| 发明名称 |
POLYCARBONAT-MASSIVFORMKÖRPER MIT VERBESSERTEN OPTISCHEN UND VERARBEITUNGSTECHNISCHEN EIGENSCHAFTEN |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
DE502004005989(D1) |
申请公布日期 |
2008.03.06 |
| 申请号 |
DE20045005989T |
申请日期 |
2004.11.09 |
| 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 |
| 代理机构 |
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代理人 |
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