发明名称 PHOTOCHROMIC POLYCARBONATE COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES COMPRISING THE SAME
摘要 A photochromic polycarbonate composition including: a polycarbonate comprising bisphenol A carbonate units; a cycloaliphatic polyester comprising units of the formula (5) wherein R is a C2-12 alkylene or a C3-12 cycloalkylene; and a photo-chromic dye; wherein the composition has a transmission of 80% or more and a haze of 3% or less, measured according to ASTM D1003 (2007) using the color space CIE1931 (Illuminant C and a 2° observer) at a thickness of 1.5 mm.;
申请公布号 US2017009073(A1) 申请公布日期 2017.01.12
申请号 US201515113140 申请日期 2015.01.23
申请人 SABIC GLOBAL TECHNOLOGIES B.V. 发明人 WEN LIANG;WANG HUIHUI
分类号 C08L69/00;G02B5/23;B29C45/00;B29C47/00;B29C49/00;C08L67/02;G02B5/22 主分类号 C08L69/00
代理机构 代理人
主权项 1. A photochromic polycarbonate composition comprising: a polycarbonate comprising bisphenol A carbonate units; a cycloaliphatic polyester comprising units of the formulawherein R is a C2-12 alkylene or a C3-12 cycloalkylene; and a photochromic dye; wherein the composition has a transmission of 80% or more and a haze of 3% or less, measured according to ASTM D1003 (2007) using the color space CIE1931 (Illuminant C and a 2° observer) at a thickness of 1.5 mm.
地址 Bergen op Zoom NL