发明授权
- 专利标题： Aromatic formals as additives for lowering the water uptake of polycarbonates
- 专利标题（中）： 芳香族作为降低聚碳酸酯吸水性的添加剂
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申请号： US10921398申请日： 2004-08-19
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公开(公告)号： US07314897B2公开(公告)日： 2008-01-01
- 发明人: Helmut-Werner Heuer , Rolf Wehrmann , Friedrich-Karl Bruder
- 申请人： Helmut-Werner Heuer , Rolf Wehrmann , Friedrich-Karl Bruder
- 申请人地址： DE Leverkusen
- 专利权人： Bayer MaterialScience AG
- 当前专利权人： Bayer MaterialScience AG
- 当前专利权人地址： DE Leverkusen
- 代理商 Noland J. Cheung; Aron Preis; Robert S. Klemz
- 优先权： DE10338909 20030823
- 主分类号： C08K5/06
- IPC分类号： C08K5/06
摘要：
A thermoplastic molding composition comprising polycarbonate and at least one aromatic formal is disclosed. The formal conforms to The composition that is characterized by its reduced water uptake, is useful especially for the production of optical data carriers, such as compact discs.
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