公开(公告)号：US06992148B2

公开(公告)日：2006-01-31

申请号：US10751060

申请日：2003-12-31

申请人： Thanikavelu Manimaran ,  Alvin E. Harkins, Jr. ,  Samuel H. Dubois ,  Thomas J. Callender

发明人： Thanikavelu Manimaran ,  Alvin E. Harkins, Jr. ,  Samuel H. Dubois ,  Thomas J. Callender

IPC分类号： C08C19/12 ,  C08F8/18

CPC分类号： C08F6/02 ,  C08F8/20 ,  Y02P20/584 ,  C08L25/04 ,  C08L25/18 ,  C08F12/08

摘要： A process for brominating a styrenic polymer in an organic solvent in the presence of an antimony trihalide catalyst such that a reaction mass containing brominated styrenic polymer in an organic phase is formed is improved by mixing hydrochloric acid or hydrobromic acid, or both, with said reaction mass at least once to extract antimony catalyst residues from said reaction mass as an acidic aqueous phase. Preferably, catalyst residues are recovered from the acidic aqueous phase and still more preferably, recovered antimony trihalide catalyst residues are recycled to constitute at least a portion of the antimony trihalide catalyst used in preparing the brominated styrenic polymer.

摘要翻译： 在三卤化锑催化剂的存在下，在有机溶剂中溴化苯乙烯类聚合物的方法，通过将盐酸或氢溴酸或二者混合，形成有机相中含有溴化苯乙烯类聚合物的反应物质， 质量至少一次以从酸性水相从所述反应物料中提取锑催化剂残余物。 优选地，从酸性水相中回收催化剂残余物，还更优选回收的三卤化锑催化剂残余物被再循环以构成用于制备溴化苯乙烯类聚合物的至少一部分三卤化锑催化剂。

公开(公告)号：US5955626A

公开(公告)日：1999-09-21

申请号：US248941

申请日：1999-02-12

申请人： William B. Harrod ,  Thomas J. Callender ,  David Edward Raposa

发明人： William B. Harrod ,  Thomas J. Callender ,  David Edward Raposa

IPC分类号： C07F9/02 ,  C07F9/20 ,  C07F9/14

CPC分类号： C07F9/025 ,  C07F9/20

摘要： Crude dihydrocarbylchlorothiophosphate product contaminated with dihydrocarbylpolysulfide and/or dihydrocarbylchlorophosphate is upgraded by treating the crude product with chlorine followed by an aqueous solution of reducing agent, separating an aqueous phase from the organic, then drying to obtain the resultant product.

摘要翻译： 用二烃基聚硫醚和/或二烃基氯磷酸盐污染的粗二烃基氯代硫代磷酸酯产物通过用氯处理粗产物，然后用还原剂水溶液处理，将水相与有机物分离，然后干燥得到所得产物。