发明名称 |
Polycarbonates containing mesogenic compounds as end groups, their preparation and their use |
摘要 |
This invention relates to thermoplastic, aromatic polycarbonates in which mesogenic compounds corresponding to the following formula <IMAGE> (I) are incorporated as chain terminating agents, to their preparation by the known processes for the preparation of polycarbonates, and to their use for the production of moulded articles for optical purposes.
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申请公布号 |
US5043403(A) |
申请公布日期 |
1991.08.27 |
申请号 |
US19890366897 |
申请日期 |
1989.06.15 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
DUJARDIN, RALF;PIELARTZIK, HARALD;DHEIN, ROLF |
分类号 |
G02B1/04;C08G64/00;C08G64/14;G11B7/253 |
主分类号 |
G02B1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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