Study on Preparation and Properties of In Situ Composite of Nano-SiO2 and Vinyl Acetate-Acrylate Emulsion

Xiao Hui Wang; Ren Li Wang; Li Min Dong; Han Fei Lu

doi:10.4028/www.scientific.net/AMR.960-961.92

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Study on Preparation and Properties of In Situ Composite of Nano-SiO₂ and Vinyl Acetate-Acrylate Emulsion

Abstract:

Available nanosilica commercially was modified with silane coupling agent A-151, and then emulsion was synthesized with modified SiO₂, vinyl acetate, methyl methacrylate and butyl acrylate by polymerization reaction. Effects the amount of emulsifier, initiator and organic nanoSiO₂, etc factors on the performance of emulsion polymerization and latex film were investigated. The best test results of composite emulsion of SiO₂ and vinyl acetate-acrylate were obtained by theoretical research and experimental operation: modified nanoSiO₂ content of 3%, the content of 3% emulsifier OP, content of 0.5% potassium persulfate initiator.