发明授权
US5043403A Polycarbonates containing mesogenic compounds as end groups, their
preparation and their use
失效
含有介晶化合物作为端基的聚碳酸酯，其制备及其用途
- 专利标题： Polycarbonates containing mesogenic compounds as end groups, their preparation and their use
- 专利标题（中）： 含有介晶化合物作为端基的聚碳酸酯，其制备及其用途
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申请号： US366897申请日： 1989-06-15
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公开(公告)号： US5043403A公开(公告)日： 1991-08-27
- 发明人: Ralf Dujardin , Harald Pielartzik , Rolf Dhein
- 申请人： Ralf Dujardin , Harald Pielartzik , Rolf Dhein
- 申请人地址： DEX Bayerwerk
- 专利权人： Bayer Aktiengesellschaft
- 当前专利权人： Bayer Aktiengesellschaft
- 当前专利权人地址： DEX Bayerwerk
- 优先权： DEX3821340 19880624
- 主分类号： G02B1/04
- IPC分类号： G02B1/04 ; C08G64/00 ; C08G64/14 ; G11B7/2534
摘要：
This invention relates to thermoplastic, aromatic polycarbonates in which mesogenic compounds corresponding to the following formula ##STR1## 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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