发明名称 Process for producing a polycarbonate resin
摘要 A process for producing a polycarbonate resin through the melt polycondensation of an aromatic diol compound and a carbonic acid diester compound, wherein(1) valves, (2) gear pumps, (3) flanges and (4) flow passages having the specified structures and characteristic properties are used in the production process.According to the present invention, a high-quality polycarbonate can be obtained by an industrial process.
申请公布号 US6252034(B1) 申请公布日期 2001.06.26
申请号 US19990324053 申请日期 1999.06.02
申请人 TELJIN LIMITED 发明人 UENISHI KAZUHIRO;SHIMONARU MASASHI;SAWAKI TORU;SASAKI KATSUSHI
分类号 C08G64/20;C08G64/30;(IPC1-7):C08G64/00 主分类号 C08G64/20
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