Lotte Advanced Materials Co., Ltd.

Samsung Sdi Co., Inc.

Cheil Industries Inc.

Ki Bo Chang

Il Jin Kim

Kwang Soo Park

Bo Eun Kim

Jae Won Heo

Sung Hun Kim

Kee Hae Kwon

Yu Jin Jung

Young Sub Jin

Gwang Hwan Lee

Hyung Rang Moon

Mi Sun Kim

Joo Hyun Jang

Han Su Lee

Jae Keun Hong

Ju Sung Kim

Doo Han Ha

Jun Hwan Ahn

Yu Ho Kim

Sung Il Myung

Dong Wook Jung

Jae Hun Jung

Jun Hong Park

Beom Ho Kim

Jeong Tae Kim

Yun Kyu Lee

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

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

Provided are a preparation method of a thermoplastic resin composition and a thermoplastic resin composition prepared therefrom. The preparation method includes: feeding a first thermoplastic resin in a molten state into a first hopper and feeding an impact reinforcing agent including a predetermined content of moisture into a second hopper, followed by kneading and extruding processes, and removing the moisture in a first vent port and a second vent port, wherein the first hopper, the first vent port, the second hopper, a first kneading zone, and the second vent port are sequentially formed in a moving direction of an extruder. The thermoplastic resin composition prepared therefrom can have improved appearance property and improved color property by removing moisture of an impact reinforcing agent added to the thermoplastic resin composition.

Preparation method of thermoplastic resin composition and thermoplastic resin composition prepared therefrom

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

The present invention relates to a rubber-modified vinyl-based graft copolymer to which acrylic monomers containing a phenyl or phenoxy group are grafted in order to increase compatibility with a polycarbonate resin, and also relates to a thermoplastic resin composition including the rubber-modified vinyl-based graft copolymer. The thermoplastic resin composition according to the present invention can significantly improve appearance and high fluidity and can have high flowability and chemical resistance.

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

Disclosed herein is an impact modifier formed by graft polymerizing about 45 to about 70% by weight of a rubber polymer with about 30 to about 55% by weight of a methacrylate-based monomer, wherein said rubber polymer is prepared by polymerizing about 0.1 to about 1 part by weight of an antioxidant with about 100 parts by weight of a monomer mixture comprising about 30 to about 45% by weight of a diene-based monomer and about 55 to about 70% by weight of alkyl acrylate. The methacrylate-based resin composition of the present invention using the aforementioned impact modifier may have improved transparency, impact resistance and a good appearance.

Impact modifier, method for preparing the same and scratch resistant methacrylate resin composition using the same

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Uiwang-si, South Korea

Ki Bo Chang