Flexible flexional active-deicing super-hydrophobic anti-ice-coating composite material and preparation method and application thereof
A composite material and anti-icing technology, applied in the field of anti-icing materials, can solve the problems of reduced anti-icing effect of super-hydrophobic surface, easily damaged rough structure, difficult to achieve large-area preparation, etc., and achieves easy operation and simple preparation method. , the effect of easy control
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[0038] Example 1
[0039] Weigh 10 grams of room temperature vulcanized liquid silicone rubber (SR, grade #107, produced by Jinan Duoweiqiao Chemical Co., Ltd.), add 3 ml of n-hexane, and stir evenly; add 1 ml of ethyl orthosilicate (Shanghai Maclean Biochemical Company) Production, purity: 98%) as curing agent, add 0.5 ml of dibutyltin dilaurate (produced by Shanghai Macleans Biochemical Company, purity: 98%) as a catalyst, stir evenly, pour the mixture into a cavity with a volume of 100mm×100mm ×3mm polytetrafluoroethylene (PTFE) mold, put it in a vacuum oven, vacuum and stand for 10 minutes to remove bubbles, take it out, put it in a 50℃ blast drying oven for 40 minutes, wait for the surface to enter a semi-cured state, and get a half Cured silicone rubber; weigh 20 mg of carboxylated multi-walled carbon nanotubes (CNTs, produced by Nanjing Xianfeng Nano Material Technology Co., Ltd., average diameter: 100 nanometers, length: 10-20 microns, purity: 95%), silicon carbide powder...
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[0042] Example 2
[0043] Weigh 10 grams of room temperature vulcanized liquid silicone rubber (SR, grade #107), add 3 ml of n-hexane, and stir evenly; add 1 ml of ethyl orthosilicate as curing agent, add 0.5 ml of dibutyl tin dilaurate as catalyst, and stir. Evenly, pour the mixture into a polytetrafluoroethylene (PTFE) mold with a cavity volume of 100mm×100mm×3mm, put it in a vacuum oven, vacuum and let it stand for 10 minutes to remove bubbles, take it out, and put it in a 50℃ blast drying oven Place it in the middle for 40 minutes and wait for the surface to enter the semi-cured state; weigh 20 mg of carboxylated multi-walled carbon nanotubes (average diameter: 100 nanometers, length: 10-20 microns, purity: 95%), and 10 mg of silicon carbide powder. Add 2 ml of ethyl orthosilicate and 100 μl of perfluorodecyltrimethoxysilane to 100 ml of absolute ethanol, and ultrasonically disperse for 30 minutes to obtain a suspension; use a spray gun to make the obtained suspension vertica...
Example Embodiment
[0047] Example 3
[0048] Weigh 10 grams of room temperature vulcanized liquid silicone rubber (SR, grade #107), add 3 ml of n-hexane, and stir evenly; add 1 ml of ethyl orthosilicate as curing agent, add 0.5 ml of dibutyl tin dilaurate as catalyst, and stir. Evenly; pour the mixture into a polytetrafluoroethylene (PTFE) mold with a cavity volume of 100mm×100mm×3mm, put it in a vacuum oven, vacuum and let it stand for 10 minutes to remove air bubbles, take it out and put it in a 50°C blast drying oven Place it in the middle for 40 minutes and wait for the surface to enter a semi-cured state; weigh 20 mg of carboxylated multi-walled carbon nanotubes (average diameter: 100 nanometers, length: 10-20 microns, purity: 95%), and 100 mg of silicon carbide powder. Add 2 ml of ethyl orthosilicate and 100 μl of perfluorodecyltrimethoxysilane to 100 ml of absolute ethanol, and ultrasonically disperse for 30 minutes to obtain a suspension; use a spray gun to make the obtained suspension vert...
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