A kind of preparation method of two-component waterborne polyurethane automobile topcoat

【application number】: cn201410473373.0 【application date】: 2014.09.16 【publication number】: cn104194604a [open date]: 2014.12.10 【applicant】: jiangsu tiancheng car decoration technology co., ltd. 【abstract】: the present invention provides a two-component water-based polyurethane automotive topcoat material. material wetting agent 0.2-0.8%, leveling agent 0.3-0.5%, defoamer 0.01-0.1%, preservative 0.1-0.3%, water-based polyisocyanic acid 15-25%, co-solvent 1-3%; the two-component water-based polyurethane automotive topcoat provided by the invention has high gloss, excellent mechanical properties and…