Daiso Co., Ltd.

Osaka Soda Co., Ltd.

Kohji Ohnuki

Yoritaka Yasuda

Yasuo Matoba

Taro Ozaki

Shinichi Udo

Hidekazu Tanaka

Yoshihiro Tomoshige

Kazuki Uno

Yoshikazu Nishi

A semiconducting component for an electrographic device, comprising a crosslinked body obtained by crosslinking a copolymer containing 9.9 to 39.9% by mole of structural units (a) originating from an epihalohydrin, 60 to 90% by mole of structural units (b) originating from an alkylene oxide, and 0.1 to 10% by mole of structural units (c) originating from a cyclic ether monomer having a (meth)acryloyl or alkoxysilyl group with use of reactivity of the structural units originating from the cyclic ether monomer having a (meth)acryloyl or alkoxysilyl group.

Semiconducting component for electrographic device

A composition for a semiconductive rubber, comprising an epichlorohydrin-based rubber (a), an ethylene oxide-modified (meth)acrylate (b), and at least one kind of a crosslinking agent (c) selected from the group consisting of a sulfur-based crosslinking agent, a quinoxaline-based crosslinking agent and a triazine-based crosslinking agent.

Composition for semiconductive rubber, crosslinked rubber product, and semiconductive parts

A vulcanizable composition which contains

Polyepichlorohydrin, 2,3-dimercapto(pyrazine or quinoxaline) and

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Osaka, Japan

Kohji Ohnuki