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公开(公告)号:US08592550B2
公开(公告)日:2013-11-26
申请号:US12988564
申请日:2009-04-20
CPC分类号: C08G64/34 , C08G18/44 , C09D169/00
摘要: Characterized in that the polymerization is carried out in a single step in the presence of a chain transfer agent. Preferred chain transfer agents are polyols. The invention also relates to branched polycarbonates that have functional hydroxyl end-groups.
摘要翻译: 其特征在于聚合在链转移剂存在下在一个步骤中进行。 优选的链转移剂是多元醇。 本发明还涉及具有官能羟基端基的支链聚碳酸酯。
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公开(公告)号:US20110092643A1
公开(公告)日:2011-04-21
申请号:US12988564
申请日:2009-04-20
IPC分类号: C09D169/00 , C08G65/26
CPC分类号: C08G64/34 , C08G18/44 , C09D169/00
摘要: Characterized in that the polymerization is carried out in a single step in the presence of a chain transfer agent. Preferred chain transfer agents are polyols. The invention also relates to branched polycarbonates that have functional hydroxyl end-groups.
摘要翻译: 其特征在于聚合在链转移剂存在下在一个步骤中进行。 优选的链转移剂是多元醇。 本发明还涉及具有官能羟基端基的支链聚碳酸酯。
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