发明名称 PREPARATION OF SILOXANE-CONTAINING BLOCK COPOLYCARBONATES BY MEANS OF REACTIVE EXTRUSION
摘要 The present invention relates to a process for preparing polysiloxane-polycarbonate block cocondensates proceeding from specific polycarbonates and hydroxyaryl-terminated polysiloxanes. More particularly, the present invention relates to the preparation of the said block cocondensates by means of a reactive extrusion.
申请公布号 US2016244559(A1) 申请公布日期 2016.08.25
申请号 US201415027750 申请日期 2014.10.06
申请人 COVESTRO DEUTSCHLAND AG 发明人 Meyer Alexander;HORN Klaus;RUDOLF Reiner;LIESENFELDER Ulrich;KÖNIG Thomas
分类号 C08G64/18 主分类号 C08G64/18
代理机构 代理人
主权项
地址 Leverkusen DE