Thermoplastic resin composition and molded article therefrom

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12252612
APP PUB NO 20220243056A1
SERIAL NO

17607165

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Abstract

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A thermoplastic resin composition according to the present invention comprises: about 100 parts by weight of a polycarbonate resin; about 5 to about 15 parts by weight of a first rubber-modified vinyl-based graft copolymer in which a monomer mixture is graft-polymerized to a rubber polymer, the monomer mixture containing an aromatic vinyl-based monomer and a cyanovinyl-based monomer; about 2 to about 8 parts by weight of a second rubber-modified vinyl-based graft copolymer in which an alkyl (meth)acrylate-based monomer is graft-polymerized to a rubber polymer; about 0.5 to about 2 parts by weight of a siloxane copolyester; about 17 to about 40 parts by weight of talc; and about 13 to about 23 parts by weight of a phosphorus-based flame retardant, wherein the weight ratio of the first rubber-modified vinyl-based graft copolymer to the second rubber-modified vinyl-based graft copolymer is about 1:0.15 to about 1:0.8, and the weight ratio of the combined weight of the first rubber-modified vinyl-based graft copolymer and the second rubber-modified vinyl-based graft copolymer to the siloxane copolyester is about 1:0.03 to about 1:0.1. The thermoplastic resin composition is excellent in terms of impact resistance, hardness, mar resistance, flame retardancy, physical property balance thereof, and the like.

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Patent Owner(s)

  • LOTTE CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kang, Tae Gon Uiwang-si, KR 37 139
Park, Sang Ki Uiwang-si, KR 20 149

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