发明名称 POLYCARBONATE RESIN AND OPTICAL MATERIAL COMPRISING THE SAME
摘要 A polycarbonate resin which is reduced in the change of hygroscopic-expansion coefficient with changing environmental humidity, is inhibited from warping, and is suitable for use as an optical material is provided with excellent productivity. The polycarbonate resin is obtained by reacting an aromatic dihydric phenol compound (2,2-bis(4-hydroxyphenyl)propane, etc.), a compound forming a carbonic ester (phosgene, etc.), and a chain terminator represented by the following general formula (A) (dodecyl 4-hydroxybenzoate, etc.). [Chemical formula 1] (A) (In the formula (A), n is an integer of 10-20.)
申请公布号 KR20090057943(A) 申请公布日期 2009.06.08
申请号 KR20087030653 申请日期 2008.12.16
申请人 MITSUBISHI GAS CHEMICAL COMPANY, INC. 发明人 KANAGAWA TATSUYA;ANDOU KAZUHIRO
分类号 C08G64/14;C08G64/40;C08L69/00;G11B7/24;G11B7/253;G11B7/2534 主分类号 C08G64/14
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