A study on formation and stability of epoxy resin inverse concentrated water/oil emulsion
作者： Jianli Wang , Zhongjie Du , Congju Li , Hangquan Li , Chen Zhang
DOI: 10.1002/APP.29099
关键词:
摘要: Inverse concentrated emulsions were prepared using aqueous colloidal silica suspension as the hydrophilic dispersed phase and a solution of diglycidyl ether bisphenol-A (DGEBA), its curing agent polyamide resin, low molecular weight 650, surfactant nonyl phenol polyoxyethylene (NPE-4) in 4-methyl-2-pentanon continuous phase, which was expected to be used precursors preparation porous epoxy resins. The stability, i.e., resistance separation studied. effects various parameters on stability investigated. can strengthen steric repulsion system improve stability. Viscosity both phases played major role Precuring provided an increased initial viscosity enhanced Lower volume fraction help maintain emulsions. Properly increasing rate, may acquire high short time, retarded separation. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
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