POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME

PROBLEM TO BE SOLVED: To provide a polycarbonate resin composition which is excellent in surface hardness, weatherability and the like, and has functions of intercepting visible light and selectively transmitting near infrared rays.SOLUTION: A polycarbonate resin composition includes a dye and a pol...

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Bibliographische Detailangaben
Hauptverfasser:	TANAKA TOMOHIKO, KOSUGE SATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polycarbonate resin composition which is excellent in surface hardness, weatherability and the like, and has functions of intercepting visible light and selectively transmitting near infrared rays.SOLUTION: A polycarbonate resin composition includes a dye and a polycarbonate resin containing at least a structural unit derived from a dihydroxy compound having a site represented by formula (1). A plate-shaped molded article obtained by molding the polycarbonate resin composition has an average transmittance at wavelengths of 400-650 nm is 40% or less and an average transmittance at wavelengths of 800-1,000 nm is 65% or more. Since the molded article obtained by molding the polycarbonate resin composition can intercept visible light and selectively transmit near infrared rays, it can be suitably used as a window for a monitoring camera allowing a camera arranged inside to achieve its function, except when the site represented by formula (1) is a part of -CH-O-H.