Mitsubishi Chemical Corporation

Mitsubishi Chemical Industries Limited

Masaya Ueda

Masaaki Miyamoto

Takao Tayama

Mitsuhiko Tamura

Toshimitsu Inoue

Ryuji Uchimura

Eiichi Kamoshida

Shigeo Higashi

A polycarbonate composition excellent in both antistatic property and coloring matter coatability containing (a) a polycarbonate obtained by an ester exchange process, and (b) a compound having a molecular weight of from 300 to 8,000 and having any of ester bond, carbonate bond, amide bond and urethane bond in its molecule and an aromatic hydrocarbon group substituted by at least one alkyl group at the molecular end thereof, a write once read many optical disc substrate and a write once read many optical disc using the same and a process for the production of a write once read many optical disc are described.

Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc

Disclosed herein is a polyamide resin composition comprising a polyamide resin, from 0.1 to 1% by weight of fine silica based on the polyamide resin and from 1 to 99% by weight of a silane coupling agent based on the fine silica. The packaging material obtained from the polyamide resin composition of the present invention has uniform and satisfactory transparency and is excellent in the blocking resistance.

Polyamide resin composition

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Kanagawa, Japan

Masaya Ueda