水性含氟丙烯酸酯核壳乳液的制备及性能研究

采用半连续乳液聚合法合成了以甲基丙烯酸甲酯(MMA)和丙烯酸丁酯(BA)为成核单体,甲基丙烯酸甲酯(MMA)、丙烯酸丁酯(BA)和丙烯酸六氟丁酯(HF)为成壳单体的核壳型微乳液。通过TEM、SEM、FT-IR对乳液及乳液固化膜性能进行了表征;对乳液的稳定性做了测试,用接触角法对乳液固化膜表面性能进行了研究。结果表明:当含氟单体质量分数为19.34%时,核壳型结构粒子呈球形分布,乳液稳定性良好,成膜性较好,乳液固化膜的表面能为24.26 mJ/m2,与之相对应的无氟乳液固化膜的表面能为52.73 mJ/m2。根据本研究得出的原料、配方及工艺方法制备的乳液及其膜有较优的性能。

Preparation and Performances of Waterbased Core- Shell Fluorinated Acrylate Latex

A kind of fluorinated acrylate core-shell micro-latex was prepared by semi-continuous emulsion polymerization,in which methyl methacrylate(MMA) and butyl acrylate(BA) as core monomers,methyl methacrylate(MMA),butyl acrylate(BA) and hexafluorobutyl acrylat(HF) as shell monomers.TEM,SEM and FT-IR were used to characterize the morphology structure,particle shape and the properties of film.The latex stability was tested.The surface properties of the larex film were studied by contact angle method.The results in...