发明名称 |
Process for the purification of Ti containing polycarbonate with solvent, complexing agent and water |
摘要 |
A process for the purification of polycarbonates or copolymers thereof containing titanium catalyst residues, which comprises mixing a polycarbonate or copolymers thereof with a solvent; adding to the formed solution mixture a complexing component; admixing the resulting mixture with water; and subsequently separating the polycarbonate or copolymer product therefrom.
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申请公布号 |
US4921940(A) |
申请公布日期 |
1990.05.01 |
申请号 |
US19880232089 |
申请日期 |
1988.08.15 |
申请人 |
XEROX CORPORATION |
发明人 |
ODELL, PETER G.;BARANYI, GIUSEPPA;ALEXANDRU, LUPU |
分类号 |
C08G64/42;C08G64/40 |
主分类号 |
C08G64/42 |
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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