Abstract: A two-component curable resin composition forms a cured product that is excellent in storage stability, is quickly cured by mixing, and has high elongation and high strength is obtained without using a dibutyltin catalyst. A two-component curable resin composition includes the following agent A and agent B. Agent A is a composition containing component (a) and component (b). Component (a) is a hydrogenated epoxy resin. Component (b) is one or more compounds selected from the group consisting of titanium dialkoxybis(acetylacetonate), titanium tetraisopropoxide, tetra-tertiary-butyl titanate, and an aluminum catalyst. Agent B is a composition containing component (c) and component (d). Component (c) is an organic polymer having two or more hydrolyzable silyl groups. Component (d) is a curing agent for component (a).

Abstract: A two-component curable resin composition forms a cured product having high elongation and high strength while maintaining adhesive force to metal. A two-component curable resin composition includes the following agent A and agent B. Agent A is a composition containing component (a) and component (b). Component (a) is (a-1) a hydrogenated epoxy resin and (a-2) a bisphenol type epoxy resin. Component (b) is a curing catalyst of component (c). Agent B is a composition containing component (c) and component (d). Component (c) is an organic polymer having two or more hydrolyzable silyl groups. Component (d) is a curing agent for component (a).

Abstract: An object of the present invention is to provide a photocurable resin composition that can cope with application by screen printing and can be photocured in a short time. The present invention relates to a photocurable resin composition containing the following components (A) to (D): component (A): a polymer having one or more (meth)acryloyl groups and a polyisobutylene skeleton containing —[CH2C(CH3)2]— unit, component (B): a monofunctional monomer containing the following component (b1) and component (b2), component (b1): a monofunctional monomer having a (meth)acryloyl group and a hydroxy group, component (b2): a monofunctional monomer having a (meth)acryloyl group and no hydroxy group, component (C): a radical polymerization initiator, and component (D): organic resin particles.

Abstract: The present invention relates to a curable resin composition, etc., having excellent in applicability and workability. Specifically, the present invention relates to a resin composition, etc., including: one or more base polymers selected from the group consisting of (A) a polymer having two or more alkenyl groups and (B) a polyorganosiloxane having a hydroxyl group bound to a silicon atom; (C) a silica powder surface-treated with an alkyl silane; and (D) a compound including one or more elements selected from the group consisting of boron, phosphorus, sulfur, and nitrogen.

Abstract: The present invention aims to provide a photocurable resin composition which rapidly cures by irradiation with active energy rays such as ultraviolet rays and is excellent in adhesion to an electrolyte membrane which is a hard-to-bond material. A photocurable resin composition includes the following ingredients (A) to (C): ingredient (A): a polymer having one or more (meth)acryloyl groups and having a polyisobutylene skeleton containing a —[CH2C(CH3)2]— unit, ingredient (B): a photoradical polymerization initiator, and ingredient (C): a compound having a (meth)acryloyl group and a cationic polymerizable functional group in one molecule.

Abstract: 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.

Abstract: An object of the present invention is to provide a curable resin composition having a low viscosity and capable of obtaining a cured material having excellent compression set. The curable resin composition of the present invention contains the following components (A) to (C): component (A): an oligomer having one or more (meth)acryloyl groups and a polyisobutylene skeleton containing a —[CH2C(CH3)2]—unit, component (B): a monofunctional monomer having a (meth)acryloyloxy group and a saturated heterocycle with a 4 or more membered ring, component (C): a radical polymerization initiator.

Abstract: The present invention was made in view of the foregoing problem and has an object to provide a photocurable resin composition which can be quickly cured by irradiation with active energy rays such as ultraviolet rays and achieves excellent adhesion to polyolefin such as PP having properties difficult to bond. Specifically, provided is a photocurable resin composition containing the following (A) and (B) ingredients: (A) ingredient: a polymer having a polyisobutylene backbone mainly containing a —[CH2C(CH3)2]— unit, the polymer having one or more (meth)acryloyl groups per molecule; and (B) ingredient: a photo-radical initiator of hydrogen abstraction type.

Abstract: An object of the present invention is to provide a photocurable resin composition that can cope with application by screen printing and can be photocured in a short time. The present invention relates to a photocurable resin composition containing the following components (A) to (D): component (A): a polymer having one or more (meth)acryloyl groups and a polyisobutylene skeleton containing —[CH2C(CH3)2]— unit, component (B): a monofunctional monomer containing the following component (b1) and component (b2), component (b1): a monofunctional monomer having a (meth)acryloyl group and a hydroxy group, component (b2): a monofunctional monomer having a (meth)acryloyl group and no hydroxy group, component (C): a radical polymerization initiator, and component (D): organic resin particles.

Abstract: The present invention aims to provide a curable resin composition excellent in surface curability and deep curability by irradiation with active energy rays such as ultraviolet rays while maintaining sealability. The present invention provides a curable resin composition including the following ingredients (A) to (D): ingredient (A): a polymer which has one or more (meth)acryloyl groups and has a polyisobutylene backbone containing a —[CH2C(CH3)2]- unit, ingredient (B): a radical polymerization initiator, ingredient (C): a triarylphosphine or a triarylphosphine derivative, and ingredient (D): xanthone or a xanthone derivative.

