Idemitsu Kosan Company, Limited

Idemitsu Petrochemical Co., Ltd.

Kuraray Co., Ltd.

Keisuke Funaki

Takashi Sumitomo

Komei Yamasaki

Akikazu Nakano

Masahiko Kuramoto

Masakazu Suzuki

Toshikazu Ijitsu

Michihiro Sawada

Takaaki Uchida

Yuichi Ohki

Masami Kogure

Taichi Negi

Shiro Nagata

Atsunori Yaguchi

Akira Mochizuki

Yosuke Arai

Yuichi Oki

Eiji Maemura

Akihiko Okada

Hiroshi Kawato

Tomoaki Takebe

Nobuhide Ishihara

Akitoshi Masuyama

Michitake Uoi

Hiroshi Uchida

Toshihiro Furusawa

Azuma Komeiji

Hiroshi Akamine

Masakazu Abe

Hideyuki Takama

A polycarbonate resin composition which has excellent flame retardancy, even when containing neither any phosphorus compound flame retardant nor any halogenated flame retardant, and which is highly reflective and has light-shutting properties and excellent thermal stability. The polycarbonate resin composition comprises 5 to 98 parts by weight of a polycarbonate/polyorganosiloxane copolymer, 0 to 93 parts by weight of a polycarbonate resin, 2 to 50 parts by weight of titanium oxide, 0 to 1.0 parts by weight of a fibril-forming polytetrafluoroethylene, and 0.05 to 2.0 parts by weight of an organosiloxane, the sum of the ingredients (A), (B), and (C) is 100 parts by weight.

Polycarbonate resin composition and molded object thereof

The invention relates to a styrene resin material, especially a styrene-based resin composition having good high-speed castability and good spreadability and favorable to extrusion molding lines. Of the styrene-based resin material, the product of the melt index (MI, g/10 min) and the melt tension (MT, g) measured under a specific condition is at least 20. Concretely, for example, it is a styrene-based resin composition comprising (A) from 35 to 95% by weight of a styrenic polymer having a syndiotactic structure, (B) from 5 to 50% by weight of a specific polyethylenic resin, and (C) from 0 to 15% by weight (including 0) of a specific styrene-olefin copolymer.

Styrene resin material

A composition useful in molding comprises (A) from 10-95% by weight of a syndiotactic styrene resin, (B) from 5-90% by weight of a thermoplastic resin such as a polyolefin, polyester, polyether, polyamide or polycarbonate, and ( ) from 1-15 parts by weight of a rubber polymer such as maleic anhydride-modified or unmodified styrene-(butadiene or isoprene) block copolymer.

Syndiotactic styrene resin, thermoplastic resin and rubber

A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.

Composition of styrene resin, thermoplastic resin and rubber particles

A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.

Styrene-based resin composition with thermoplastic resin

A composition comprises (A) a syndiotactic styrene-based resin and (C) rubber polymer particles such as graft copolymers, butadiene or isoprene block copolymers optionally hydrogenated and/or modified with maleic anhydride, and other rubbers, and, optionally, (B) a thermoplastic resin such as a polycarbonate, and/or (D) a filler such as glass fibers.

Styrene resin with rubber polymer particles

Novel styrene-based resin compositions comprising a styrene-based resin having a mainly syndiotactic configuration in compbination with one or more of: (A) thermoplastic resins other than the styrene-based resin, (B) a rubber polyers, and (C) inorganic fillers. The compositions have improved heat resistance and impact resistance over non-syndiotactic styrene-based resin compositions.

Styrene-based resin composition

A polystyrene-based resin composition containing a styrene-based resin with mainly syndiotactic configuration, a polyamide, and a rubber polymer as main components. Styrene-based resins of mainly syndiotactic configuration include polystyrene, poly(alkylstyrene), poly(halogenated styrene), poly(alkoxystyrene), styrene copolymers comprised of polymerized units of at least of styrene, alkylstyrene, halogenated styrene and alkoxystyrene, and mixtures thereof

Composition of styrene resin, thermoplastic resin and rubber

A composition comprising 20-80 weight percent of a styrene polymer with mainly syndiotactic configuration, and 20-80 weight percent of a polycarbonate, and optionally an inorganic filler.

Syndiotactic polystyrene and polycarbonate resin compositions

A polystyrene-based resin composition containing a styrene-based resin with mainly syndiotactic configuration and filler as main components. Styrene-based resins of mainly syndiotactic configuration include polystyrene, poly(alkylstyrene), poly(halogenated styrene), poly(alkoxystyrene), styrene copolymers comprised of polymerized units of at least of styrene, alkylstyrene, halogenated styrene and alkoxystyrene, and mixtures thereof.

Styrene based resin composition

There is disclosed a styrenic resin composition which comprises 70 to 99.9% by weight of an (A) styrenic polymer having a high degree of syndiotactic configuration and 0.1 to 30% by weight of a (B) organic compound having a --NH-- group and a molecular weight of less than 10,000. According to the present invention, there is obtained a styrenic resin composition having a syndiotactic configuration which is improved in electrical insulating properties, especially in withstand voltage against direct current.

Syndiotactic styrenic resin composition

Polystyrenic stretched film and process for producing the polystyrenic

Styrenic resin composition and polystyrene oriented film

Polystyrenic stretched film, process for producing said film,

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Ichihara, Japan

Keisuke Funaki