发明名称 AROMATIC POLYCARBONATE RESINS FOR OPTICAL DISK SUBSTRATES
摘要 The present invention provides an aromatic polycarbonate resin product for producing optical disc substrates of high reliability at high molding yield. <??>The aromatic polycarbonate resin for optical disc substrates is produced by adding 0.015 to 0.05 parts by mass of a C14-C30 fatty acid monoglyceride to 100 parts by mass of an aromatic polycarbonate resin, adding water having an electric conductivity, as measured at 25 DEG C, of 1 mu S/cm or less to the resin, the water content of the resin being controlled to 0.05 to 0.3 mass%, melt-extruding the water-added resin, cooling, and cutting to form pellets, the resin having a viscosity average molecular weight (Mv) of 10,000 to 20,000.
申请公布号 EP1477527(A1) 申请公布日期 2004.11.17
申请号 EP20030705154 申请日期 2003.02.14
申请人 IDEMITSU PETROCHEMICAL CO., LTD. 发明人 CHOSA, MUNEHIRO
分类号 C08J3/12;C08K5/103;C08G64/14;C08L69/00;G11B7/253;G11B11/105;(IPC1-7):C08L69/00 主分类号 C08J3/12
代理机构 代理人
主权项
地址