氟改性环氧丙烯酸核壳乳液的合成及其涂膜性能

乳液是环保型低表面能海洋防污涂料的重要组分。采用核壳乳液聚合方法合成有机氟改性环氧丙烯酸乳液，探讨了软硬单体质量比、氟单体含量、环氧树脂含量对乳液性能的影响，得到氟改性环氧丙烯酸乳液的最佳配方，并探讨了合成乳液制备的涂料的海洋防污性能。结果表明：软硬单体质量比为1：1，丙烯酸含量为2％，单体核壳质量比为2：3，核玻璃转...

Synthesis of Organic Fluorine-Modified Epoxy Acrylate Emulsion and Evaluation of Performance of Its Paint

Epoxy acrylate emulsion modified by organic fluorine was prepared by making use of core-shell emulsion polymerization method.The effects of mass ratio of soft and hard monomers, dosage of fluorine monomer,and dosage of epoxy resin on the properties of as-prepared emulsion were investigated.The optimized formulation for preparing the emulsion was established, and the marine anti-fouling performance of the paint made of the emulsion was primarily evaluated.Results indicate that the emulsion prepared at a mass ratio of soft and hard monomers of 1:1, acrylate dosage of 2%,monomer core-shell mass ratio of 2:3, core glass transition temperature of-10℃,organic fluorine monomer dosage of 8%(in relation to the total content of monomers), and epoxy resin dosage of 9%(in relation to the total content of monomers) possesses the optimal properties.The paint made of the emulsion possessing the optimal properties had a adhesion force of grade 2,water contact angle of 114.0°,anti-impact force of over 500 N·cm,and water absorption rate of 2.41%,showing desired anti-fouling performance in marine environment.