Mitsubishi Engineering-plastics Corporation

Mitsubishi Gas Chemical Company, Inc.

Takeda Chemical Industries, Inc.

Mitsubishi Chemical Corporation

Kazuhiko Ishii

Goro Shimaoka

Junji Oshima

Makoto Mizutani

Michio Nakata

Ken Shimomai

Minoru Yamada

Tatsuo Fujii

Shinji Tachibana

Shizuo Togo

Kazuhiro Ando

Haruhiko Kurokawa

Takao Teraoka

Yasuhiro Hirai

Hisato Abe

The present invention relates to a polycarbonate resin composition comprising 100 parts by weight of an aromatic polycarbonate resin (a), 3 to 30 parts by weight of titanium oxide (b), 0.01 to 9 parts by weight of silica (c1), 0.01 to 9 parts by weight of a polyorganosiloxane polymer (c2), and 0.01 to 5 parts by weight of polytetrafluoroethylene (d).

Polycarbonate resin composition and its molded articles

The present invention provides a flame-retardant polycarbonate resin composition which comprises (a) 100 parts by weight of an aromatic polycarbonate resin, (b) 0.5-40 parts by weight of a phosphorus-containing flame retardant, (c) 0.01-5 parts by weight of polyfluoroethylene, (d) 0-5 parts by weight of sulfonic acid metal salt, and (e) 0.5-30 parts by weight of a multi-layered polymer having a core made of an elastic polymer having a glass-transition temperature (Tg) lower than a room temperature, and an outer layer made of a thermoplastic resin having an adhesiveness or miscibility to polycarbonate, provided that the composition comprises 3-40 parts by weight of a phosphorus-containing flame retardant when said composition comprises substantially no sulfonic acid metal salt.

Flame-retardant polycarbonate resin composition

The purpose of the present invention is to provide a flame-retardant polycarbonate resin composition which contains phosphorus-free flame-retardant(s), has an excellent impact resistance, an excellent heat resistance as well as an excellent moldability, and can satisfy a severe flammability level. According to the present invention, there is provided a flame-retardant polycarbonate resin composition which comprises (A) 100 parts by weight of an aromatic polycarbonate resin, (B) 0.01-5 parts by weight of an organic sulfonic acid metal salt, (C) 0.01-5 parts by weight of a fluorinated polyolefin, (D) 0.2-20 parts by weight of a diene-containing multi-layered polymer, and wherein the content of a phosphorus-containing flame-retardant is less than 0.5 parts by weight.

Flame-retardent polycarbonate resin composition and a molded product using the same

A permanent anti-static polycarbonate resin composition is comprises

Permanent anti-static polycarbonate resin composition

A multi-layered polymer having (a) a core layer of an aromatic vinyl polymer, (b) an intermediate layer of a butadienic rubbery polymer and (c) an outer layer of an aromatic vinyl glassy polymer, the amount of the components (a), (b) and (c) being 12 to 42 weight %, 48 to 78 weight % and 10 to 40 weight %, respectively, provides a thermoplastic resin composition excellent not only in impact strength, especially in impact strength at low temperatures, but also in, in the case of containing a coloring agent, color-stability including less mottlings, and giving a molded article improved in preventing occurrence of delamination around the gate region.

Multi-layered polymers

A polycarbonate resin composition comprising (a) an aromatic polycarbonate resin, (b) a rubber-polyester block copolymer comprising an aliphatic diene-based rubber having at one or both ends thereof a polyester structural unit formed by ring-opening polymerization of an aliphatic lactone with the aliphatic diene-based rubber, and (c) an inorganic filler.

Polycarbonate resin composition

There is disclosed a core-shell polymer which comprises:

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Kanagawa, Japan

Kazuhiko Ishii