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发明名称
一类高效稠油破乳剂的制备方法
摘要
本发明将多支链的环氧乙烷(Eo),环氧丙烷(Po)嵌段共聚醚硫酸化,然后添加特殊增效添加剂及溶剂得到一类高效稠油破乳剂、试验表明,这类破乳剂对稠油的脱水速率为常规破乳剂的10-100倍。
申请公布号
CN1012134B
申请公布日期
1991.03.27
申请号
CN88107715.1
申请日期
1988.11.07
申请人
西安石油学院
发明人
徐家业;屈撑囤;范仲勇;史俊;陈茂涛
分类号
B01D17/05
主分类号
B01D17/05
代理机构
代理人
主权项
1.一类高效稠油破乳剂的制备方法,该方法是以烷基酚醛树脂为起始剂与环氧乙烷和环氧丙烷聚合形成嵌段共聚醚,其特征在于对该聚醚进行硫酸化,硫酸化用的试剂为氧磺酸、浓硫酸、三氧化硫或发烟硫酸,反应在0℃左右进行,反应结束后逐渐回升至室温,溶剂采用氯仿、异丙醇等极性溶剂。
地址
陕西省西安市陵园路南端
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