Surface modification of polystyrene latex particles via atom transfer radical polymerization
作者： Ke Min , Jianhua Hu , Changchun Wang , Abdelhamid Elaissari
DOI: 10.1002/POLA.10160
关键词: Methyl methacrylate 、 Polymer chemistry 、 Materials science 、 Polystyrene 、 Polymerization 、 Methyl acrylate 、 Radical polymerization 、 Emulsion polymerization 、 Atom-transfer radical-polymerization 、 Surface modification
摘要: The atom transfer radical polymerization (ATRP) technique using the copper halide/ N,N′,N′,N″,N″-pentamethyldiethylenetriamine complex was applied to graft of methyl methacrylate and acrylate on uniform polystyrene (PS) seed particles formed novel core-shell particles. core submicron crosslinked PS that were prepared via emulsifier-free emulsion polymerization. obtained transferred into organic phase (tetrahydrofuran), surface modification chloromethylation method performed. Then, modified used initiate ATRP prepare a controlled poly(methyl methacrylate) (PMMA) acrylate) (PMA) shell. final characterized Fourier transform infrared spectroscopy, nuclear magnetic resonance, scanning electron microscopy, thermogravimetric analysis, elementary analysis. grafting conducted successfully particles, shell thickness weight ratio (PMMA PMA) calculated. © 2002 Wiley Periodicals, Inc. J Polym Sci Part A: Chem 40: 892–900, 2002; DOI 10.1002/pola.10160
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