利用含磷功能单体PAM-100的亲水性和防腐性能及乳胶胶束的包裹机理，通过乳液聚合工艺制备了高环氧树脂含量的环氧改性丙烯酸树脂复合乳胶，并对其结构进行了表征。将复合乳胶用于制备双组分水性金属防腐底漆，研究了环氧树脂含量、丙烯酸磷酸酯用量、甲基丙烯酸用量、玻璃化转变温度（Tg）对涂膜性能的影响。结果表明：当环氧树脂NPEL-127用量为（占单体总量，下同）为25%、丙烯酸磷酸酯（PAM-100）为3%、甲基丙烯酸（MAA）为1.5%，树脂Tg设计为15.30 ℃时，合成的树脂制得的涂膜的铅笔硬度可达2H，附着力、柔韧性和耐冲击性优异，且具有良好的防腐性能。
Based on the hydrophilic and anticorrosive properties of phosphorus-containing functional monomer PAM-100 and the encapsulation mechanism of latex micelles, an epoxy modified acrylic resin composite latex with high epoxy content was prepared by emulsion polymerization. Its structure was characterized. The composite latex was used to prepare 2K waterborne metal anticorrosive primer. The effects of epoxy resin content, acrylic phosphate ester content, methacrylic acid content and glass transition temperature (Tg) on the film properties were studied. The results showed that when the amount of epoxy resin NPEL-127, acrylic phosphate ester (PAM-100), methacrylic acid (MAA) were 25%, 3%and 1.5% of the total monomers respectively and the Tg of resin was 15.30 ℃, the pencil hardness of the film derived from the synthetic resin could reach 2H with excellent adhesion, flexibility and impact resistance and good corrosion resistance.
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