利用有机化凹凸棒石颗粒制备W/O型Pickering乳液

doi:10.13218/j.cnki.csdc.2014.10.121

日用化学工业 ›› 2014, Vol. 44 ›› Issue (10): 541-545.doi: 10.13218/j.cnki.csdc.2014.10.121

• 基础研究 • 下一篇

利用有机化凹凸棒石颗粒制备W/O型Pickering乳液

张芳芳, 全丽娜, 陈浩, 赵杰

台州学院医药化工学院,浙江台州 318000

收稿日期:2014-05-09 出版日期:2014-10-22 发布日期:2019-04-08
通讯作者: 陈浩,副教授,博士,电话:13867602316,E-mail:chenhao2212@sohu.com。
作者简介:张芳芳(1992-),女,浙江温州人,大学本科。
基金资助:
国家自然科学基金资助项目(20903070);浙江省大学生科技创新活动计划暨新苗人才计划资助项目(2013R428018)

W/O Pickering emulsions prepared with organo-attapulgite particles

ZHANG Fang-fang, QUAN Li-na, CHEN Hao, ZHAO Jie

School of Pharmaceutical and Chemical Engineering,Taizhou University,Taizhou,Zhejiang 318000,China

Received:2014-05-09 Online:2014-10-22 Published:2019-04-08

摘要/Abstract

摘要： 选取我国储量丰富的凹凸棒石矿,对其表面进行十六烷基三甲氧基硅烷有机改性处理,将制备的纳米颗粒应用于乳液的制备。系统考察了体系pH、颗粒质量分数和油相体积分数等因素对Pickering乳液稳定性的影响。结果表明:随着分散体系pH的增加,乳液液滴尺寸先增大后减小又增大再减小;随着颗粒质量分数的提高,可用于稳定乳液的颗粒数量增多,乳液稳定性提高;随着油相体积分数的增大,乳液液滴尺寸先增大后减小又增大再减小。通过调节水相体系的pH,成功制备了由有机改性凹凸棒石颗粒单独稳定的W/O型乳液。

关键词: Pickering乳液, 有机化凹凸棒石, 相转变

Abstract: Attapulgite ore was selected and its surface was modified with hexadecyltrimethoxysilane to prepare nano-particles.Then the new nano-particles were used for preparing emulsion.The effects of factors such as pH of the system,mass fraction of the nano-particles and volume fraction of the oil phase on stability of the Pickering emulsion were systematically investigated.Results showed that with increase of pH of the dispersion system,average diameter of emulsion droplets increases first,then decreases and then increases and decreases again.When mass fraction of the nano-particles increases,amount of the nano-particles that can be used to stabilize the emulsion increases,results in improvement of emulsion stability.Following increase of volume fraction of the oil phase,average diameter of the emulsion droplets increases first,then decreases and then increases and decreases again.W/O emulsion stabilized by organo-modified attapulgite nano-particles was successfully prepared by adjusting the pH of the aqueous phase.

Key words: Pickering emulsion, organo-attapulgite, phase inversion

中图分类号:

O648

张芳芳, 全丽娜, 陈浩, 赵杰. 利用有机化凹凸棒石颗粒制备W/O型Pickering乳液[J]. 日用化学工业, 2014, 44(10): 541-545.

ZHANG Fang-fang, QUAN Li-na, CHEN Hao, ZHAO Jie. W/O Pickering emulsions prepared with organo-attapulgite particles[J]. China Surfactant Detergent & Cosmetics, 2014, 44(10): 541-545.

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利用有机化凹凸棒石颗粒制备W/O型Pickering乳液

W/O Pickering emulsions prepared with organo-attapulgite particles

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