摘要
首先以丙烯酸预聚物和环氧酯为原材料通过局部缩聚反应制备了水性丙烯酸–环氧酯杂化树脂,并将该水性丙烯酸–环氧酯杂化树脂与氨基树脂制备了水性氨基烤漆,重点探讨了丙烯酸预聚物与环氧酯质量比对水性丙烯酸–环氧酯杂化树脂及其氨基烤漆涂层的性能影响。结果表明,当丙烯酸预聚物与环氧酯的质量比为5∶5时,制备的水性丙烯酸–环氧酯杂化树脂具有最小的粒径和黏度,且由该水性丙烯酸–环氧酯杂化树脂制备的氨基烤漆涂层具有高光泽,硬度和柔韧性达到平衡,并有优异的附着力和耐盐雾性,适合用作水性氨基烤漆涂层的主树脂。
In this study,waterborne acrylic-epoxy ester hybrid resins were prepared by partial poly-condensation between acrylic prepolymer and epoxy ester,and these waterborne acrylic-epoxy ester hybrid resins were applied to prepare baking coatings.The study focused on investigating the effect of the mass ratio between the acrylic pre-polymer and epoxy ester on the performance of the waterborne acrylic-epoxy ester hybrid resins and their amino baking coatings.The results showed that when the mass ratio of acrylic pre-polymer to epoxy ester was 5∶5,the waterborne acrylic-epoxy ester hybrid resin exhibited the lowest particle size and viscosity.The amino baking coatings prepared from the waterborne acrylic-epoxy ester hybrid resin demonstrated high gloss,a balanced hardness and flexibility,as well as excellent adhesion and salt spray resistance.Therefore,the waterborne acrylic-epoxy ester hybrid resin prepared in this study is suitable as the main resin for waterborne amino baking coatings.
作者
燕曾林
王公豪
丁永波
申亮
YAN Zeng-lin;WANG Gong-hao;DING Yong-bo;SHEN Liang(The Department of Coatings and Polymeric Materials,College of Chemistry and Chemical Engineering,Jiangxi Science&Technology Normal University,Nanchang 330013,Jiangxi,China;Jiangxi Provincial Engineering Research Center for Waterborne Coatings,Nanchang 330013,Jiangxi,China)
出处
《中国涂料》
2025年第1期39-46,73,共9页
China Coatings
关键词
丙烯酸预聚物
环氧酯
水性杂化树脂
烤漆
acrylic pre-polymer
epoxy ester
waterborne hybrid resin
baking coatings
