【摘要】 总结了热固化单组分聚氨酯密封剂的研制方法,讨论异氰酸酯、多元醇、扩链剂、封闭剂对热固化单组分聚氨酯密封剂性能的影响。所研制的密封剂与进口产品性能相当,已用于生产实践。更多还原

【Abstract】 The preparation process of heat-curing one-component polyurethane sealant is summarized, and the effects of isocyanate, polyol, chain extender, blocking agent on the performance of heat-curing one-component polyurethane sealant are also discussed. The sealant prepared by this process has such performance as the imports, and it has been used in the production practice.更多还原