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不同金属反离子对含高效氯氟氰菊酯微乳液形成规律及其稳定性的研究
引用本文:刘钰,路福绥,陈甜甜,高翠丽,朱恒营,赵辉.不同金属反离子对含高效氯氟氰菊酯微乳液形成规律及其稳定性的研究[J].高等学校化学学报,2007,28(5):909-912.
作者姓名:刘钰  路福绥  陈甜甜  高翠丽  朱恒营  赵辉
作者单位:山东农业大学化学与材料科学学院,泰安,271018
摘    要:将十二烷基苯磺酸盐和苯乙烯化苯酚聚氧乙烯醚按摩尔比1∶1混合后, 结合5种金属反离子配成增溶高效氯氟氰菊酯的载药微乳体系, 研究其在导电机理、相行为及热贮稳定性上的差异. 结果表明, K+和Na+的十二烷基苯磺酸盐易于形成O/W型微乳液, Li+次之, Ca2+和Mg2+的十二烷基苯磺酸盐, 不利于形成O/W型微乳液.

关 键 词:反离子  高效氯氟氰菊酯  微乳液  稳定性
文章编号:0251-0790(2007)05-0909-04
收稿时间:2006-09-08
修稿时间:2006-09-08

Studies on the Effect of Different Coherer Counter-ions on Forming Rule and Stability of Cyhalothrin Microemulsion
LIU Yu,LU Fu-Sui,CHEN Tian-Tian,GAO Cui-Li,ZHU Heng-Ying,ZHAO Hui.Studies on the Effect of Different Coherer Counter-ions on Forming Rule and Stability of Cyhalothrin Microemulsion[J].Chemical Research In Chinese Universities,2007,28(5):909-912.
Authors:LIU Yu  LU Fu-Sui  CHEN Tian-Tian  GAO Cui-Li  ZHU Heng-Ying  ZHAO Hui
Institution:College of Chemistry and Materials Science, Shandong Agricultural University, Tai'an 271018, China
Abstract:The differences of electric mechanism, phase behavior and high temperature stability of cyhalothrin drug-loading microemulsion were investigated when the dodecyl benzenesulfonic salts(DBS-) combined with five coherer counter-ions and polyoxyethylene styrenyl ether were mixed at the same molar ratio. The results show that K+ and Na+ were propitious to the formation of O/W microemulsion because DBSK and DBSNa had the strong water-solubility, and the hydrated radius of K+ and Na+ were small,which induced big bingding degrees of the counter-ions with the hydronium garret group. The O/W microemulsion could also form when the counter-ion was Li+ , but it was worse than K+ and Na+. Ca2+ and Mg2+ dodecyl benzenesulfonic salts are lipophilic surfactants, and thus were not propitious to the formation of O/W microemulsion.
Keywords:Counter-ion  Cyhalothrin  Microemulsion  Stability
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