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Effect of ethyleneglycol dimethacrylate crosslinker on the performance of core-double shell structure poly(vinyl acetate-butyl acrylate) emulsion

文献类型： 外文期刊

作者： Li Gang 1 ; Wang Ting 1 ; Huang Maofang 2 ; Gao Tianming 2 ; Fu Xin 1 ;

作者机构： 1.Hainan Univ, Haikou 570228, Hainan, Peoples R China

2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

关键词： crosslinking;emulsion polymerization;films;kinetics;structure-property relations

期刊名称：JOURNAL OF APPLIED POLYMER SCIENCE （ 影响因子：3.125； 五年影响因子：2.754 ）

ISSN： 0021-8995

年卷期： 2015 年 132 卷 17 期

页码：

收录情况： SCI

摘要： Core-double shell structure poly(vinyl acetate-butyl acrylate) emulsion was prepared by semicontinuous emulsion polymerization, and the effects of ethyleneglycol dimethacrylate crosslinker (EGDMA) on the emulsion particle structure and film performance were studied systematically. The emulsion particles' structure was characterized by transmission electron microscopy and Fourier transform infrared spectroscopy, and the particle size and distribution were characterized by Zeta potentialparticle analyzer, as well as analysis of the film mechanical properties, water resistance, thermal properties, and so on. The results show that, when 0.1 and 0.5% EGDMA were added to the inner-shell and outer-shell reaction stage under the core-double shell P(VAc-BA) emulsion preparation process, respectively, it led to a more clear core-double shell structure and a larger particle size (about 500-800 nm) of emulsion particles, and the comprehensive performance of the P(VAc-BA) emulsion showed better. This work provided some insight into modifying the surface properties of the emulsion particles, which may expand the application field of the emulsion. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41899.

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