Research Progress of Polyurethane Modified Cement-based Materials
Polyurethane used in cement-based material could significantly improve the performance of cement-based materials,such as elasticity,frost resistance,and impermeability.The influence of polyurethane on the working properties,mechanical properties,microstructure and freeze-thaw resistance of cement-based materials was summarized.The limitations of polyurethane in the application of cement-based materials were proposed.Combined with engineering practice,the application scenarios of polyurethane cement-based materials were explored,and the new development trend of polyurethane cement-based materials was prospected.
polyurethanecomposition structurecement-based material
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