发明名称 Use of esters of organic sulfur-containing acids to inhibit catalytically active impurities in polycarbonate production by melt transesterification
摘要 <p>Esters of organic sulfur-containing acids are used to inhibit catalytically active impurities in polycarbonate production by melt transesterification. An independent claim is also included for polycarbonate production in which bridged esters of organic sulfur-containing acids are added between a medium-viscosity reactor and a high-viscosity reactor. [Image] [Image] [Image] [Image] [Image] [Image] [Image] [Image] [Image] [Image] [Image] [Image] [Image].</p>
申请公布号 DE102004057348(A1) 申请公布日期 2006.06.01
申请号 DE20041057348 申请日期 2004.11.27
申请人 BAYER MATERIALSCIENCE AG 发明人 HEUER, HELMUT-WERNER;MOETHRATH, MELANIE;SNOBL, PETER;BUNZEL, LOTHAR;PFINGST, THOMAS;BUTS, MARC;SIMON, LYDIA
分类号 C08G64/20;C08K5/42 主分类号 C08G64/20
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