Firstly, an aqueous PU resin was prepared for the coatings binder resin, during the preparation the influence of polycarbonate diols and other diols on synthesis resin is researched;

• 根据研究需要，首先制备一种水性聚氨酯树脂作为该涂料的基料树脂，在制备过程中研究了聚碳酸酯二元醇与其他二元醇对所合成的树脂性能的影响；