Unmanned aerial vehicle exterior paint-sprayed part surface decoration film and preparation method and application thereof
A surface decoration, drone technology, used in rayon manufacturing, heat activated film/sheet, film/sheet adhesive, etc., can solve the problems of drone damage, loss, inability to high temperature and thunderstorm protection
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Embodiment 1
[0047] A surface decorative film for the exterior of an unmanned aerial vehicle and its preparation method and application, comprising the following steps:
[0048] Step 1: Prepare the materials and experimental instruments required for the experiment;
[0049] Step 2: Heat polyacrylonitrile, N,N-dimethylacetamide, polyvinyl pyrrolidone, polyimide YJ-16 and polymethyl methacrylate in a dissolving tank to 70°C according to the ratio, Dissolve for 4-6 hours, then stand for degassing for 24 hours and perform dry-wet spinning at room temperature to obtain a carbon fiber base film;
[0050] Step 3: Fix the two ends of the PAN base film and put it into the furnace, and pass in air for pre-oxidation treatment. The heating rate is 8°C / min. After the temperature rises to 220°C, it is kept at a constant temperature. The carbonization is maintained at a fixed length in a high-purity nitrogen atmosphere. Under the circumstances, obtain the PAN base film;
[0051] Step 4: Take out the ca...
Embodiment 2
[0064] A surface decorative film for the exterior of an unmanned aerial vehicle and its preparation method and application, comprising the following steps:
[0065] Step 1: Prepare the materials and experimental instruments required for the experiment;
[0066] Step 2: Heat polyacrylonitrile, N,N-dimethylacetamide, polyvinyl pyrrolidone, polyimide YJ-16 and polymethyl methacrylate in a dissolving tank to 70°C according to the ratio, Dissolve for 4-6 hours, then stand for degassing for 24 hours and perform dry-wet spinning at room temperature to obtain a carbon fiber base film;
[0067] Step 3: Fix the two ends of the PAN base film and put it in the furnace, and let air in for pre-oxidation treatment. The heating rate is 8°C / min. After the temperature rises to 230°C, it is kept at a constant temperature. Under the circumstances, obtain the PAN base film;
[0068] Step 4: Take out the carbon fiber base film and the PAN base film, and after standing at room temperature for 2-4 ...
Embodiment 3
[0081] A surface decorative film for the exterior of an unmanned aerial vehicle and its preparation method and application, comprising the following steps:
[0082] Step 1: Prepare the materials and experimental instruments required for the experiment;
[0083] Step 2: Heat polyacrylonitrile, N,N-dimethylacetamide, polyvinyl pyrrolidone, polyimide YJ-16 and polymethyl methacrylate in a dissolving tank to 70°C according to the ratio, Dissolve for 4-6 hours, then stand for degassing for 24 hours and perform dry-wet spinning at room temperature to obtain a carbon fiber base film;
[0084] Step 3: Fix the two ends of the PAN base film and put it into the furnace, and pass in air for pre-oxidation treatment. The heating rate is 8°C / min. After the temperature rises to 240°C, it is kept at a constant temperature. The carbonization is maintained at a fixed length in a high-purity nitrogen atmosphere. Under the circumstances, obtain the PAN base film;
[0085] Step 4: Take out the ca...
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