十二烷基苯磺酸钠/聚氧乙烯(23)月桂醚复配体系性能的研究
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摘要
在35℃时通过表面张力法研究了阴离子表面活性剂十二烷基苯磺酸钠(SDBS)和非离子表面活性剂聚氧乙烯(23)月桂醚(Brij35)复配体系在不同配比下的临界胶束浓度(CMC)和降低表面张力效率方面的作用。结果表明:SDBS和Brij35的物质的量比为3∶7时,降低表面张力的效率最高,其CMC为0.2 mmol/L,明显低于单一组分;并在总物质的量浓度一定时,测定了复配体系的稳定性和润湿性。
Critical micelle concentration( CMC) of different proportion as well as the efficiency of reducing surface tension of the mixed system of anionic surfactant sodium dodecyl benzene sulfonate( SDBS) and non-ionic surfactant polyoxyethylene( 23) lauryl ether( Brij35) has been investigated by surface tension measurement at 35 ℃. The results show that the efficiency of reducing surface tension is the most obvious when the molar ratio of SDBS and Brij35 is about 3∶ 7. In this ratio CMC is 0. 2 mmol / L,which much lower than that of the single one. Stability and wettability of the mixed system has also been measured when the total amount of substance concentration is fixed.
Critical micelle concentration( CMC) of different proportion as well as the efficiency of reducing surface tension of the mixed system of anionic surfactant sodium dodecyl benzene sulfonate( SDBS) and non-ionic surfactant polyoxyethylene( 23) lauryl ether( Brij35) has been investigated by surface tension measurement at 35 ℃. The results show that the efficiency of reducing surface tension is the most obvious when the molar ratio of SDBS and Brij35 is about 3∶ 7. In this ratio CMC is 0. 2 mmol / L,which much lower than that of the single one. Stability and wettability of the mixed system has also been measured when the total amount of substance concentration is fixed.
引文
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[2]周莉,郝放琴,刘波.PEP聚醚型非离子表面活性剂复配体系的研究[J].功能高分子学报,2001,14(1):100-104.
[3]周莉,刘波.PEP与阴离子表面活性剂复配体系泡沫性能的研究[J].功能高分子学报,2001,14(4):461-464.
[4]翁蕊,杨普华,罗幼松.阴离子/非离子表面活性剂复配体系的色谱分离研究[J].油田化学,2003,20(2):163-166.
[5]李芳田,王德山,黄敏.阴离子/非离子表面活性剂复配体系的稠油降粘性能研究[J].精细石油化工进展,2005,6(6):18-20.
[6]卢行芳,匡卫.阴离子/非离子表面活性剂复配体系的紫外可见光谱[J].西部皮革,2005,28(12):29-32.
[7]翟利民,王慧,徐健,等.盐引发阴离子/非离子表面活性剂复配体系中囊泡自发形成[J].化学学报,2007,65(1):27-31.
[8]刘金彦,韩外慧,张燕,等.阴离子与非离子表面活性剂复配体系反胶团的电导研究[J].物理化学学报,2010,26(6):1 552-1 556.
[9]王作华,张春荣,李浩程,等.表面活性剂复配体系表面扩张流变性质研究[J].吉林师范大学学报:自然科学版,2013,35(1):65-67.
[10]张国生,李永志,林长福.10%喹草烯(SYP-1924)可乳化粒剂配方研制[J].农药,2013,52(3):178-180.
[11]杨锦宗,张淑芬.表面活性剂的复配及其工业应用[J].日用化学工业,1999,29(2):28-34.
[12]王金涛,王万绪,王丰收,等.糖苷基季铵盐与十二烷基硫酸钠复配性能的研究[J].化学研究与应用,2009,21(3):344-348.
[13]史东,谷惠先,刘晓英,等.阴/阳离子表面活性剂复配体系的物化性能——不同乙氧基化数对溶解性及表面张力的影响[J].日用化学工业,2004,34(4):229-231.