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涂膜防水是一项新的防水施工技术,也是近30年来美国、日本、西欧等国家在防水技术方面进行大量开发研究和推广应用的一个领域。本文重点介绍了这项新技术的发展情况,涂膜防水材料的种类,涂膜防渗作用原理及涂膜防水施工工艺。详细论述了双组份反应型高分子涂膜材料弹性聚氨酯和环氧树脂防水材料的性能以及工程应用实例。并且根据国内水利水电工程的需要和现状,建议采用聚氨酯涂膜做碾压混凝土坝面和其它水工混凝土的防渗涂层。
Water-proof coating is a new waterproof construction technology, but also the United States, Japan, Western Europe and other countries in the past 30 years in a large number of waterproof technology research and development and application of an area. This article focuses on the development of this new technology, the kind of coating waterproof material, the principle of coating anti-seepage and waterproof coating technology. The properties of elastic polyurethane and epoxy resin waterproofing materials for bi-component reactive polymer coating materials and their application examples are discussed in detail. And according to the needs and status quo of domestic water conservancy and hydropower projects, it is suggested to use polyurethane coating to make impermeable coatings for roller compacted concrete dam and other hydraulic concrete.