改性蒙脱土的制备及其协同海藻酸衍生物稳定Pickering乳液的研究

doi:10.13218/j.cnki.csdc.2017.11.006

日用化学工业 ›› 2017, Vol. 47 ›› Issue (11): 627-632.doi: 10.13218/j.cnki.csdc.2017.11.006

改性蒙脱土的制备及其协同海藻酸衍生物稳定Pickering乳液的研究

胡德平¹, 张雪琴¹, 戴子豪¹, 陈秀琼², 颜慧琼^1,2, 林强¹

1.海南师范大学热带药用植物化学教育部重点实验室,海南海口 571158;
2.海南省水环境污染治理与资源化重点实验室,海南海口 571158

收稿日期:2017-08-21 发布日期:2019-03-21
通讯作者: 颜慧琼,讲师,电话:13976013807,E-mail:yanhqedu@163.com。
作者简介:胡德平(1995-),女,湖南湘潭人,硕士研究生,电话:15608400620,E-mail:1147467301@qq.com。
基金资助:
国家自然科学基金资助项目(21366010,21566009);海南省重点科技计划资助项目(ZDXM2014037,ZDXM20120003);海南师范大学2016年大学生创新创业训练计划资助项目(20160052);海南省水环境污染治理与资源化重点实验室开放基金资助项目

Preparation of modified montmorillonite and its function for stabilizing
Pickering emulsions in cooperation with alginic acid derivative

HU De-ping¹, ZHANG Xue-qin¹, DAI Zi-hao¹, CHEN Xiu-qiong², YAN Hui-qiong^1,2, LIN Qiang¹

1.Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education,Hainan Normal University,Haikou, Hainan 571158,China;
2.Key Laboratory of Water Pollution Treatment and Resource Reuse of Hainan Province, Haikou,Hainan 571158,China

Received:2017-08-21 Published:2019-03-21

摘要/Abstract

摘要： 以十六烷基三甲基溴化铵(CTAB)作为疏水改性剂,利用湿法球磨对蒙脱土(MMT)进行改性,制备了插层型的改性蒙脱土(CMMT)。采用SEM、zeta电位分析仪、FT-IR、XRD、TEM和TGA对CMMT进行表征。进而,以两亲性海藻酸衍生物(Ugi-Alg)协同CMMT来稳定Pickering乳液,探究改性剂添加量不同时制备的CMMT对Pickering乳液稳定性的影响。实验结果显示,CTAB在湿法球磨的机械作用下插入了MMT微粒片层中。Ugi-Alg吸附于CMMT微粒表面,使CMMT微粒在油/水界面的聚集能力增强。当CTAB的添加量为1.0倍CEC时,CMMT微粒的带电量最低,乳液稳定性最高。

关键词: 十六烷基三甲基溴化铵, 蒙脱土, 湿法球磨, Pickering乳液

Abstract: The intercalating modified montmorillonite (CMMT) was prepared by wet type ball mill process with montmorillonite (MMT) as basic material and hexadecyltrimethylammonium bromide (CTAB) as hydrophobic modifying agent.Then the product CMMT was characterized by SEM,zeta potential analyzer,FT-IR,XRD,TEM and TGA.Furthermore,stable Pickering emulsions were prepared by CMMT in cooperation with amphiphilic alginic acid derivative (Ugi-Alg),and then the effect of the CMMT that modified with varied amount of CTAB on the stability of Pickering emulsion was investigated.Experimental results show that the CTAB is intercalated into the lamella interlayers of MMT micro-particulates by the mechanical action of the ball mill.Ugi-Alg is adsorbed on surface of the CMMT,that enhancing the aggregation capacity of the CMMT particulates at the oil-water interface.When the addition amount of CTAB is 1.0CEC,the charge of CMMT particulates is at the lowest while the emulsion stability is the highest.

Key words: hexadecyltrimethylammonium bromide, montmorillonite, wet ball mill, Pickering emulsion

中图分类号:

O648.2+3

胡德平, 张雪琴, 戴子豪, 陈秀琼, 颜慧琼, 林强. 改性蒙脱土的制备及其协同海藻酸衍生物稳定Pickering乳液的研究[J]. 日用化学工业, 2017, 47(11): 627-632.

HU De-ping, ZHANG Xue-qin, DAI Zi-hao, CHEN Xiu-qiong, YAN Hui-qiong, LIN Qiang. Preparation of modified montmorillonite and its function for stabilizing
Pickering emulsions in cooperation with alginic acid derivative[J]. China Surfactant Detergent & Cosmetics, 2017, 47(11): 627-632.

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改性蒙脱土的制备及其协同海藻酸衍生物稳定Pickering乳液的研究

Preparation of modified montmorillonite and its function for stabilizing
Pickering emulsions in cooperation with alginic acid derivative

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改性蒙脱土的制备及其协同海藻酸衍生物稳定Pickering乳液的研究

Preparation of modified montmorillonite and its function for stabilizing Pickering emulsions in cooperation with alginic acid derivative

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Preparation of modified montmorillonite and its function for stabilizing
Pickering emulsions in cooperation with alginic acid derivative