The present invention provides a coating agent for leather, the coating agent containing: in terms of solid content ratio, (I) an aqueous urethane resin; (II) a matting agent; and (III) a silicone acryl graft copolymer resin emulsion in which the weight ratio of a polyorganosiloxane represented by a specified formula relative to acrylic ester units or methacrylic ester units is 50:50 to 90:10, and a leather on which a coating by the coating agent for leather is formed. This coating agent for leather has exceptional wear resistance and anti-fouling properties, and a leather on which a coating by the coating agent is formed can maintain a high-quality external appearance and high wear resistance.

An object of the present invention is to provide a surface modifier composition that is capable of performing surface modification of various types of hardly adhesive materials, and of improving adhesion with respect to various types of hardly adhesive materials, and an adhesion method using the same. The present invention relates to a surface modifier composition, containing: an (A) component: a hydrogen abstraction type radical initiator; a (B) component: a silane compound having a hydrolyzable silyl group, and one or more functional groups which are at least one type of functional group selected from the group consisting of radical polymerizable functional groups and mercapto groups; and a (C) component: at least one compound selected from the group consisting of a (C1) specific silane compound and a (C2) condensation reaction catalyst, in which the surface modifier composition is used in surface modification of an adherend containing a resin having a hydrocarbon bond.

An object of the present invention is to provide a surface modifier composition that is capable of performing surface modification of various types of hardly adhesive materials, and of improving adhesion with respect to various types of hardly adhesive materials, and an adhesion method using the same. The present invention relates to a surface modifier composition, containing: an (A) component: a hydrogen abstraction type radical initiator; a (B) component: a silane compound having a hydrolyzable silyl group, and one or more functional groups which are at least one type of functional group selected from the group consisting of radical polymerizable functional groups and mercapto groups; and a (C) component: at least one compound selected from the group consisting of a (C1) specific silane compound and a (C2) condensation reaction catalyst, in which the surface modifier composition is used in surface modification of an adherend containing a resin having a hydrocarbon bond.

An object of the present invention is to provide an imprinting curable composition which includes a silicon-containing polymerizable compound such as polysiloxane, exhibits outstanding adhesion to a substrate and excellent demoldability from a fine pattern mold, and causes very little mold contamination. The object is attained by providing a photo-imprinting curable composition including a polymerizable compound (A) containing a silicon atom in the molecule, a photopolymerization initiator (B) and an additive (C), the additive (C) being a compound represented by the following formula (C1) or (C2):
R.sup.1OC.sub.2H.sub.4O.sub.nX.sup.1  (C1)
X.sup.2OC.sub.2H.sub.4O.sub.pC.sub.3H.sub.6O.sub.qC.sub.2H.sub.4O.sub.rX.s

An object of the present invention is to provide an imprinting curable composition which includes a silicon-containing polymerizable compound such as polysiloxane, exhibits outstanding adhesion to a substrate and excellent demoldability from a fine pattern mold, and causes very little mold contamination. The object is attained by providing a photo-imprinting curable composition including a polymerizable compound (A) containing a silicon atom in the molecule, a photopolymerization initiator (B) and an additive (C), the additive (C) being a compound represented by the following formula (C1) or (C2):
R.sup.1OC.sub.2H.sub.4O.sub.nX.sup.1  (C1)
X.sup.2OC.sub.2H.sub.4O.sub.pC.sub.3H.sub.6O.sub.qC.sub.2H.sub.4O.sub.rX.s

The present disclosure relates to a photopolymer composition including a polymer matrix or a precursor thereof having a predetermined chemical structure; a photoreactive monomer; and a photoinitiator, a hologram recording medium, an optical element and a holographic recording method using the same.

The present disclosure relates to a photopolymer composition including a polymer matrix or a precursor thereof having a predetermined chemical structure; a photoreactive monomer; and a photoinitiator, a hologram recording medium, an optical element and a holographic recording method using the same.

An object of the present invention is to provide a surface modifier composition that is capable of performing surface modification of various types of hardly adhesive materials, and of improving adhesion with respect to various types of hardly adhesive materials, and an adhesion method using the same. The present invention relates to a surface modifier composition, containing: an (A) component: a hydrogen abstraction type radical initiator; a (B) component: a silane compound having a hydrolyzable silyl group, and one or more functional groups which are at least one type of functional group selected from the group consisting of radical polymerizable functional groups and mercapto groups; and a (C) component: at least one compound selected from the group consisting of a (C1) specific silane compound and a (C2) condensation reaction catalyst, in which the surface modifier composition is used in surface modification of an adherend containing a resin having a hydrocarbon bond.

An object of the present invention is to provide a surface modifier composition that is capable of performing surface modification of various types of hardly adhesive materials, and of improving adhesion with respect to various types of hardly adhesive materials, and an adhesion method using the same. The present invention relates to a surface modifier composition, containing: an (A) component: a hydrogen abstraction type radical initiator; a (B) component: a silane compound having a hydrolyzable silyl group, and one or more functional groups which are at least one type of functional group selected from the group consisting of radical polymerizable functional groups and mercapto groups; and a (C) component: at least one compound selected from the group consisting of a (C1) specific silane compound and a (C2) condensation reaction catalyst, in which the surface modifier composition is used in surface modification of an adherend containing a resin having a hydrocarbon bond.

The present invention provides a coating agent for leather, the coating agent containing: in terms of solid content ratio, (I) an aqueous urethane resin; (II) a matting agent; and (III) a silicone acryl graft copolymer resin emulsion in which the weight ratio of a polyorganosiloxane represented by a specified formula relative to acrylic ester units or methacrylic ester units is 50:50 to 90:10, and a leather on which a coating by the coating agent for leather is formed. This coating agent for leather has exceptional wear resistance and anti-fouling properties, and a leather on which a coating by the coating agent is formed can maintain a high-quality external appearance and high wear resistance.