Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.

Provided are a light diffusion film having a single-layered light diffusion layer, in which the uniformity of the intensity of diffused light in the light diffusion angle region can be increased, or the light diffusion angle region can be expanded effectively, by regulating the combination of the angles of inclination of pillar-shaped objects in plural columnar structure regions, and a method for manufacturing a light diffusion film. Disclosed is a light diffusion film having a single-layered light diffusion layer, the light diffusion film having a first columnar structure region and a second columnar structure region, in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a region having a relatively low refractive index, sequentially from the lower part of the film along the film plane.

An active energy ray-curable resin composition which contains (A) inorganic oxide particles each having an organic functional group on the surface, (B) a siloxane oligomer which has at least one functional group selected from the group consisting of a (meth)acryloyl group, an epoxy group and a vinyl group, while having a weight average molecular weight of 200-3,000, (C) a polyfunctional (meth)acrylate having a specific structure, (D) a urethane (meth)acrylate having two or more (meth)acryloyl groups in each molecule, and (E) an ultraviolet absorbent.

An active energy ray-curable resin composition which contains (A) inorganic oxide particles each having an organic functional group on the surface, (B) a siloxane oligomer which has at least one functional group selected from the group consisting of a (meth)acryloyl group, an epoxy group and a vinyl group, while having a weight average molecular weight of 200-3,000, (C) a polyfunctional (meth)acrylate having a specific structure, (D) a urethane (meth)acrylate having two or more (meth)acryloyl groups in each molecule, and (E) an ultraviolet absorbent.

There is provided a photocurable urethane gel-state body which has self-formability of being in a gum-state and conforming to a shape of a surface to be used by a first-stage curing, and turns to a high-hardness polyurethane by a second-stage photocuring with the self formed shape being held. The present invention relates to the photocurable urethane gel-state body which is a photocurable gel-state body containing, at least, a photocurable composition (A) containing a polyfunctional urethane (meth)acrylate and a photopolymerization initiator, and a polyurethane (B), wherein the photocurable composition (A): the polyurethane (B) is, in mass ratio, in the range of 25:75 to 55:45; and the polyfunctional urethane (meth)acrylate has no residual hydroxyl group, and to a method for producing the photocurable urethane gel-state body.

There is provided a photocurable urethane gel-state body which has self-formability of being in a gum-state and conforming to a shape of a surface to be used by a first-stage curing, and turns to a high-hardness polyurethane by a second-stage photocuring with the self formed shape being held. The present invention relates to the photocurable urethane gel-state body which is a photocurable gel-state body containing, at least, a photocurable composition (A) containing a polyfunctional urethane (meth)acrylate and a photopolymerization initiator, and a polyurethane (B), wherein the photocurable composition (A): the polyurethane (B) is, in mass ratio, in the range of 25:75 to 55:45; and the polyfunctional urethane (meth)acrylate has no residual hydroxyl group, and to a method for producing the photocurable urethane gel-state body.

A high-recoverability resin particles having a mean particle size of 1 to 100 m containing a cross-linked (meth)acrylic acid ester-based resin, wherein the high-recoverability resin particles have a recovery rate of 22% or greater, and a 30% compression strength of 1.5 to 5.0 kgf/mm.sup.2.

A high-recoverability resin particles having a mean particle size of 1 to 100 m containing a cross-linked (meth)acrylic acid ester-based resin, wherein the high-recoverability resin particles have a recovery rate of 22% or greater, and a 30% compression strength of 1.5 to 5.0 kgf/mm.sup.2.

Provided is an active energy ray curable resin composition for the formation of a hard coating layer on a thermoplastic resin product, where the hard coating layer is one having good resistance to scratches and abrasion and strong resistance to impact and weather or one having very good resistance to scratches and abrasion. The composition contains a urethane (meth)acrylate (A) having an average number of functional groups of 3 to 6 and having, in molecular skeleton, an organic group corresponding to a tricyclodecanedimethanol represented by following Formula (1), except for removing two hydrogen atoms of two hydroxyl groups therefrom; and a microparticulate silica (S) having a volume median diameter of 1 to 100 nm as determined by dynamic light scattering. The composition contains 10 to 40 percent by weight of the urethane (meth)acrylate (A) and 10 to 60 percent by weight of the microparticulate silica (S) based on the total weight of non-volatile matter in the composition. ##STR00001##

A curable resin composition comprising: a fluorinated urethane(meth)acrylate represented by formula (1), ##STR00001##
wherein, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each independently represents a hydrogen atom or a methyl group, x and y each independently represents 1 or 2, and n represents an integer within the range of 1 to 10; R.sup.3 and R.sup.4 each independently represents the hydrogen atom when x and y are both 1; R.sup.3 represents the hydrogen atom and R.sup.4 represents the methyl group when x is 1 and y is 2; R.sup.3 represents the methyl group and R.sup.4 represents the hydrogen atom when x is 2 and y is 1; and R.sup.3 and R.sup.4 each independently represents the methyl group when x and y are both 2.