| 发明名称 | Polycarbonate compositions having enhanced optical properties, methods of making and articles comprising the polycarbonate compositions | ||
| 摘要 | In some embodiments, a composition comprises a bisphenol-A polycarbonate, wherein a molded article of the composition has transmission level greater than or equal to 90.0% at 2.5 mm thickness as measured by ASTM D1003-00 and a yellow index (YI) less than or equal to 1.5 as measured by ASTM D1925. | ||
| 申请公布号 | US9290618(B2) | 申请公布日期 | 2016.03.22 |
| 申请号 | US201213565292 | 申请日期 | 2012.08.02 |
| 申请人 | SABIC GLOBAL TECHNOLOGIES B.V. | 发明人 | de Brouwer Johannes;Eijsbouts Paulus Johannes Maria;Belfadhel Hatem Abdallah;van den Bogerd Jos Arie |
| 分类号 | C08G64/06;C08G64/28;C08L69/00;C08G64/24;C08J5/18;H01L33/56 | 主分类号 | C08G64/06 |
| 代理机构 | Cantor Colburn LLP | 代理人 | Cantor Colburn LLP |
| 主权项 | 1. A composition comprising: bisphenol-A polycarbonate, wherein a molded article of the composition has transmission level greater than or equal to 90.0% at 2.5 mm thickness as measured by ASTM D1003-00, a yellow index (YI) less than or equal to 1.5 as measured by ASTM D1925, and an increase in yellow index of less than 2 during 2,000 hours of heat aging at 130° C., wherein the bisphenol-A polycarbonate comprises less than or equal to 150 ppm free hydroxyl groups and has a sulfur content of less than 2 ppm. | ||
| 地址 | NL | ||