Mitsubishi Engineering-plastics Corporation

Shinya Miya

Satoshi Kanayama

Kenichi Narita

Ken Shimomai

Kiyoji Takagi

Koji Nishida

Tatsuhiko Hatakeyama

Ken Honma

Tatuya Masuki

Thermoplastic resin composition containing a naphthalene dicarboxylic acid moiety and an aliphatic diol moiety

A polycarbonate resin composition according to the present invention is suited to be used for medical supplies or appliances and shows a very low yellow discoloration when exposed to an ionizing radiation for sterilization. The polycarbonate resin composition comprises 100 parts by weight of a polycarbonate resin; 0.01 to 5 parts by weight of an aromatic compound containing oxy group or carbonyl group; and 0.01 to 5 parts by weight of at least one compound selected from the group consisting of: (A) a compound containing cyclic acetal group; (B) a sulfone compound; (C) a sulfoxide compound; (D) polyalkylene glycol, an ether of polyalkylene glycol or an ester of polyalkylene glycol; (E) a compound containing sulfonate group; and (F) an aromatic hydrocarbon-aldehyde resin.

Polycarbonate resin composition

Thermoplastic resin composition

The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin; 0.01 to 5 parts by weight of a compound containing oxymethylene unit, a compound containing oxymethylene unit having substituent or a cyclic ether compound having substituent.

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Hiratsuka, Japan

Shinya Miya