发明名称 |
VERFAHREN ZUM ENDGRUPPENVERSCHLIESSEN VON POLYCARBONATHARZEN |
摘要 |
A method for end capping polycarbonate resins, comprising the step of processing a mixture comprising a polycarbonate having free hydroxyl-end groups and an end-capping reagent in a melt transesterification reaction to produce a polycarbonate resin, wherein the end-capping reagent comprises a mixture of: (a) at least one species of a symmetrical activated aromatic carbonate, and (b)at least one species of an optionally-substituted phenol, whereby said end-capping reagent reacts with at least some of the free hydroxyl end-groups of the polycarbonate to produce an end-capped polycarbonate resin. |
申请公布号 |
DE60213270(T2) |
申请公布日期 |
2007.07.12 |
申请号 |
DE2002613270T |
申请日期 |
2002.10.10 |
申请人 |
GENERAL ELECTRIC CO. |
发明人 |
BRACK, PETER;KARLIK, DENNIS;HOEKS, LAMBERTUS;DRIS, IRENE;WHITNEY, JOHN MORGAN |
分类号 |
C08G64/14;C08G64/30 |
主分类号 |
C08G64/14 |
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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