Threebond Co., Ltd.

Mao Anai

Tetsunori Soga

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 &#x2014;[CHC(CH)]&#x2014; unit, the polymer having one or more (meth)acryloyl groups per molecule; and (B) ingredient: a photo-radical initiator of hydrogen abstraction type.

Photocurable resin composition, fuel cell, and sealing method

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 &#x2014;[CHC(CH)]&#x2014; 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.

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 &#x2014;[CHC(CH)]&#x2014; 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.

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Hachioji, Japan

Mao Anai