Cheil Industries Inc.

Samsung Sdi Co., Inc.

Lotte Chemical Corporation

Lotte Advanced Materials Co., Ltd.

Dong Kil Choi

Seung Shik Shin

Dong Min Park

Il Jin Kim

Kwang Soo Park

Kee Hae Kwon

Tae Gon Kang

Sung Hee Ahn

Su Hak Bae

Eun Taek Woo

Pil Ho Kim

Jin Hwa Chung

Jun Myung Kim

Jae Won Lee

Jung Hun Lee

Young Mi Kim

Sung Hun Choi

Min Jung Joo

Ji Yea Kim

Ki Uk Kim

Dong Hoon Han

A thermoplastic resin composition includes: about 100 parts by weight of a polycarbonate resin; about 0.1 parts by weight to about 1.5 parts by weight of a first rubber-modified vinyl graft copolymer including a diene rubber polymer having an average particle diameter of about 50 nm to about 200 nm; about 0.1 parts by weight to about 1.5 parts by weight of a second rubber-modified vinyl graft copolymer including a diene rubber polymer having an average particle diameter of about 250 nm to about 400 nm; about 0.1 parts by weight to about 1.5 parts by weight of a silicone rubber-modified vinyl graft copolymer; about 3 parts by weight to about 15 parts by weight of a phosphazene compound; and about 0.05 parts by weight to about 0.3 parts by weight of an alkali (earth) metal salt of perfluoroalkylsulfonic acid. The thermoplastic resin composition can exhibit good properties in terms of flame retardancy, chemical resistance (post-plating impact resistance), impact resistance, heat resistance, and balance therebetween.

Thermoplastic polycarbonate resin composition and molded article produced therefrom

The thermoplastic resin composition of the present invention comprises: (A) a rubber-modified aromatic vinyl-based graft copolymer resin; (B) a polyester resin; (C) a maleimide-based polymer; (D) a copolymer resin of a modified aromatic vinyl compound-cyanide vinyl compound comprising a functional group which can react with a polyester; and (E) an aromatic vinyl-based resin copolymerized with an alkyl(meth)acrylate, wherein the aromatic vinyl-based resin copolymerized with the alkyl(meth)acrylate (E) is included in the composition at approximately 6 to 12 percent by weight.

Thermoplastic resin composition and molding form for same

A thermoplastic resin composition and a molded article using the same. The thermoplastic resin composition includes a base resin including a polycarbonate resin and a polysiloxane-polycarbonate copolymer resin, an impact modifier, a phosphorus flame retardant, and inorganic fillers, wherein the inorganic fillers include wollastonite and talc, and the wollastonite has an average diameter of 5 &#x3bc;m to 10 &#x3bc;m and an aspect ratio (diameter:length) of 1:7 to 1:9. The thermoplastic resin composition can exhibit excellent properties in terms of tensile elongation, flexural strength, impact resistance, and balance therebetween.

Flame retardant thermoplastic resin composition and molded article comprising the same

Disclosed herein is a thermoplastic resin composition, which includes a polycarbonate resin; and a rubber-reinforced vinyl copolymer, wherein the rubber-reinforced vinyl copolymer comprises a matrix including a branched vinyl copolymer which is a polymer of a monomer mixture including an alkyl (meth)acrylate and a reactive monomer, and a dispersed rubbery polymer in the matrix. The thermoplastic resin composition can exhibit excellent impact resistance and/or flowability.

Thermoplastic resin composition and molded article including the same

A flame retardant thermoplastic resin composition includes: (A) about 60% by weight (wt %) to about 90 wt % of a polycarbonate resin including a first polycarbonate having a weight average molecular weight from about 30,000 g/mol to about 50,000 g/mol and a second polycarbonate having a weight average molecular weight from about 5,000 g/mol to about 20,000 g/mol; (B) about 10 wt % to about 40 wt % of an aromatic vinyl resin having a fogging index (FI) of about 0.8 or less as calculated by Equation 1 defined in the specification; (C) about 1 part by weight to about 20 parts by weight of an impact modifier based on about 100 parts by weight of (A)+(B); and (D) about 5 parts by weight to about 30 parts by weight of a flame retardant based on about 100 parts by weight of (A)+(B.

Flame retardant thermoplastic resin composition and molded article produced from the same

The present invention provides a transparent thermoplastic resin composition which may comprise (A) about 1 to about 100 parts by weight of an ultra-high molecular weight branched acrylic copolymer resin; (B) about 0 to about 99 parts by weight of an acrylic resin; and (C) about 0 to about 40 parts by weight of an acrylic impact modifier, based on 100 parts by weight of (A) and (B). The ultra-high molecular branched acrylic copolymer resin (A) may be prepared by polymerizing a monomer mixture comprising (a1) about 50 to about 99.899% by weight of a mono-functional monomer, (a2) about 0.1 to about 40% by weight of a (meth)acrylic monomer having a flexible segment represented following Chemical Formula 1, and (a3) about 0.001 to about 10% by weight of a branch-inducing monomer. The thermoplastic resin composition of the present invention can have improved transparency, scratch resistance, flowability, and impact strength. wherein m is an integer from 3 to 18, Y is methyl or hydrogen, and X is methyl or hydrocarbon.

Transparent thermoplastic resin composition with improved impact strength and melt flow index

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Uiwang-si, South Korea

Dong Kil Choi