发明名称 ポリカーボネートの製造方法
摘要 A subject for the invention is to provide a polycarbonate having excellent mechanical strength, heat resistance, a low refractive index, a large Abbe number, reduced birefringence, and excellent transparency. The invention relates to a polycarbonate characterized by being obtained by subjecting one or more dihydroxy compounds including a dihydroxy compound having at least one linking group -CH 2 -O-in the molecule thereof to melt polycondensation with a carbonic acid diester, and by having a reduced viscosity of from 0.40 dL/g to 1.70 and a formic acid content lower than 5 ppm by weight.
申请公布号 JP5857406(B2) 申请公布日期 2016.02.10
申请号 JP20110012174 申请日期 2011.01.24
申请人 三菱化学株式会社 发明人 藤 通昭;並木 慎悟;山本 正規
分类号 C08G64/02 主分类号 C08G64/02
代理机构 代理人
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