三羟乙基苄基氯化铵蠕虫状胶束的黏度行为.pdfVIP

学兔兔 化 工 进 展 20 1 5年第 34卷第 l1期 CHEMICAL INDUSTRY AND ENGINEERING PROGRESS ·3995· 芥酸钾／三羟乙基苄基氯化铵蠕虫状胶束的黏度行为 李妮，张蕊 (西安建筑科技大学华清学院，陕西 西安 710043) 摘要：以阴离子表面活性剂芥酸钾 (KEU)与有机反离子三羟乙基苄基氯化铵 (BTHEAC)通过自组装形成的 蠕虫状胶束为主要研究对象，苯乙烯与Ⅳ，Ⅳ_孪尾取代丙烯酰胺(DiC AM)为可聚合单体，偶氮二异丙基咪唑啉 盐酸盐 (VA．044)为引发剂，在一定温度下，合成了系列增溶单体并聚合的蠕虫状胶束，通过黏度法研究了该合 成条件对蠕虫状胶束表观黏度的影响。结果表明，当单体增溶并聚合后，蠕虫状胶束表观黏度显著增大。当苯 乙烯的浓度为0．02mol／L、摩尔比n(KEU)：n(BTHEAC)=5：3、(苯乙烯)：n(DiC8AM)=5：2时，合成的蠕虫 状胶束表观黏度最大，为1320mPa·S，明显大于KEU／BTHEAC蠕虫状胶束的表观黏度，且耐温性能良好。 关键词：表面活性剂；蠕虫状胶束；表观黏度 中图分类号：TQ 423．1 文献标志码：A 文章编号：1000—6613(2015)11—3995—06 DoI：10．160850．issn．1000—6613．2015．11．027 Apparent viscosity behavior of potassium erucic／three hydroxyethyl benzyl ammonium chloride wormlike micelles LI Ni。ZHANGRui (Xi’anUniversity ofArchitecture andTechnologyHuaQingCollege，Xi’all 710043，Shaanxi，China) Abstract：The wormlike micelles were prepared by self-assembled with anionic surfactant Potassium erucic(KEU)and organic counterion three hydroxyethyl benzyl ammonium chloride(BTHEAC)． Styrene and twin tail hydrophobic monomer N,N-twin tails substituted acrylamides(DiC AM)as monomers．2,2-Azobis[2一(2一imidazolin一2一y1)propane]dihydrochloride(VA一044)acted as initiators． The new wormlike micelles，solubilized and polymerized，were synthesized at a certain temperature． The properties of worm like micelles were measured by viscometer．The results showed that the worm like micelles added with monomers and polymerized，the concentration of styrene was 0．02mol／L，the molar ratio of n(KEU)：n(BTHEAC)=5：3，n(styrene)：n(DiC8AM)=5：2，the best aDparent viscosity of