发明名称 METHOD OF REMOVING ALKYLENE HALOGENOHYDRIN FROM CELLULOSE ETHER
摘要 In a method of removing alkylene halogenohydrin from a cellulose ether the cellulose ether is provided, water is added to the cellulose ether and subsequently alkylene halogenohydrin and water is removed from the cellulose ether by evaporation. Alternatively steam or a steam mixture can be sparged across or through the cellulose ether to remove halogenohydrin from the cellulose ether.
申请公布号 EP2736614(B1) 申请公布日期 2016.06.29
申请号 EP20120738364 申请日期 2012.07.17
申请人 DOW GLOBAL TECHNOLOGIES LLC 发明人 ENGELMAN, RICHARD A.;ZIETTLOW, DAVID W.;SCHEID JR., ROBERT E.;MALLON, CHARLES B.;SPREHE, MATTHIAS;ARTHUR, ANDREW C.
分类号 B01D1/00;B01D3/00;C08B1/06;C08B11/02;C08B11/08;C08B11/193 主分类号 B01D1/00
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