Lotte Advanced Materials Co., Ltd.

Samsung Sdi Co., Inc.

Cheil Industries Inc.

Joo Hyun Jang

Kwang Soo Park

Bo Eun Kim

Jae Won Heo

Young Sub Jin

Yu Jin Jung

Ki Bo Chang

Kee Hae Kwon

Jin Hwa Chung

Il Jin Kim

Man Suk Kim

Yong Hee Kang

Natarajan Senthilkumar

Ja Kwan Goo

Jun Sung Oh

Tae Gon Kang

Young Chul Kwon

Seung Yong Bae

Ju Sung Kim

Kang Yeol Park

Yoen Kyoung Kim

Cheon Seok Yang

Jin Seong Lee

Ja Kwan Koo

Dong Hyun Park

Dong Hee Kim

Gyeong Ha Chae

Kyung Min Park

Senthilkumar Natarajan

Min Young Lim

Jeong Tae Kim

A thermoplastic resin composition and a molded article formed of the same. The thermoplastic resin composition includes: a thermoplastic resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl copolymer resin; polyalkylene glycol; and zinc oxide, wherein the zinc oxide has an average particle diameter of about 0.5 &#x3bc;m to about 3 &#x3bc;m and a BET specific surface area of about 1 m/g to about 10 m/g. The thermoplastic resin composition and the molded article formed thereof can have good properties in terms of discoloration resistance, antibacterial activity, and the like even after being irradiated with ionizing radiation.

Ionizing radiation resistant thermoplastic resin composition and article comprising the same

A rubber modified vinyl-based graft copolymer of the present invention has a core-shell structure in which a shell is formed by graft-polymerizing a monomer mixture to a core comprising a rubbery polymer, wherein the monomer mixture comprises: an aromatic monomer comprising an &#x3b1;-substituted aromatic vinyl-based monomer represented by chemical formula 1 and an aromatic vinyl-based monomer excluding the &#x3b1;-substituted aromatic vinyl-based monomer; a cyanovinyl-based monomer; and a maleimide-based monomer. A thermoplastic resin composition containing the rubber modified vinyl-based graft copolymer has excellent impact resistance, heat resistance, appearance characteristics and the like.

Rubber modified vinyl-based graft copolymer, and thermoplastic resin composition containing same

A copolymer includes (A) an aromatic vinyl-based monomer, (B) an unsaturated nitrile-based monomer, (C) a cross-linkable siloxane compound, and (D) an N-substituted maleimide-based monomer to realize a synergistic effect of matting characteristics and heat resistance properties. A thermoplastic resin composition including the copolymer, and a molded article including the thermoplastic resin composition are provided.

Copolymers and thermoplastic resin composition comprising the same

A thermoplastic resin composition includes (A) a rubber-modified vinyl-based graft copolymer, (B) a silicone-modified aromatic vinyl-based copolymer, and (C) an aromatic vinyl-unsaturated nitrile-based copolymer. The thermoplastic resin composition can exhibit low-gloss characteristics and a synergistic effect of impact resistance and heat resistance.

Thermoplastic resin composition

A thermoplastic resin composition includes (A) a graft rubber copolymer, (B) an aromatic vinyl-vinyl cyanide-based copolymer, and (C) a silicone-modified aromatic vinyl-vinyl cyanide-based copolymer. The silicone-modified aromatic vinyl-vinyl cyanide-based copolymer (C) has an average particle size of about 100 &#x3bc;m or less.

Thermoplastic resin composition and low-gloss molded article made therefrom

A copolymer capable of realizing a synergistic effect of matting characteristics and heat resistance properties includes two or more types of compounds including at least two unsaturated reactive groups. A thermoplastic resin composition including the copolymer is also provided.

Copolymers and thermoplastic resin composition including the same

An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a silicone compound having at least two unsaturated reactive groups; and a Cto Clinear or branched alkyl group-containing acrylic compound. A thermoplastic resin composition including the aromatic vinyl copolymer can have excellent matting properties, impact resistance, flowability, and balance therebetween.

Aromatic vinyl-based copolymer and thermoplastic resin composition including the same

An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a first silicone compound having a weight average molecular weight of about 150 g/mol to less than about 6,000 g/mol and including at least two unsaturated reactive groups; and a second silicone compound having a weight average molecular weight of about 6,000 g/mol to about 100,000 g/mol and including at least two unsaturated reactive groups. A thermoplastic resin composition including the aromatic vinyl copolymer can exhibit excellent matting properties, impact resistance, and balance therebetween.

Aromatic vinyl copolymer and thermoplastic resin composition including the same

A thermoplastic resin composition according to the present invention is characterized by comprising: (A) a polycarbonate resin; and (B) a biphenyl group-containing (meth)acrylic copolymer. As such, the refractive index of the biphenyl group-containing (meth)acrylic copolymer (B) can be approximately from 1.495 to 1.640. The thermoplastic resin composition exhibits superior balance of material properties such as impact strength, internal scratch resistance, transparency, thermal resistance and appearance.

Thermoplastic resin composition and molded products thereof

A method for preparing a tetrapolymer includes preparing a suspension including an aromatic vinyl-based monomer, an unsaturated nitrile-based monomer, an N-substituted maleimide-based monomer, an &#x3b1;-alkyl styrene-based monomer, and an inorganic dispersing agent, and polymerizing the suspension. The method for preparing a tetrapolymer can be useful in lowering a reaction temperature using suspension polymerization, and reducing a reaction time, thereby maximizing productivity. A tetrapolymer prepared by the method is also provided.

Aromatic vinyl based tetrapolymer, method for preparing the same and thermoplastic resin composition comprising the same

Disclosed herein are a vinyl copolymer and a thermoplastic resin composition including the same. The vinyl copolymer is prepared by copolymerization of (A) an aromatic vinyl monomer, (B) a vinyl cyanide monomer, and (C) a dimaleimide monomer.

Vinyl copolymer having high heat resistance and low-gloss, and thermoplastic resin comprising the same

Disclosed is a polycarbonate-based thermoplastic composition comprising (A) a polycarbonate resin, (B) a rubber-modified acrylic graft copolymer resin and (C) a copolymer resin comprising a silicone-based compound. The polycarbonate based thermoplastic resin composition has superior fluidity without decrease of impact strength and heat resistance due to introduction of a copolymer comprising a silicone-based compound into a polycarbonate resin.

Polycarbonate-based thermoplastic resin composition and molded article

Provided are a styrene-based copolymer prepared from a mixture including (A) an aromatic vinyl-based compound, (B) an unsaturated nitrile-based compound, and (C) a silicone-based compound having two or more unsaturated reactive groups to thereby be capable of implementing a uniform and excellent low gloss property with minimal or no deterioration of physical properties such as impact resistance, heat resistance, and the like, and a thermoplastic resin composition including the same.

Styrene-based copolymer and thermoplastic resin composition including the same

A low gloss thermoplastic resin composition can have improved scratch resistance, and includes a silicon compound-grafted aromatic vinyl-vinyl cyanide-based copolymer to improve mechanical physical properties such as scratch resistance, and the like, and to implement low gloss property. The low gloss composition can be used in a vehicle interior material.

Low gloss thermoplastic resin composition having improved scratch resistance

Disclosed herein is a thermoplastic (meth)acrylate copolymer, which includes a derivative unit obtained from a monomer mixture including: (A) an aromatic (meth)acrylate having an index of refraction from about 1.580 to about 1.700; and (B) a monofunctional unsaturated monomer.

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Uiwang-si, South Korea

Joo Hyun Jang