present invention relates to a radiation curable composition comprising (a) from 1 to 99% by weight of a (meth)acrylated natural oil which is the reaction product of an unsaturated natural oil with an unsaturated anhydride and a hydroxyl functional (meth)acrylate, and (b) from 1 to 99% by weight of a (meth)acrylated oligomer and/or monomer, and optionally an inert resin and/or filler, as well as their use for making inks and coatings.

Abstract: The invention relates to radiation curable compositions comprising at least one radiation curable (meth)acrylic copolymer A prepared by reacting a copolymer P obtained from copolymerizing monomers comprising (i) from 10 to 50 mole % of at least one (meth)acrylate (a1) comprising a first functional group, and (ii) from 50 to 90 mole % of at least one alkyl(meth)acrylate (a2) having at least 6 carbon atoms in the alkyl chain, with at least one (meth)acrylate (a3) comprising a second functional group which can react with the first functional group of (meth)acrylate (a1), said radiation curable (meth)acrylic copolymer A having a number average molecular weight Mn of 1000 to 23000, and their use for making inks, varnishes, adhesives and coatings.

Abstract: The present invention relates to a process for the preparation of radiation curable compositions comprising at least one radiation curable (meth)acrylic copolymer A and at least one (meth)acrylated epoxy compound B, said process comprising:—the preparation of a copolymer P by copolymerization of monomers comprising: (i) from 0.1 to 50 mole % of at least one epoxy (meth)acrylate (a1), and (ii) from 50 to 99.9 mole % of at least one other copolymerizable monomer (m) different from (a1) in the presence of at least one non-copolymerizable epoxy compound (b1) and—further reacting copolymer P thereby obtained and the non-copolymerizable epoxy compound (b1) with at least one carboxylic (meth)acrylate (a3).

Abstract: The present invention relates to a radiation curable composition comprising (a) from 1 to 99% by weight of a (meth)acrylated natural oil which is the reaction product of an unsaturated natural oil with an unsaturated anhydride and a hydroxyl functional (meth)acrylate, and (b) from 1 to 99% by weight of a (meth)acrylated oligomer and/or monomer, and optionally an inert resin and/or filler, as well as their use for making inks and coatings.

Abstract: An acrylic urethane (meth)acrylate oligomer composition is provided, which has an acrylic urethane backbone comprising a reaction product of an acrylic polyol, and a diisocyanate, said acrylic urethane (meth)acrylate oligomer has residues in the Mowing order: hydroxy(meth)acrylate-(diisocyanate-acrylic polyol)n-diisocyanate-hydroxy(meth)acrylate where n is 1 to 10. The oligomer is useful in ink compositions.

Abstract: An acrylic urethane (meth)acrylate oligomer is provided, which has an acrylic urethane backbone comprising a reaction product of an acrylic polyol and a diisocyanate, which backbone is capped with a hydroxy(meth)acrylate. The acrylic urethane (meth)acrylate oligomer has residues in the following order: hydroxy(meth)acrylate?(diisocyanate?acrylic polyol)n?diisocyanate?hydroxy(meth)acrylate where n is 1 to 10. The oligomer is useful in ink compositions.

Abstract: A method of forming heat-resistant raised print on a substrate using a radiation-curable powder composition where the composition is cured using radiation. The powder composition includes one or more ultraviolet radiation curable (meth)acrylated polyester powders, and optionally one or more additives. The method includes applying the (meth)acrylated polyester powder composition to a wet inked print on a substrate to produce a coated print, heating the coated print to melt temperature to form a raised-melt, and irradiating the raised-melt to form the radiation-cured heat-resistant raised print on the substrate.

Abstract: Photo-initiator blends suitable for radiation curable ink formulations are disclosed which comprise a mixture of three or more photo-initiators, the mixture being a liquid at a temperature at or below ambient; the mixture comprising: (a) a first photo-initiator comprising an optionally substituted hydroxyC1-10 alkylC6-18aryl ketone which is liquid at ambient temperature; (b) a second photo-initiator comprising an optionally substituted hydroxy(cycliC3-10alkyl)C6-18aryl ketone which is solid at ambient temperature; and (c) one or more of the following photo-initiators each of which may be optionally substituted:an alpha aminoacetophenone, a C6-18aryl(((C1-10 alkyl)1-4C6-18arylcarbonyl))1-3 phosphine oxide, a benzophenone; a benzophenone derivative and/or a hydra-carob (optionally alkyl or aryl) amino benzoate; where, (i) the first photo-initiator (a) and the second photo-initiator (b) are present in the mixture in a weight ratio of from about 0.8 to about 1.