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

doi:10.13218/j.cnki.csdc.2017.12.004

摘要/Abstract

摘要： 对异构十醇聚氧乙烯醚(IC₁₀EO_n)、十二烷基苯磺酸钠(LAS)和脂肪醇聚氧乙烯(2)醚硫酸钠(C_12~14E₂S)的水溶性进行分析,研究了LAS和C_12~14E₂S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C_12~14E₂S复配体系的润湿力、泡沫性能、去污力等。结果表明,在25 ℃下,当IC₁₀EO_n的EO加合数为3,8和9时可与水以任意比例互溶,不会形成凝胶;在IC₁₀EO₈与LAS和C_12~14E₂S的复配体系中,当LAS和C_12~14E₂S的质量分数大于0.6%时,浊点迅速上升;IC₁₀EO₈与LAS和C_12~14E₂S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C_12~14E₂S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。

关键词: 异构十醇聚氧乙烯醚, 阴离子表面活性剂, 复配, 性能

Abstract: The water solubility of isodecyl alcohol ethoxylates (IC₁₀EO_n),sodium dodecyl benzene sulfonate (LAS) and sodium fatty alcohol ether sulphate (C_12~14E₂S) was measured.The effect of LAS and C_12~14E₂S on the cloud point of IC₁₀EO₈ was studied,while the performance of blend systems composed of LAS,C_12~14E₂S 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 C_12~14E₂S 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 C_12~14E₂S ranges from 3∶1 to 1∶3.The blend systems show best wetting power when the mass ratio of IC₁₀EO₈ and LAS or C_12~14E₂S 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 C_12~14E₂S,while the variation of foam stability is irregular.The detergency of IC₁₀EO₈ is enhanced by adding anionic surfactant.

Key words: isodecyl alcohol ethoxylate, anionic surfactant, blend, performance

中图分类号:

TQ423

张瑞林, 孙永强, 郭建国. 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[J]. 日用化学工业, 2017, 47(12): 677-680.

ZHANG Rui-lin, SUN Yong-qiang, GUO Jian-guo. Study on performance of blend systems composed of isodecyl alcohol ethoxylates and anionic surfactants[J]. China Surfactant Detergent & Cosmetics, 2017, 47(12): 677-680.

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