季铵盐与双子季铵盐表面活性剂有机蒙脱土的制备及性能研究

doi:10.13218/j.cnki.csdc.2015.02.001

日用化学工业 ›› 2015, Vol. 45 ›› Issue (2): 61-65.doi: 10.13218/j.cnki.csdc.2015.02.001

• 基础研究 • 下一篇

季铵盐与双子季铵盐表面活性剂有机蒙脱土的制备及性能研究

孙晨雅, 高艳丽, 方云, 齐丽云, 姜翠翠

江南大学化学与材料工程学院食品胶体与生物技术教育部重点实验室,江苏无锡 214122

出版日期:2015-02-22 发布日期:2019-04-02
通讯作者: 齐丽云,副教授,电话:13382888602,E-mail:qilyun@126.com。
作者简介:孙晨雅(1989-),女,浙江台州人,硕士研究生,E-mail:sun8666018@126.com。
基金资助:
国家自然科学基金资助项目(21141004)

Preparation and properties of organo-montmorillonites modified separately with quaternary ammonium surfactant and Gemini quaternary ammonium surfactant

SUN Chen-ya, GAO Yan-li, FANG Yun, QI Li-yun, JIANG Cui-cui

MOE Key Laboratory of Food Colloids and Biotechnology,School of Chemical and Material Engineering, Jiangnan University,Wuxi,Jiangsu 214122,China

Online:2015-02-22 Published:2019-04-02

摘要/Abstract

摘要： 测定了十六烷基三甲基溴化铵(CTAB)和双子表面活性剂1,2-亚乙基-双(十六烷基二甲基溴化铵) (16-2-16)在蒙脱土上的吸附等温线;分别以上述2种表面活性剂为插层试剂,制备了有机蒙脱土,并采用FTIR,XRD和SEM等技术对2种有机蒙脱土层间和表面结构进行了表征;对比研究了2种有机蒙脱土在水溶液中吸附苯酚的性能。实验结果表明:16-2-16和CTAB在蒙脱土上的最大吸附量相当,但吸附层结构有显著差异;水溶液中2种有机蒙脱土对苯酚的吸附存在表面吸附和分配吸附2种机制,16-2-16有机蒙脱土分配吸附作用显著大于CTAB有机蒙脱土。

关键词: 季铵盐表面活性剂, 有机蒙脱土, 吸附层结构, 分配吸附, 表面吸附

Abstract: A series of organo-montmorillonite was prepared separately with cetyltrimethylammonium bromide (CTAB) and Gemini surfactant 1,2-bis(cetyldimethylammonio)ethane dibromide (16-2-16) as intercalation reagent on montmorillonite.Adsorption isotherms of the two kinds of surfactant on the montmorillonite were measured and the interlayer structure as well as surface structure of the organo-montmorillonites were characterized by FTIR,XRD and SEM.Performance of the two kinds of organo-montmorillonite with respect to adsorption of phenol in aqueous solution were investigated.Results showed that the maximum adsorption amount of both 16-2-16 and CTAB on montmorillonite are equivalent,but the interlayer structure of the two kinds of organo-montmorillonite is remarkably different.Two kinds of mechanism,the partition adsorption and the surface adsorption,exist in the process of adsorption of phenol in aqueous solution.The action of partition adsorption of the 16-2-16-montmorillonite is significantly greater than that of the CTAB-montmorillonite.

Key words: quaternary ammonium surfactant, organo-montmorillonite, structure of adsorption layer, partition adsorption, surface adsorption

中图分类号:

TQ423.12

孙晨雅, 高艳丽, 方云, 齐丽云, 姜翠翠. 季铵盐与双子季铵盐表面活性剂有机蒙脱土的制备及性能研究[J]. 日用化学工业, 2015, 45(2): 61-65.

SUN Chen-ya, GAO Yan-li, FANG Yun, QI Li-yun, JIANG Cui-cui. Preparation and properties of organo-montmorillonites modified separately with quaternary ammonium surfactant and Gemini quaternary ammonium surfactant[J]. China Surfactant Detergent & Cosmetics, 2015, 45(2): 61-65.

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季铵盐与双子季铵盐表面活性剂有机蒙脱土的制备及性能研究

Preparation and properties of organo-montmorillonites modified separately with quaternary ammonium surfactant and Gemini quaternary ammonium surfactant

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