Water-based adhesive and preparation method thereof

The invention discloses a water-based adhesive and a preparation method thereof. The preparation method of the water-based adhesive comprises the following steps: (1) weighing 20-40 parts of ethylene-vinyl acetate emulsion, 50-70 parts of acrylate emulsions, 10-40 parts of a water-based viscous emulsion and 0.2-0.6 part of an antifoaming agent, dispersing the weighed raw materials evenly in a high-speed disperser to obtain a base emulsion; (2) adding 0.3-0.8 part of a coalescing agent and 0.2-0.6 part of a mildew preventive to the base emulsion, stirring evenly to obtain the first water-based adhesive. In such manner, the water-based adhesive which is fast cured, high in initial adhesion and excellent in permanent adhesion can be provided. 本发明公开了种水性胶黏剂及其制备方法。其中，水性胶黏剂的制备方法包括：1）称取乙烯-醋酸乙烯酯乳液20~40份、丙烯酸酯乳液50~70份、水性增粘乳液10~40份、消泡剂0.2~0.6份于高速分散机内分散均匀得到基础乳液，2）向基础乳液中加入成膜助剂0.3~0.8份、防霉剂0.2~0.6份，搅拌均匀得到第水性胶黏剂。通过上述方式，本发明能够提供种固化快、初粘力强、持粘力优异的水性胶黏剂。