文献类型：期刊文献

英文题名：Stability of surfactant-free high internal phase emulsions and its tailoring morphology of porous polymers based on the emulsions

作者：Zhang, Shengmiao[1,2];Zhu, Yun[1];Hua, Ye[1];Jegat, Corinne[2];Chen, Jianding[1];Taha, Mohamed[2]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Shanghai Key Lab Adv Polymer Mat,Key Lab Ultrafin, Shanghai 200237, Peoples R China;[2]Univ St Etienne, IMP UJM, CNRS UMR 5223, Univ Lyon, F-42023 St Etienne, France

年份：2011

卷号：52

期号：21

起止页码：4881

外文期刊名：POLYMER

收录：;EI(收录号：20113914370248);WOS:【SCI-EXPANDED(收录号:WOS:000295424900032)】；

基金：This research was supported by Natural Science Foundation of Shanghai (Project Number: 09ZR1408300), Shanghai Leading Academic Discipline Project (Project Number: B502) and Shanghai Key Laboratory Project (08DZ2230500).

语种：英文

外文关键词：High internal phase emulsion; Copolymer particle; Porous polymer

摘要：Stable water-in-oil (w/o) high internal phase emulsions (HIPEs) having an internal phase of up to 95 vol% were prepared. The poly(styrene-methyl methacrylate-acrylic acid) (P(St-MMA-AA)) copolymer particles were used as stabilizer. The HIPEs prepared with addition of copolymer particles to the aqueous phase were stabilized by copolymer particles initially, followed by the mixture of copolymer particles and copolymer as the particles eventually dissolves in the organic phase, and finally by only copolymer. Stable w/o HIPEs having an internal phase of up to 92 vol% were also formed with P(St-MMA-AA) copolymer dissolved in the organic phase as the sole stabilizer. Porous polymers (polyHIPEs) were prepared based on these two types of surfactant-free HIPEs. The morphology of the polyHIPEs, such as the surface roughness of the voids and average void diameter, were tailored by tuning the internal phase volume fraction, NaCl, copolymer, and crosslinker concentrations. (C) 2011 Elsevier Ltd. All rights reserved.