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 |