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简述了普通氯氧镁胶凝材料水化硬化特性及存在的易吸潮返卤，泛霜、耐水性差的原因；通过聚合物改性显著地提高了材料的性能，为该材料的广泛应用与发展提供了重要的技术途径。
The hydration and sclerosis properties of common magnesium oxychloride cementitious materials are briefly described, and the reason why they are easy to absorb moisture and return to halogen, defrosting and poor water resistance is summarized. The properties of materials are remarkably improved by polymer modification. And development provides an important technical approach.