Nanometer modified capsule material for high-altitude aerostat and preparation method thereof
A nano-modification and nano-material technology, which is applied in the field of aerospace materials, can solve the problems of further improvement of comprehensive performance, achieve excellent sunlight reflection performance, easy operation and control, and small absorption effect
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[0022] Example 1
[0023] Such as figure 1 As shown, the capsule material of the present invention includes a weather-resistant membrane layer 1, a nano-modified glue layer 2, a mechanical structure layer 3, and a nano-modified welding glue layer 4. The mechanical structure layer 3 is a PBO high-strength fiber plain woven fabric , One side of the mechanical structure layer 3 is connected to the barrier weather-resistant film layer 1 through the nano-modified glue layer 2, the other side of the mechanical structure layer 3 is connected to the nano-modified soldering glue layer 4, and the nano-modified soldering glue layer 4 is polyurethane hot melt adhesive with nanomaterials.
[0024] The barrier weather-resistant film layer 1 is a surface-treated single-layer double-sided aluminum-plated TPU film with a thickness of 10-20 μm.
[0025] The nano-modified glue layer 2 is a polyurethane glue containing nano-materials, and the addition amount of the nano-materials is 0.5%-1%.
[0026] Th...
Example Embodiment
[0029] Example 2
[0030] Such as figure 2 As shown, the preparation method of the capsule material of the present invention includes the following steps:
[0031] Step 1: Use the laminating machine to glue and compound the single-layer double-sided aluminum-plated TPU film. After the corona, the nano-modified polyurethane glue is uniformly coated, and the corona-treated PBO high-strength fiber plain weave cloth After the lamination and compounding are completed, it is wound up and cured for one day at a temperature of 80℃~100℃ to obtain a fully cured composite cloth;
[0032] Step 2: Scrape the surface of the composite cloth obtained in Step 1 with polyurethane hot melt adhesive added with nanomaterials, dry the release film in a long drying tunnel, and then rewind and mature to obtain the capsule material.
[0033] In this embodiment, TPU double-sided aluminized film and PBO high-strength fiber plain woven cloth are used for compounding, and a nano-modified polyurethane two-compon...
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