A THERMOPLASTIC RESIN COMPOSITION AND A HELMET MANUFACTURED BY USING THE SAME

A thermoplastic resin composition is provided to ensure excellent flexural modulus and shock resistance, low specific gravity, and excellent fluidity, and to prepare manufacture high value added helmet while satisfying standard for safety. A thermoplastic resin composition comprises polycarbonate re...

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Bibliographische Detailangaben
Hauptverfasser:	SHIN, HEE CHEOL, JOO, JUNG HIUK, KOWN, YOUNG DO, HONG, SUNG MIN, KIM, DOE
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A thermoplastic resin composition is provided to ensure excellent flexural modulus and shock resistance, low specific gravity, and excellent fluidity, and to prepare manufacture high value added helmet while satisfying standard for safety. A thermoplastic resin composition comprises polycarbonate resin 45~74 weight%, styrene/acrylonitrile resin 10~20 weight%, acrylonitrile/butadiene/styrene resin 15~25 weight% and polymethylmethacrylate 1~10 weight%. The molecular weight of the polycarbonate resin is 18,000~30,000. The average molecular weight of the styrene/acrylonitrile resin is 50,000~300,000.