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1. 发明专利

CA2137503A1 SYNTHETIC RESIN COMPOSITION AND METALLIC PIGMENT FOR INCORPORATION INTO SYNTHETIC RESIN 未知
公开(公告)号：CA2137503A1
公开(公告)日：1995-06-09
申请号：CA2137503
申请日：1994-12-07
申请人： HIRATA ATSUSHI , HIROBE KAZUSHI
发明人： HIRATA ATSUSHI , HIROBE KAZUSHI
IPC分类号： C08K3/08 , C09C1/62 , C08L101/00 , C08K3/02
摘要： The present invention relates to a synthetic resin composition for obtaining a molded article which has a metallic appearance like the brilliance of Milky Way, and is used in OA instruments, AV instruments cameras, telephones, electric shavers, wheel caps for automobiles, vessels for cosmetics, and the like. The synthetic resin composition comprises 100 parts by weight of a thermoplastic resin, and as a metallic pigment, from 0.2 to 5 parts by weight of lustrous metal particles having an average particle diameter (maximum length) of from 50 to 800 .mu.m, and a ratio .sigma./x of a standard deviation of a particle diameter (.sigma.) to an average particle diameter (x) of 0.1 or less, or from 0.2 to 10 parts by weight of lustrous metal fine pieces having an average particle diameter of from 50 to 800.mu.m, and an average shape ratio (thickness/average particle diameter) of from 1/100 to 1/8. A molded article obtained from such a synthetic resin composition exhibits an excellent metallic appearance, has an extremely excellent weld appearance property, and can be used in a highgrade molded product which is complicated and is liable to cause a weld line or a flow pattern, such as chassis for OA instruments, chassis for AV instruments, exterior covers for cameras, wheel caps for automobiles, and the like, which have not been attained by the prior art.

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