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日用化学工业:2017,Vol.>>Issue(12):677-680
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异构十醇聚氧乙烯醚与阴离子表面活性剂复配体系的性能研究
张瑞林,孙永强,郭建国
(中轻日化科技有限公司,上海 201512)
Study on performance of blend systems composed of isodecyl alcohol ethoxylates and anionic surfactants
ZHANG Rui-lin,SUN Yong-qiang,GUO Jian-guo
(Sinolight Surfactants Technology Co., Ltd., Shanghai 201512, China)
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投稿时间:2017-08-22    
中文摘要: 对异构十醇聚氧乙烯醚(IC10EOn)、十二烷基苯磺酸钠(LAS)和脂肪醇聚氧乙烯(2)醚硫酸钠(C12~14E2S)的水溶性进行分析,研究了LAS和C12~14E2S对异构十醇聚氧乙烯(8)醚(IC10EO8)浊点的影响,同时考察了IC10EO8与LAS和C12~14E2S复配体系的润湿力、泡沫性能、去污力等。结果表明,在25 ℃下,当IC10EOn的EO加合数为3,8和9时可与水任意比例互溶,不会形成凝胶;在IC10EO8与LAS和C12~14E2S的复配体系中,当LAS和C12~14E2S的质量分数大于0.6%时,浊点迅速上升;IC10EO8与LAS和C12~14E2S的质量比在3∶1~1∶3范围内,复配体系的润湿性能优于单一表面活性剂,当IC10EO8与LAS和C12~14E2S的质量比为1∶1时,润湿性能最佳;IC10EO8的泡沫性能较差,随着阴离子表面活性剂的含量增加,复配体系起泡力逐渐增强,泡沫稳定性呈不规则变化;加入一定量的阴离子表面活性剂可提高IC10EO8的去污力。
Abstract:The water solubility of isodecyl alcohol ethoxylates (IC10EOn), sodium dodecyl benzene sulfonate (LAS) and sodium fatty alcohol ether sulphate (C12~14E2S) was measured. The effect of LAS and C12~14E2S on the cloud point of IC10EO8 was studied, while the performance of blend systems composed of LAS, C12~14E2S and IC10EO8, such as wetting power, foaming performance and detergency were examined. Results show that there is no gel phase formed in the solution of IC10EO3, IC10EO8 and IC10EO9 at 25 ℃. The cloud point of the blend systems increases rapidly when the mass fraction of LAS or C12~14E2S is higher than 0.6%. The wetting power of the blend systems is better than that of the single surfactant when the mass ratio of IC10EO8 and LAS or C12~14E2S ranges from 3∶1 to 1∶3. The blend systems show best wetting power when the mass ratio of IC10EO8 and LAS or C12~14E2S is 1∶1. Because of poor foaming power of IC10EO8, the foaming power of the blend systems increases with the increasing content of LAS or C12~14E2S, while the variation of foam stability is irregular. The detergency of IC10EO8 is enhanced by adding anionic surfactant.
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