发明名称 |
Solvent sweeping of polycarbonates |
摘要 |
Novel thermoplastic molding compositions are disclosed which comprise a polycarbonate molding powder in admixture with a minor amount of a volatile matter entraining agent selected from the group consisting essentially of monochlorobenzene, a polyhydric material and solutions of a polyhydric material in water. A method of preparing a polycarbonate molding composition containing reduced amounts of volatile impurities is also disclosed.
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申请公布号 |
US4306057(A) |
申请公布日期 |
1981.12.15 |
申请号 |
US19790054480 |
申请日期 |
1979.07.03 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
BARKER, HENRY P.;MOTZ, GARY S.;PHIPPS, DONALD L.;WILSON, PHILLIP S. |
分类号 |
C08G64/40;C08J5/00;(IPC1-7):C08J3/00 |
主分类号 |
C08G64/40 |
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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