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>