综述了聚四氟乙烯衬里的方法、衬里设备在化工防腐中的应用和衬里变质损坏的原因 ;各种改性有机氟聚合物涂料的性能、涂层的制备方法以及应用特性 ;基体材料表面预处理方法对涂层质量的影响 The application of PTFE lining, the application of lining equipment in chemical preservation and the reason of the deterioration of lining were summarized. The properties of various modified organic fluoropolymer coatings, the preparation methods of coatings and their application characteristics were summarized. Effect of treatment on coating quality