在117℃恒温条件下,于丁醇中以BPO为引发剂,引发由E-44环氧树脂、α-甲基丙烯酸、丙烯酸丁酯和苯乙烯组成的反应体系,合成了环氧-丙烯酸多元接枝共聚物,并向其中加入w(NH3)=28%的氨水,调节pH值为7～9得水性环氧-丙烯酸乳液,进一步制得水性环氧涂料.通过红外光谱表征了该多元接枝共聚物的结构,测定了该涂料的各项性能,探讨了环氧树脂、颜填料、烧烤温度和时间、pH值等因素对涂料性能的影响.实验结果表明,苯乙烯单体的引入,可增大涂层的附着力,提高涂层的耐冲击性,且该涂料附着力、耐冲击性、耐腐蚀性等各项性能良好.
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