利用乙烯-醋酸乙烯共聚物(EVA)改性水泥制备一种力学性能和防锈性能兼顾的涂料,以解决沿海复杂环境下钢筋混凝土施工过程中钢筋锈蚀的问题.研究了EVA掺量对涂料的黏度、涂刷性能及其对钢筋握裹力的影响;进行了EVA改性水泥基防锈涂料与水泥净浆防锈涂料对钢筋防护性能的中性盐雾对比试验.研究表明:当EVA掺量为13%(以水泥质量计)时,EVA改性水泥基防锈涂料的握裹力达到了10.4 MPa,高于裸钢筋表面直接浇筑混凝土的握裹力.涂料的流动性和涂刷性能好,满足施工要求,该涂料的防锈性能优于水泥净浆涂料.
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