发明名称 Polyol purification
摘要 A water and allylic compound containing propoxylated glycerin stream is reduced in water content by evaporation and flashed at reduced pressure and elevated temperature to reduce the water content to 1000 ppm or less, and thereafter stripping allylic impurities from the propyxylated glycerin.
申请公布号 US6060627(A) 申请公布日期 2000.05.09
申请号 US19970074504 申请日期 1997.05.08
申请人 ARCO CHEMICAL TECHNOLOGY, L.P. 发明人 VALBERT, JON R.
分类号 C07C41/42;(IPC1-7):C07C31/18;C07C27/26 主分类号 C07C41/42
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