A kind of preparation method of silk composite thermal insulation fiber
A composite thermal insulation and composite fiber technology, which can be used in fiber processing, fiber chemical characteristics, cellulose/protein conjugated rayon, etc., can solve problems such as poor thermal insulation performance, achieve good thermal insulation effect, improve compatibility, The effect of reducing heat loss
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Embodiment 1
[0024] Prepare the silk composite thermal insulation fiber according to the following steps:
[0025] (1) Dissolve vanadium pentoxide in water, stir magnetically until dissolved, add hydrogen peroxide, continue magnetic stirring until a sol is formed, add yttrium oxide, heat to 90°C, stir at a constant temperature to dissolve, then add magnesium acetate, acetic acid, pentoxide The mass ratio of vanadium, water, hydrogen peroxide, yttrium oxide, magnesium acetate, and acetic acid is 5:300:12:2:3:10. Stir at a constant temperature of 90°C to dissolve the magnesium acetate and acetic acid, and then transfer to a water bath at 70°C to concentrate To obtain the composite sol, immerse the glass rod in the composite sol, lift it up and draw the gel fiber, place the gel fiber in a vacuum oven at 70°C for 20 hours, and obtain the composite fiber;
[0026] (2) Add the silicone oil into the water, stir until it is uniformly dispersed to obtain a silicone oil solution with a mass concentr...
Embodiment 2
[0030] Prepare the silk composite thermal insulation fiber according to the following steps:
[0031] (1) Dissolve vanadium pentoxide in water, stir magnetically until dissolved, add hydrogen peroxide, continue magnetic stirring until a sol is formed, add yttrium oxide, heat to 90°C, stir at a constant temperature to dissolve, then add magnesium acetate, acetic acid, pentoxide The mass ratio of vanadium, water, hydrogen peroxide, yttrium oxide, magnesium acetate, and acetic acid is 5:300:12:2:3:10. Stir at a constant temperature of 90°C to dissolve the magnesium acetate and acetic acid, and then transfer to a water bath at 70°C to concentrate To obtain the composite sol, immerse the glass rod in the composite sol, lift it up and draw the gel fiber, place the gel fiber in a vacuum oven at 70°C for 20 hours, and obtain the composite fiber;
[0032] (2) Add the silicone oil into the water, stir until it is uniformly dispersed to obtain a silicone oil solution with a mass concentr...
Embodiment 3
[0036] Prepare the silk composite thermal insulation fiber according to the following steps:
[0037] (1) Dissolve vanadium pentoxide in water, stir magnetically until dissolved, add hydrogen peroxide, continue magnetic stirring until a sol is formed, add yttrium oxide, heat to 90°C, stir at a constant temperature to dissolve, then add magnesium acetate, acetic acid, pentoxide The mass ratio of vanadium, water, hydrogen peroxide, yttrium oxide, magnesium acetate, and acetic acid is 5:300:12:2:3:10. Stir at a constant temperature of 90°C to dissolve the magnesium acetate and acetic acid, and then transfer to a water bath at 70°C to concentrate To obtain the composite sol, immerse the glass rod in the composite sol, lift it up and draw the gel fiber, place the gel fiber in a vacuum oven at 70°C for 20 hours, and obtain the composite fiber;
[0038] (2) Add the silicone oil into the water, stir until it is uniformly dispersed to obtain a silicone oil solution with a mass concentr...
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