聚四氟乙烯表面改性及粘接

Progress of application of polyurethane microcapsules

分析了聚四氟乙烯难粘的原因,综述了PTFE表面的化学改性法、高能辐射接枝法、高温熔融法、ArF激光辐射改性、离子束注入改性法和等离子体处理法,介绍了常用表面改性剂和几种新型胶粘剂。展望了解决聚四氟乙烯材料粘接难题的研发方向。

The polyurethane microcapsules differ from the conventional polyurethane materials with different preparation processes.Due to the presence of encapsulated core materials,the polyurethane microcapsules materials gained some new advantages and the rang of their application was greatly expanded.This article described the preparation of polyurethane microcapsules and the application of polyurethane microcapsules in the construction,textile,medical industries and agriculture.