The application and action mechani sm of blocked polyisocyanate in fluorocarbon resin paint are intro-duced.The influence factors to bloc king agents are discussed.

• 介绍了封闭多异氰酸酯在氟碳涂料中的应用,以及封闭多异氰酸酯的作用机理和影响封闭剂的主要因素。