汽车板簧用水性长效防腐涂料的实验研究

An Experimental Study on Waterborne Long-lasting Anticorrosive Coatings for Automotive Plate Springs

在乳液聚合体系下进行杂化反应,制备的水性环氧–丙烯酸杂化体既具有丙烯酸树脂良好的耐候性,又具有环氧树脂附着力强、涂膜硬度高、耐盐雾性优异的特点。研究了引发剂、丙烯酸异冰片酯、环氧树脂、丁烯酸等因素对乳液杂化聚合的影响。确定了汽车板簧用水性长效防腐涂料的最佳配方,探究了各种添加剂、防锈颜料对涂膜性能的影响。

In this study,hybrid polymerization was carried out under the emulsion polymerization system.The waterborne epoxyacrylic hybrid obtained has the good weather resistance of acrylic resin and the characteristics of epoxy resin including strong adhesion,high hardness of coatings film and salt spray resistance.The effect of initiator,isobornyl acrylate,epoxy resin and butenoic acid on emulsion hybrid polymerization was studied.The optimal formula of long-lasting anticorrosive coatings for automotive plate springs was determined and the effect of various additives and antirust pigments on coatings film’s properties was discussed.