Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 134, Issue 23, Pages -Publisher
WILEY
DOI: 10.1002/app.44921
Keywords
amphiphilic copolymer; fluorinated emulsion; hydrophobic modification; macro emulsifier
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Funding
- National 863 Program of China [2012AA03A602]
- Nature Science Foundation Committee of China [20974094]
- Zhejiang Provincial Collaborative Innovation Center on Membrane and Water treatment Technology [2050999093]
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Fluorinated acrylate emulsions have been extensively applied for hydrophobic surface coatings. To obtain fluorinated emulsions of low surface energy, amphiphilic sulfonyl macro emulsifiers consisting of 2-(perfluorohexyl) ethyl acrylate (PFHEA) and 2-acrylanmido-2-methylpropanesulfonic acid (AMPS) were designed via radical polymerization and subsequently used for the emulsion copolymerization of PFHEA, methyl methacrylate (MMA), and methyl butyl acrylate (MBA). Under optimum synthesis conditions, the emulsifier displayed superior emulsification properties such as high monomer conversion, small particle size, and excellent stability compared with conventional emulsifiers. The corresponding emulsions with sulfonyl macro emulsifiers exhibited extreme low surface energy (9.8 mN/m) and outstanding hydrophobicity due to high contents of fluorinated chains, as well as thimbleful hydrophilic sulfonyl groups, which shows the great potential in water repellent modification application. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44921.
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