发明名称 Method of crystallizing polycarbonate prepolymer
摘要 The invention relates to a method of crystallizing an aromatic polycarbonate prepolymer having a molecular weight of from about 1,000 to about 20,000 and having from about 5 to about 95 mole % aryl carbonate terminal end groups, based on total end groups, the method comprising effecting contact of the prepolymer with a crystallizing agent comprising an alcohol, preferably, at least 95% by weight of an alcohol.
申请公布号 AU5786200(A) 申请公布日期 2001.03.05
申请号 AU20000057862 申请日期 2000.07.05
申请人 GENERAL ELECTRIC COMPANY 发明人 JAMES DAY;SUKHENDU BIKASH HAIT
分类号 C08G64/20;C08G64/40 主分类号 C08G64/20
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