硅烷偶联剂改性自交联水性聚氨酯的研究进展

Progress on Self-crosslinking Waterborne Polyurethane Modified by Silane Coupling Agent

综述了基于硅烷偶联剂室温自交联水性聚氨酯的制备方法、室温自交联固化机理及结构与性能之间的关系;硅烷偶联剂改性自交联WPU的性能、硅烷偶联剂改性特殊自交联WPU的制备、硅烷偶联剂复合交联改性WPU的制备;展望了硅烷偶联剂改性的水性聚氨酯高分子材料的发展方向和应用前景。

The progress on the self-crosslinking waterborne polyurethane at room temperature modified by organic silane coupling agent was summarized, including the preparations, self-crosslinking curing mechanism at room temperature and the relationship between the structures and properties. The performance of self- crosslinking WPU modified by silane coupling agent, the preparations of WPU modified by silane coupling, and preparations of WPU modified by composite crosslinking silane coupling were discussed. Finally, the fu- ture developments and applications of the self-crosslinking waterborne polyurethane at room temperature modi- fied by organic silane coupling agent were prospected.