Preparation method of flame-retardant conductive paper/glass fiber composite
A flame retardant composite material and glass fiber technology, applied in chemical instruments and methods, textiles and papermaking, synthetic resin layered products, etc., to achieve the effects of improving comprehensive performance, improving flame retardant performance, and reducing heat release rate
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Embodiment 1
[0028] This embodiment is a method for preparing a highly flexible conductive paper / glass fiber flame-retardant composite material, which is specifically carried out according to the following steps:
[0029] (1) Oxidation of carbon nanotubes: Put single-wall or multi-wall carbon nanotubes into a three-necked flask, then mix ammonia water and hydrogen peroxide evenly to obtain mixed solution I, and add the mixed solution I dropwise until there is single-wall or multi-wall carbon nanotubes. In a three-necked flask containing nanotubes, stir at room temperature for 5h to 10h, filter with suction to obtain oxidized carbon nanotubes, wash them repeatedly with deionized water for 5 to 8 times, and place the washed oxidized carbon nanotubes at 90°C Dry 5h in the baking oven, obtain the carbon nanotube of dry oxidation; The volume ratio of described ammoniacal liquor and hydrogen peroxide is 1:(0.5~2); The volume of described ammoniacal liquor and single-wall or multi-wall carbon nano...
Embodiment 2
[0037] (1) Oxidation of carbon nanotubes: Put single-wall or multi-wall carbon nanotubes into a three-necked flask, then mix ammonia water and hydrogen peroxide evenly to obtain mixed solution I, and add the mixed solution I dropwise until there is single-wall or multi-wall carbon nanotubes. In a three-necked flask containing nanotubes, stir at room temperature for 5 hours, filter with suction to obtain oxidized carbon nanotubes, wash repeatedly with deionized water for 8 times, put the washed oxidized carbon nanotubes into an oven at 90°C for drying 5h, to obtain dry oxidized carbon nanotubes; the volume ratio of the ammonia and hydrogen peroxide is 1:0.5; the volume of the ammonia and the mass ratio of single-wall or multi-wall carbon nanotubes is 1L:5g; The mass concentration of the ammonia water is 25%~28%; the mass concentration of the hydrogen peroxide is 30%.
[0038] (2) Disperse oxidized carbon nanotubes, nano-silicon with a median particle size of 15nm, propylene alc...
Embodiment 3
[0045] (1) Oxidation of carbon nanotubes: Put single-wall or multi-wall carbon nanotubes into a three-necked flask, then mix ammonia water and hydrogen peroxide evenly to obtain mixed solution I, and add the mixed solution I dropwise until there is single-wall or multi-wall carbon nanotubes. In a three-necked flask containing nanotubes, stir at room temperature for 5h to 10h, filter with suction to obtain oxidized carbon nanotubes, wash them repeatedly with deionized water for 5 to 8 times, and place the washed oxidized carbon nanotubes at 90°C Dry 5h in the baking oven, obtain the carbon nanotube of dry oxidation; The volume ratio of described ammoniacal liquor and hydrogen peroxide is 1:(0.5~2); The volume of described ammoniacal liquor and single-wall or multi-wall carbon nanotube The mass ratio is 1L:(5g-40g); the mass concentration of the ammonia water is 25%-28%; the mass concentration of the hydrogen peroxide is 30%.
[0046] (2) Disperse oxidized carbon nanotubes, nano...
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