THERMOPLASTIC RESIN COMPOSITION HAVING EXCELLENT CHEMICAL RESISTANCE

Provided is a polycarbonate-based thermoplastic resin composition which is excellent in chemical resistance and impact resistance by using highly heat-resistant polycarbonate resin and a core-shell graft copolymer. The composition comprises 60-98 parts by weight of a polycarbonate resin; 1-30 parts...

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Bibliographic Details
Main Authors LEE, HAN SU, LEE, BYUNG CHOON, MIN, SUNG SIG
Format Patent
LanguageEnglish
Published 06.12.2006
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Provided is a polycarbonate-based thermoplastic resin composition which is excellent in chemical resistance and impact resistance by using highly heat-resistant polycarbonate resin and a core-shell graft copolymer. The composition comprises 60-98 parts by weight of a polycarbonate resin; 1-30 parts by weight of a highly heat-resistant polycarbonate resin; and 0.5-30 parts by weight of a core-shell graft copolymer. Preferably the polycarbonate resin is selected from the group consisting of a linear polycarbonate, a branched polycarbonate and a polyester carbonate copolymer; and the core-shell graft copolymer is prepared by grafting a rubber selected from the group consisting of a C4-C6 diene-based rubber, an acrylate-based rubber, a silicone-based rubber and their mixture, and at least one material selected from the group consisting of a C1-C8 alkyl methacrylate, a C1-C8 methacrylic acid ester, maleic anhydride and a C1-C4 alkyl or phenyl nucleus-substituted maleimide.
Bibliography:Application Number: KR20050047238