Waterproof emulsion and preparation method thereof

The invention discloses a waterproof emulsion and a preparation method thereof. The waterproof emulsion is prepared from the following components by weight: 15-25 parts of 1,4-butanediol acrylate, 10-30 parts of butyl methacrylate, 0.2-0.6 part of methyl silicone oil, 0.1-0.3 part of potassium persulfate, 0.2-0.8 part of a buffering agent, 0.8-3 parts of a stabilizer, 0.2-0.7 part of an oxidizingagent, 0.01-0.3 part of a reducing agent and 80-120 parts of deionized water. According to the invention, the waterproof emulsion prepared from the raw materials of different weight parts has excellent water resistance and alkali resistance, and good compatibility with cement. According to the preparation method for the waterproof emulsion, a conventional emulsification semi-continuous dropwise addition process is adopted; equipment needed in the preparation is simple; and the method is simple to operate, low in cost and good in safety. 本发明公开了种防水乳液及其制备方法，由以下重量份的组分制备而成：15-25份1,4-丁二醇丙烯酸酯、10-30份甲基丙烯酸丁酯、0.2-0.6份甲基硅油、0.1-0