Nippon Zeon Company, Ltd.

Kazuhiro Takahashi

Yoichiro Kubo

A catalyst comprising a high-molecular complex formed from a palladium compound and a nitrile group-containing polymer, and a method for hydrogenating a conjugated diene polymer which comprises selectively hydrogenating only a carbon-carbon double bond of the conjugated diene polymer using same.

Method for hydrogenating conjugated diene polymer

In a method for hydrogenating a nitrile group-containing unsaturated copolymer which comprises selectively hydrogenating only a carbon-carbon double bond of the nitrile group-containing unsaturated copolymer in solution, the improvement wherein a palladium complex represented by formula

Method for hydrogenating nitrile group-containing unsaturated copolymer

A catalyst comprising a high-molecular complex formed from a palladium compound and anitrile group-containing polymer, and a method for hydrogenating a conjugated diene polymer which comprises selectively hydrogenating only a carbon-carbon double bond of the conjugated diene polymer using same.

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Yokohama, Japan

Kazuhiro Takahashi