中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Highly concentrated oil-in-water (O/W) emulsions stabilized by catanionic surfactants

文献类型:期刊论文

作者Zhang, Na1,3; Fu, Yanxu1; Chen, Guojun1; Liang, Dong1; Abdunaibe, Aibu1; Li HG(李洪光)2; Hao JC(郝京诚)1
刊名Colloids and Surfaces A: Physicochemical and Engineering Aspects
出版日期2016
卷号495页码:159-168
关键词Viscoelastic Oil-in-water Emulsion Catanionic surfactant Paraffin oil
ISSN号0927-7757
通讯作者李洪光
英文摘要

The abilities of a series of catanionic surfactants (catanionics) to emulsify paraffin oil/water (PO/H2O) mixtures have been investigated. It was found that catanionics with head-to-tail structures are efficient emulsifiers, including tetradecyltrimethylammonium laurate (TTAL), decyltrimethylammonium laurate (D10TAL) and 1-methyl-3-decyl-immidazolium laurate (1-M-3-D10-ImL). Stable oil-in-water (O/W) emulsions were obtained by simple hand-shaking at low water content (down to 6% by volume), as confirmed by visual inspection, optical microscopy observations, conductivity measurements and confocal fluorescence microscopy observations. The emulsion droplets are closely-packed, imparting the samples viscoelastic properties as proved by rheological measurements. The emulsions could not be destroyed at elevated temperatures and interestingly, a slight increase of viscoelasticity was observed. Specifically for TTAL which was prepared by acid-base neutralization between tetradecyltrimethylammonium hydroxide (TTAOH) and lauric acid (LA), the influence of the composition of the ion-pair was also investigated. While the properties of the emulsions can be only slightly influenced at LA-rich side, significant influence was noted at TTAOH-rich side. We have also checked the emulsifying ability of a pseudo-gemini catanionic surfactant, bis(tetradecyltrimethylammonium) adipate ((TTA)2A), and found it could not emulsify PO/H2O mixtures under the same experimental conditions, indicating that the architecture of the catanionics also has a profound influence.

学科主题材料科学与物理化学
收录类别SCI
资助信息National Natural Science Foundation of China (no. 61474124, no. 21402215);the Hundred Talents Program of Chinese Academy of Sciences (Y20245YBR1)
语种英语
WOS记录号WOS:000371395500018
源URL[http://210.77.64.217/handle/362003/19769]  
专题兰州化学物理研究所_清洁能源化学与材料实验室
作者单位1.Key Laboratory of Colloid and Interface Chemistry & Key Laboratory of Special Aggregated Materials, Shandong University, Ministry of Education, Jinan, Shandong 250100, China
2.State Key Laboratory of Solid Lubrication & Laboratory of Clean Energy Chemistry and Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
推荐引用方式
GB/T 7714
Zhang, Na,Fu, Yanxu,Chen, Guojun,et al. Highly concentrated oil-in-water (O/W) emulsions stabilized by catanionic surfactants[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects,2016,495:159-168.
APA Zhang, Na.,Fu, Yanxu.,Chen, Guojun.,Liang, Dong.,Abdunaibe, Aibu.,...&Hao JC.(2016).Highly concentrated oil-in-water (O/W) emulsions stabilized by catanionic surfactants.Colloids and Surfaces A: Physicochemical and Engineering Aspects,495,159-168.
MLA Zhang, Na,et al."Highly concentrated oil-in-water (O/W) emulsions stabilized by catanionic surfactants".Colloids and Surfaces A: Physicochemical and Engineering Aspects 495(2016):159-168.

入库方式: OAI收割

来源:兰州化学物理研究所

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