酯基有机硅季铵盐合成工艺的响应面优化及表面性能

doi:10.13218/j.cnki.csdc.2015.08.003

日用化学工业 ›› 2015, Vol. 45 ›› Issue (8): 429-433.doi: 10.13218/j.cnki.csdc.2015.08.003

酯基有机硅季铵盐合成工艺的响应面优化及表面性能

郑成¹, 黄武欢¹, 毛桃嫣¹, 陈鹏¹, 林璟¹, 虞启明²

1.广州大学精细化工研究所,广东广州 510006;
2.格里菲斯大学工程学院,澳大利亚昆士兰 3370

收稿日期:2015-01-09 修回日期:2015-08-03 出版日期:2015-08-22 发布日期:2019-04-10
作者简介:郑成(1955-),男,广东人,教授,博士生导师,E-mail:zhengcheng5512@163.com。
基金资助:
广东省院全面战略合作专项资金资助项目(2013B091300005)

Synthesis and surface activity of silicone based esterquat by response surface methodology

ZHENG Cheng¹, HUANG Wu-huan¹, MAO Tao-yan¹, CHEN Peng¹, LIN Jing¹, YU Qi-ming²

1.Fine Chemical Research Institute,Guangzhou University,Guangzhou,Guangdong 510006,China;
2.School of Engineering,Griffith University,Queensland 3370,Australia

Received:2015-01-09 Revised:2015-08-03 Online:2015-08-22 Published:2019-04-10

摘要/Abstract

摘要： 以自制硬脂酸甲基二乙醇胺双酯和γ-氯丙基甲基二甲氧基硅烷为原料,制备了酯基有机硅季铵盐(Si-QAS)。通过傅里叶红外光谱和核磁共振氢谱对产物的结构进行了表征。采用响应面分析法通过建立硬脂酸甲基二乙醇胺双酯的转化率与各因素之间的Central-Composite数学模型,对Si-QAS的合成工艺进行了优化。Si-QAS的最优制备工艺条件为:反应时间和微波功率分别为20.89 min和600 W,溶剂二甲基亚砜用量占体系总质量的33.1%。通过表面张力法测得25 ℃下产物水溶液的临界胶束浓度(cmc)为2.36×10^-4 mol/L,相应的表面张力(γ_cmc)为24.25 mN/m,胶束化标准自由能为-30.7 kJ/mol,吸附化标准自由能为-56.0 kJ/mol。

关键词: 酯基有机硅季铵盐, 合成, 表面活性

Abstract: A silicone based esterquat (Si-QAS) was prepared from γ-chloropropyl methyl dimethoxysilane and distearic ester of methyldiethanolamine as starting materials,which were prepared by the authors in the laboratory.The structure of the Si-QAS was characterized with Fourier transform infrared spectrum and ¹H nuclear magnetic resonance spectrum.Meanwhile,a mathematical model for relationship between the conversion rate of distearic ester of methyldiethanolamine and its affecting factors was established to optimize the synthesis process conditions for the Si-QAS.The optimized synthesis conditions are as follows:reaction time,20.89 min;microwave power,600 W;and solvent dosage,33.1%.Physical-chemical properties were investigated and the results showed that the critical micelle concentration (cmc) of the Si-QAS is 2.36×10^-4 mol/L and the corresponding γ_cmc is 24.25 mN/m.The standard free energy of formation for micellization and the standard adsorption free energy are -30.7 and -56.0 kJ/mol respectively.

Key words: silicone based esterquat, synthesis, surface activity

中图分类号:

TQ423

郑成, 黄武欢, 毛桃嫣, 陈鹏, 林璟, 虞启明. 酯基有机硅季铵盐合成工艺的响应面优化及表面性能[J]. 日用化学工业, 2015, 45(8): 429-433.

ZHENG Cheng, HUANG Wu-huan, MAO Tao-yan, CHEN Peng, LIN Jing, YU Qi-ming. Synthesis and surface activity of silicone based esterquat by response surface methodology[J]. China Surfactant Detergent & Cosmetics, 2015, 45(8): 429-433.

参考文献

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酯基有机硅季铵盐合成工艺的响应面优化及表面性能

Synthesis and surface activity of silicone based esterquat by response surface methodology

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