| 发明名称 |
Molded polycarbonate articles having improved optical and processing properties |
| 摘要 |
A transparent sheet having improved optical properties is disclosed. The sheet that features a deviation angle alpha<SUB>epsilon</SUB> (min) according to DIN 52305-A-AS of <=2.0 and a refracting power D<SUB>epsilon</SUB> (min) according to DIN 52305-A-AZ of <=0.05, is prepared by extruding a molding composition comprising linear (co)polycarbonate having weight average molecular weight of 25,000 to 31,000.
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| 申请公布号 |
US7201964(B2) |
申请公布日期 |
2007.04.10 |
| 申请号 |
US20040990596 |
申请日期 |
2004.11.17 |
| 申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
ANDERS SIEGFRIED;GORNY RUEDIGER;SCHWARZ PETER;RUEDIGER CLAUS;ROEHNER JUERGEN |
| 分类号 |
B32B27/36;B29C47/06;B29C47/14;B29C51/00;B32B37/15;C08G64/04;C08G64/06;C08L69/00 |
主分类号 |
B32B27/36 |
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