Synthesis of water-soluble hyperbranched polymer and its application in acrylic latex |
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| Authors: | Xiuxia Wang Zhigang Jiang |
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| Institution: | a Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou, Zhejiang Province 310027, China
b Key Laboratory of Organosilicon Chemistry and Material Technology of Education Ministry, Hangzhou Teachers College, Hangzhou 310036, China |
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| Abstract: | A water-soluble hyperbranched polymer (WHBP), obtained from a second generation of hyperbranched polyester and maleic anhydride, was studied. Its effects on the properties of acrylic latexes, which were based on emulsion polymerization of butyl acrylate (BA), methyl methacrylate (MMA), acrylic acid (AA) and WHBP, and latex film were discussed. The characteristics of WHBP were determined by nuclear magnetic resonance spectroscopy (NMR), Fourier transform infrared (FTIR) and gel permeation chromatography (GPC). Particle size and morphology of latex particles were confirmed by dynamic light scattering (DLS) and transmission electron microscope (TEM). The investigation showed that WHBP could be used in emulsion polymerization, and that latex of poly(BA-MMA-WHBP) was more stable than that of poly(BA-MMA-AA). The hardness of latex film increased from 2B to HB when WHBP was used. |
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| Keywords: | Water-soluble hyperbranched polymer Emulsion polymerization Acrylic latex |
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