A UV-resistant near-space airship
A near-space, UV-resistant technology, applied in the field of airships, can solve the problems of airship skin performance adverse effects, air bubbles, wrinkles, etc.
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[0010] According to the present invention, the airship skin in adjacent space comprises a weather-resistant layer, a primer layer, a load-bearing layer, an adhesive layer, a helium-blocking layer and a heat-sealing layer sequentially from the outside to the inside. The heat-sealing layer is polyurethane film, the helium barrier layer is aluminum-plated polyester (Al-PET) film, the adhesive layer is polycarbonate, the load-bearing layer is PBO plain fabric, and the primer layer is two-component epoxy polyamide. The weather-resistant layer is nano-fluorocarbon coating. Preferably, the thickness of the heat-sealing layer is 18 microns; the helium barrier layer is based on a PET film, and a thin and dense metal aluminum film is deposited on it by magnetron sputtering process, and the surface density of the substrate PET film is 60g / m 2 , the thickness of the aluminum coating is 70 nanometers, the thickness of the helium barrier layer is 34 microns, the thickness of the bonding l...
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