WEATHER RESISTANT STYRENE RESIN LAMINATE

PROBLEM TO BE SOLVED: To obtain both mechanical strength and weatherability by laminating, on a styrene resin base, a film composed of a polycarbonate resin composition containing a specified amount of bisbenzotriazole compound represented by a specified formula. SOLUTION: A film, which is composed...

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Hauptverfasser: AKATA ATSUO, MORI KOJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain both mechanical strength and weatherability by laminating, on a styrene resin base, a film composed of a polycarbonate resin composition containing a specified amount of bisbenzotriazole compound represented by a specified formula. SOLUTION: A film, which is composed of a polycarbonate resin composition containing 1-50 wt.% of a bisbenzotriazole compound represented by a formula I [wherein A is bonded directly, or represents a 1-6 C alkylene group or the like; R and R are identical or different and each represents a hydrogen atom, a 1-4 C alkyl group, an allyl group, a 1-4 C alkoxy group or a halogen atom; R and R are identical or different and each represents a formula II (wherein R is bonded directly, or represents a 1-12 C straight-chain or branched alkylene group; R and R are identical or different, and each represents a hydrogen atom or a 1-10 C alkyl group; (m) is an integer of 1-20; and (n) is an integer of 1-10)] is laminated on an entire surface of a styrene resin base.