月桂酸改性氧化锌纳米颗粒的Pickering乳化性能研究

doi:10.3969/j.issn.1001-1803.2020.08.006

日用化学工业 ›› 2020, Vol. 50 ›› Issue (8): 542-546.doi: 10.3969/j.issn.1001-1803.2020.08.006

月桂酸改性氧化锌纳米颗粒的Pickering乳化性能研究

刘建平¹(),李加兴²,吴志康³,胡晨毓⁴

1.湖南省轻工盐业集团技术中心有限公司,湖南长沙 410015
2.湖南省井矿盐工程技术研究中心,湖南长沙 410015
3.湖南盐业股份有限公司,湖南长沙 410015
4.江南大学化学与材料工程学院,江苏无锡 214122

收稿日期:2020-06-19 修回日期:2020-07-28 出版日期:2020-08-22 发布日期:2020-08-25
作者简介:刘建平（1962-）,男,湖南长沙人,助理研究员,电话：13808462419,E-mail： 1545695316@qq.com。

Study on the Pickering emulsifying properties of zinc oxide nanoparticles modified by lauric acid

LIU Jian-ping¹(),LI Jia-xing²,WU Zhi-kang³,HU Chen-yu⁴

1. Hunan Light Industry and Salt Industry Group Technology Center Co., Ltd., Changsha, Hunan 410015, China
2. Hunan Well Salt Engineering Technology Research Center, Changsha, Hunan 410015, China
3. Hunan Salt Industry Co., Ltd., Changsha, Hunan 410015, China
4. School of Chemical and Materials Engieering, Jiangnan Univeristy, Wuxi, Jiangsu 214122, China

Received:2020-06-19 Revised:2020-07-28 Online:2020-08-22 Published:2020-08-25

摘要/Abstract

摘要：

研究了不同程度月桂酸表面改性氧化锌纳米颗粒的Pickering乳化性能。通过调节月桂酸用量来改变氧化锌纳米颗粒表面亲疏水性（接触角θ）,并探讨了不同接触角氧化锌纳米颗粒稳定的Pickering乳液的乳滴粒径、相转变及稳定性变化规律。结果表明,部分亲水的氧化锌纳米颗粒稳定（三相接触角40°~60°）的O/W型乳液具有最小的液滴尺寸和最优的稳定性。在最优条件下利用Pickering乳液聚合法制备了表面负载氧化锌纳米颗粒的有机硅弹性微球,粒径为5~20 μm。

关键词: Pickering乳液, 氧化锌, 月桂酸, 表面改性, 接触角, 乳液稳定性

Abstract:

The Pickering emulsifying properties of lauric acid-modified zinc oxide nanoparticles were studied. By adjusting the amount of lauric acid, the wettability （contact angle θ） of ZnO nanoparticles were changed, and the droplet size, phase transition and stability of the Pickering emulsions stabilized by ZnO nanoparticles with different contact angles were discussed. The results indicated that by using ZnO nanoparticles that were partially hydrophilic （three-phase contact angle of 40°-60°）, the O/W Pickering emulsion thus prepared exhibited the smallest droplet size and optimal stability. Furthermore, silicone elastic microspheres with ZnO nanoparticles on the surface were prepared under the optimal conditions by Pickering emulsion polymerization, and the particle size of silicone elastic microspheres was 5-20 μm.

Key words: Pickering emulsion, Zinc oxide, lauric acid, surface modification, contact angle, emulsion stability

中图分类号:

TQ658

刘建平,李加兴,吴志康,胡晨毓. 月桂酸改性氧化锌纳米颗粒的Pickering乳化性能研究[J]. 日用化学工业, 2020, 50(8): 542-546.

LIU Jian-ping,LI Jia-xing,WU Zhi-kang,HU Chen-yu. Study on the Pickering emulsifying properties of zinc oxide nanoparticles modified by lauric acid[J]. China Surfactant Detergent & Cosmetics, 2020, 50(8): 542-546.

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参考文献 10

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月桂酸改性氧化锌纳米颗粒的Pickering乳化性能研究

Study on the Pickering emulsifying properties of zinc oxide nanoparticles modified by lauric acid

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