| 农药微乳液相行为及微乳结构的研究 |
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| 引用本文： | 张晓光,张高勇,王红霞,周雅文,陈志萍.农药微乳液相行为及微乳结构的研究[J].精细化工,2003,20(8):475-477,512. |
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| 作者姓名： | 张晓光 张高勇 王红霞 周雅文 陈志萍 |
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| 作者单位： | 中国日用化学工业研究院,山西,太原,030001 |
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| 基金项目： | 国家自然科学基金资助项目(20073061)，山西省留学回国人员基金资助项目(2000104)，山西省自然科学基金资助项目(20001020) |
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| 摘 要： | 首先绘制了LAS/TX—10/正丁醇/仲丁威/水体系的拟三元相图,讨论了m(LAS)/m(LAS+TX—10)及m(正丁醇)/m(LAS+TX—10)对相区的影响。发现m(LAS)/m(LAS+TX—10)越高,液晶区越大;比例越低,乳液区越大。m(正丁醇)/m(LAS+TX—10)越低,液晶区越大;比例越高,液晶区越小。通过电导率的测定研究了微乳结构及结构转变。当m(正丁醇)/m(LAS+TX—10)=1,m(LAS)/m(TX—10)=1/9或6/4时,微乳液转变经历了由W/O到双连续最后到O/W型;m(LAS)/m(TX—10)=9时,微乳液转变经历了由W/O到双连续、液晶最后到O/W型。
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| 关 键 词： | 表面活性剂 相行为 微乳液 微乳结构 电导率 仲丁威 |
| 文章编号： | 1003-5214(2003)08-0475-04 |
Study of Phase Behavior and Microstructure of Agrochemical Microemulsion |
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| ZHANG Xiao-guang,ZHANG Gao-yong,WANG Hong-xia,ZHOU Ya-wen,CHEN Zhi- ping.Study of Phase Behavior and Microstructure of Agrochemical Microemulsion[J].Fine Chemicals,2003,20(8):475-477,512. |
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| Authors: | ZHANG Xiao-guang ZHANG Gao-yong WANG Hong-xia ZHOU Ya-wen CHEN Zhi- ping |
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| Abstract: | Phase diagrams of the LAS/TX-10/butanol/fenobucarb syst em were presented. The weight ratios of LAS to (LAS+TX-10) and butanol to (LAS +T X-10) had a significant influence on the phase region.The higher the ratio of LAS to ( LAS +TX-10),the bigger the liquid crystal region;and the lower the rat io,the bigger the emulsion region.The lower the weight ratio of butanol to ( LAS +TX-10),the bigger the liquid crystal region;and the higher the ratio,the smal ler the region.Microstructure was studied by conductivity measurement.When the w eight ratio of butanol to (LAS+TX-10) was 1,and the weight ratio of LAS to TX- 10 were 1/9 or 6/4,the microstructure underwent a continuous change,namely from W/O structure through bicontinuous structure to O/W structure.When the weight r atio of LAS to TX-10 was 9,there was a liquid crystal region after bicontinuous . |
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| Keywords: | surfactant phase behavior microemulsion microstructure con ductivity fenobucarb |
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