The preparation method of silylated polyurethane sealant and the influences of different silanes on sealant properties are also described.

• 介绍了硅烷偶联剂改性聚氨酯预聚物的方法和密封胶的配制以及不同的硅烷偶联剂对改性聚氨酯密封胶性能的影响。