Abstract: The present invention aims to provide a curable resin composition which has low viscosity as well as properties such as high elongation property, high tensile strength, and hydrogen gas barrier property. A curable resin composition includes the following ingredients (A) to (D): ingredient (A): a vinyl polymer having one or more alkenyl groups in one molecule; ingredient (B): a compound having one or more hydrosilyl groups in one molecule; ingredient (C): a hydrosilylation catalyst; ingredient (D): a polyfunctional vinyl ether compound.

Abstract: The present invention aims to provide a curable resin composition which has low viscosity as well as properties such as high elongation property, hydrogen gas barrier property, and adhesiveness. A curable resin composition includes ingredients (A) to (D): ingredient (A): a vinyl polymer having one or more alkenyl groups in one molecule, ingredient (B): a compound having one or more hydrosilyl groups in one molecule, ingredient (C): a hydrosilylation catalyst, and ingredient (D): a polydimethylsiloxane oligomer having one or more ethylenically unsaturated groups and one or more hydrolyzable silyl groups in one molecule.

Abstract: The present invention aims to provide a curable resin composition which has low viscosity as well as properties such as rubber physical property and hydrogen gas barrier property. The present invention provides a curable resin composition including the following ingredients (A) to (D): ingredient (A): a vinyl-based polymer having one or more alkenyl groups in one molecule, ingredient (B): a compound having one or more hydrosilyl groups in one molecule, ingredient (C): a hydrosilylation catalyst, and ingredient (D): a plasticizer having at least two peaks in a molecular weight distribution measured by GPC.

Abstract: The present invention has an object to provide a photocurable resin composition which can be quickly cured by irradiation with active energy rays such as ultraviolet rays and achieves excellent adhesion to an electrolyte membrane having properties difficult to bond. Specifically, provided is a photocurable resin composition containing the following (A) to (C) ingredients: (A) ingredient: a polymer having a polyisobutylene backbone containing a —[CH2C(CH3)2]— unit, the polymer having one or more (meth)acryloyl groups; (B) ingredient: a photo-radical polymerization initiator; and (C) ingredient: one or more compounds selected from the group consisting of silicone oligomers each having one or more alkoxy groups and one or more (meth)acryloyl groups, silicone oligomers each having one or more alkoxy groups and one or more amino groups, and silane compounds each having one or more isocyanate groups.

Abstract: The present invention has an object to provide a photocurable resin composition which exhibits excellent surface curability and deep section curability when irradiated with active energy rays such as ultraviolet rays while maintaining sealability. Specifically, provided is a photocurable resin composition containing the following (A) to (C) ingredients: (A) ingredient: a polymer having a polyisobutylene backbone containing a —[CH2C(CH3)2]— unit, the polymer having one or more (meth)acryloyl groups; (B) ingredient: a photo-radical polymerization initiator; and (C) ingredient: a triarylphosphine derivative or a xanthone derivative.

Abstract: The present invention aims to provide a curable resin composition from which a cured product having high tensile strength and high extensibility can be obtained. A resin composition includes the following ingredients (A) to (C): ingredient (A): a polymer which has one or more (meth)acryloyl groups and has a polyisobutylene skeleton containing a —[CH2C(CH3)2]— unit; ingredient (B): a radical polymerization initiator; and ingredient (C): a monomer (c1) which has an alicyclic structure containing a (meth)acryloyl group and a substituent of a hydrocarbon group having 2 to 20 carbon atoms or a monomer (c2) which has a (meth)acryloyl group and a dicyclopentenyl group or adamantyl group.

Abstract: The present invention has an object to produce a curable resin composition that achieves both low-temperature curability and low compression set. Provided is a sealing agent for fuel cell, comprising (A) to (D) ingredients: (A) ingredient: a vinyl polymer having one or more alkenyl groups per molecule and being liquid at 25° C.; (B) ingredient: a compound having one or more hydrosilyl groups per molecule; (C) ingredient: a hydrosilylation catalyst; and (D) ingredient: a heavy metal deactivator being one or more compounds selected from the group consisting of amino group-containing triazine compounds, aminotriazole compounds, and hydrazide compounds.

Abstract: The present invention aims to provide a curable resin composition which has low viscosity as well as properties such as high elongation property, high tensile strength, and hydrogen gas barrier property. A curable resin composition includes the following ingredients (A) to (D): ingredient (A): a vinyl polymer having one or more alkenyl groups in one molecule; ingredient (B): a compound having one or more hydrosilyl groups in one molecule; ingredient (C): a hydrosilylation catalyst; ingredient (D): a polyfunctional vinyl ether compound.

Abstract: 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.

Abstract: The present invention has an object to produce a curable resin composition that achieves both low-temperature curability and low compression set. Provided is a sealing agent for fuel cell, comprising (A) to (D) ingredients: (A) ingredient: a vinyl polymer having one or more alkenyl groups per molecule and being liquid at 25° C.; (B) ingredient: a compound having one or more hydrosilyl groups per molecule; (C) ingredient: a hydrosilylation catalyst; and (D) ingredient: a heavy metal deactivator being one or more compounds selected from the group consisting of amino group-containing triazine compounds, aminotriazole compounds, and hydrazide compounds.