发明名称 POLYCARBONATE RESIN FOR LIQUID CRYSTAL MEMBERS, POLYCARBONATE RESIN COMPOSITION FOR LIQUID CRYSTAL MEMBERS WHICH CONTAINS SAME, AND LIQUID CRYSTAL MEMBER
摘要 Provided is a polycarbonate resin for a liquid crystal member, which is produced by using an end terminator containing 3-pentadecylphenol obtained from a natural product, and which has a YI value of 1.1 or less or a light transmittance at a wavelength of 400 nm of 85% or more.
申请公布号 US2016083513(A1) 申请公布日期 2016.03.24
申请号 US201414785499 申请日期 2014.04.17
申请人 IDEMITSU KOSAN CO., LTD. 发明人 MARUYAMA Junpei;TASHIRO Hironori;MIYAGAWA Toshifumi;SHIBATA Masayuki;YAMADA Aki;SUGA Koichi;NAKAYAMA Yumi
分类号 C08G64/16;F21V8/00;C08L69/00 主分类号 C08G64/16
代理机构 代理人
主权项 1. A polycarbonate resin, which is produced by using an end terminator comprising 3-pentadecylphenol obtained from a natural product, the polycarbonate resin having a YI value of 1.1 or less, where the YI value is measured by: adding 500 ppm by mass of bis(2,6-di-t-butyl-4-methylphenyl)pentaerythritol phosphite to the polycarbonate resin to form a mixture, melting the mixture, kneading the mixture, and extruding the mixture with a vented single screw extruder of 40 mmφ at a resin temperature of 280° C. and a screw rotation speed of 100 rpm to obtain a pellet, molding the pellet into a molded article having a thickness of 3 mm, and measuring the molded article with a spectrophotometer by a transmission method at a measurement area of 30φ under a C2 light source.
地址 Tokyo JP