A coating composition for quickly repairing damaged skin coatings of aircraft
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA NAT OFFSHORE OIL CORP
- Publication Date
- 2016-08-31
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Abstract
Description
technical field
[0001] The invention relates to a coating composition for quickly repairing damaged skin coatings of aircraft. Background technique
[0002] Due to the harsh operating environment of aircraft, its skin coating is prone to damage or even peeling off during operation. In order to prevent the exposed skin material from being corroded and affect the life and flight safety of the aircraft, it is necessary to repair the damaged coating. The repair process of the damaged aircraft skin coating includes four steps: ①partial paint removal or slight grinding, ②surface protection treatment, ③spraying protective primer and ④spraying protective topcoat, among which, step ② is the most important step in the repairing process. The quality of the key process directly affects the performance of the whole skin coating system after repair. At present, the methods commonly used in step ② include chemical oxidation surface protection treatment and phosphating primer surface prot...