MATTE POLYCARBONATE RESIN COMPOSITION

PURPOSE:To provide the titled resin compsn. which gives moldings having a matte surface and excellent impact resistance and does not cause silver streaking during molding, by blending a polycarbonate, an inorg. filler and specified polymers. CONSTITUTION:The titled compsn. consists of 100pts.wt. pol...

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Bibliographische Detailangaben
1. Verfasser:	OOHARA OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the titled resin compsn. which gives moldings having a matte surface and excellent impact resistance and does not cause silver streaking during molding, by blending a polycarbonate, an inorg. filler and specified polymers. CONSTITUTION:The titled compsn. consists of 100pts.wt. polycarbonate resin, 3- 40pts.wt. inorg. filler having an average particle size of 1-10mu, 1-15pts.wt. acrylic copolymer [e.g. a methyl (meth)acrylate/ethylene copolymer] and 0.5- 10pts.wt. polyolefin selected from among PE, PP, polymethylpentene and an ethylene/propylene copolymer and gives moldings having surface characteristics such that specular glossiness at 45 deg. is 60 or below. This compsn. does not cause silver streaking during molding and gives moldings having a matte surface and excellent impact resistance. This compsn. is suitable for use in the production of an automotive outer wheel, trim material and office automation apparatus which require glare-inhibiting properties and impact resistance.