Phosphomolybdic acid-responsive Pickering emulsions stabilized by ionic liquid functionalized Janus nanosheets

	Phosphomolybdic acid-responsive Pickering emulsions stabilized by ionic liquid functionalized Janus nanosheets
	Meng, Qing Bo 1; Yang, Peng 1; Feng, Tianyang 1; Ji, Xuyang 1,2; Zhang, Qian 1; Liu, Daliang ; Wu, Shuyao 1; Liang, Fuxin 2; Zheng, Zhaoliang 3; Song, Xi-Ming 1
刊名	JOURNAL OF COLLOID AND INTERFACE SCIENCE
	2017-12-01
卷号	507 页码:74-82
关键词	Janus Nanosheet Pickering Emulsion Ionic Liquid Phase Inversion Phosphomolybdic Acid
英文摘要	A type of ionic liquid functionalized high-aspect-ratio Janus SiO2 nanosheets (IL-Janus nanosheets), which possesses a side terminated by imidazolin salt groups and the opposite side terminated by phenyl groups, was prepared and its emulsification performance was investigated. The surface wettability of ionic liquid functionalized side could be tailored via simple anion exchanging, giving the amphiphilic or totally hydrophobic Janus nanosheets. The influence of several parameters including surface wettability, particle concentration, oil composition, oil-water ratio as well as initial location of the nanosheets on the stability, morphology and type of the Pickering emulsions (O/W or W/O) stabilized by the amphiphilic IL-Janus nanosheets was evaluated. The research results revealed that average emulsion droplets size was decreased with increase of nanosheets concentration below a concentration value but had almost no change beyond the concentration; catastrophic phase inversion phenomenon occurred by varying volume fraction of water phase in the oil-water systems, and transitional phase inversion could be achieved by in-situ exchanging Cl- anion of the IL-Janus nanosheets with phosphomolybdate H2PMo12O40-. The responsiveness of Pickering emulsions towards phosphomolybdic acid is resulted from irreversible anion exchanging of Cl- by H(2)PM0(12)O(40)(-) and the variation of surface wettability of the nanosheets. (C) 2017 Elsevier Inc. All rights reserved.
语种	英语
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/41240]
专题	化学研究所_高分子物理与化学实验室
作者单位	1.Liaoning Univ, Coll Chem, Liaoning Key Lab Green Synth & Preparat Chem Adv, Shenyang 110036, Liaoning, Peoples R China 2.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China 3.Univ Liverpool, Stephenson Inst Renewable Energy, Crown St, Liverpool L69 7ZD, Merseyside, England
推荐引用方式 GB/T 7714	Meng, Qing Bo,Yang, Peng,Feng, Tianyang,et al. Phosphomolybdic acid-responsive Pickering emulsions stabilized by ionic liquid functionalized Janus nanosheets[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2017,507:74-82.
APA	Meng, Qing Bo.,Yang, Peng.,Feng, Tianyang.,Ji, Xuyang.,Zhang, Qian.,...&Song, Xi-Ming.(2017).Phosphomolybdic acid-responsive Pickering emulsions stabilized by ionic liquid functionalized Janus nanosheets.JOURNAL OF COLLOID AND INTERFACE SCIENCE,507,74-82.
MLA	Meng, Qing Bo,et al."Phosphomolybdic acid-responsive Pickering emulsions stabilized by ionic liquid functionalized Janus nanosheets".JOURNAL OF COLLOID AND INTERFACE SCIENCE 507(2017):74-82.