Improve the water resistance, washing resistance, chemical resistance and high temperature resistance of leather coating; Improve the water resistance, adhesion resistance and high temperature resistance of water-based printing coating; Improve the water resistance and detergent resistance of water-based ink; It can improve its water resistance, alcohol resistance, detergent resistance, chemicalbook chemical resistance and abrasion resistance in water-based parquet floor paint; In waterborne industrial paint, it can improve its water resistance, alcohol resistance and adhesion resistance; In vinyl coatings, the mobility of plasticizer can be reduced and the stain resistance can be improved; Improve its abrasion resistance in water-based cement sealant; It can generally improve the adhesion of water-based system on non-porous substrate.