A kind of preparation method of glass fiber cotton with wave-absorbing characteristic
A technology of glass fiber wool and glass fiber, applied in the field of glass fiber wool preparation, can solve the problems of limited application field, low product toughness, complicated operation, etc. Effect
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Embodiment 1
[0019] A kind of preparation method with the glass fiber wool of wave-absorbing characteristic, it is characterized in that comprising the following steps:
[0020] (1) preparation length is 3mm, and the glass fiber that diameter is 1 μm;
[0021] (2) Soak the glass fiber with a sulfuric acid solution with a concentration of 2mol / L, so that defects appear on the surface. The soaking time is 2 days. After soaking, take out the fiber and clean it and dry it;
[0022] (3) The wave-absorbing materials nickel ferrite, zinc ferrite, and manganese ferrite are formulated into nano-slurries with a solid content of 2% and a solid particle size of 10nm, and put them into the slurry tank, and put glass fibers into the nano-slurries After soaking in the pool for 1 day, take it out, dry and pyrolyze it at 100°C, and then you can make glass fiber wool with wave-absorbing properties.
[0023] Wherein, the nano slurry is an aqueous solution of ferrous sulfate and ferric sulfate, and the conce...
Embodiment 2
[0025] A kind of preparation method with the glass fiber wool of wave-absorbing characteristic, it is characterized in that comprising the following steps:
[0026] (1) preparation length is 8mm, and the glass fiber that diameter is 6 μm;
[0027] (2) Soak the glass fibers with a hydrofluoric acid solution of 5mol / L to make the surface defective. The soaking time is 5 days. After soaking, take out the fiber and clean it and dry it;
[0028] (3) The wave-absorbing materials nickel ferrite, zinc ferrite, and manganese ferrite are prepared into nano-slurries with a solid content of 20% and a solid particle size of 100nm, and put them into the slurry tank, and put the glass fibers into the nano-slurries After soaking in the pool for 2 days, take it out, dry and pyrolyze it at 600°C, and then make glass fiber wool with wave-absorbing properties.
[0029] Wherein, the nano slurry is an aqueous solution of ferrous sulfate and ferric sulfate, and the concentration of the sulfate is 6...
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