A kind of waterborne polyurethane coatings, which is characterized in that the coating is composed of A and B components and configuration, the A component formula as follows: hydroxyl polyacrylate dispersion 60~80, leveling and wetting agent 0.2~0.3, polyacrylic acid 12-25, isocyanate 20-30, B component polyisocyanate curing agent 6-9, according to the formula of A component is added to the container, then add deionized water, leveling solvent, wetting agent, defoaming agent, thickening agent in medium speed, high speed dispersion 20~30min, according to a certain proportion of adding water dispersible polyisocyanate curing agent, stirring, prepared two component waterborne polyurethane coatings.
【技术实现步骤摘要】
【技术保护点】
一种水性双组分聚氨酯涂料，其特征在于，该涂料由A组分和B组分配置而成，其中A组分配方如下：羟基聚丙烯酸酯分散体60~80份流平润湿剂?0.2~0.3聚丙烯酸12?25份多异氰酸酯20?30份交联剂30?40份填料10?15份N，N??二甲基乙醇胺1?2份助溶剂0.2?0.5份防冻剂1?2份润湿剂0.2?0.5份消泡剂0.2?0.5份增稠剂0.1?0.3份润湿剂0.1?0.3份防腐剂1?2份pH值调节剂去离子水30?40份B组分多异氰酸酯固化剂6?9份,?按上述配方将A组分加入容器中，在中速搅拌下依次加入去离子水、流平润湿剂、助溶剂、消泡剂、增稠剂，高速分散20~30?min，按照一定的比例加入水分散性多异氰酸酯固化剂，充分搅拌后，制得水性双组分聚氨酯涂料。
【技术特征摘要】
【专利技术属性】
技术研发人员：吴兵，
申请(专利权)人：苏州瑞邦塑胶有限公司，
类型：发明
国别省市：
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