【摘要】 综述了聚氨酯密封胶的国内外发展情况,详细介绍了各种新型密封胶的改性机理、制备过程以及性能优势;主要介绍了4种类型密封胶:端硅烷基聚氨酯、单组分聚氨酯、双组分聚氨酯、无机纳米粒子改性聚氨酯密封胶等。更多还原

【Abstract】 In this paper, the new research development of polyurethane sealants was reviewed, and the modification mechanism, preparation process and performance advantages of some new polyurethane sealants were also introduced in detail. The introdeced sealants were mainly focused on the silane endcapped polyurethane sealants, the one-component and two-component polyurethane sealants and the inorganic nanoparticles modified polyurethane sealants.更多还原