Material for fireproof sealing of cable entry
A cable entry, fire-proof and flame-retardant technology, which is applied in the direction of fire-proof paint, conductive paint, coating, etc., can solve the problems of damaged components in the box, lack of density, flow collapse, etc.
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Embodiment 1
[0017] A material suitable for fire-proof and flame-retardant sealing of cable inlets in substations. The raw materials include: by weight, 100 parts of ethylene-vinyl acetate copolymer (EVA), 20 parts of maleic anhydride grafted polypropylene, tung oil 30 parts, 10 parts of graphene nanofiber, 6 parts of azodicarbonamide (AC), 14 parts of antimony trioxide, 6 parts of dibenzoyl peroxide, 9 parts of stearic acid, 8 parts of octyl epoxy soybean oleate share.
[0018] The specific preparation method is as follows: adding graphene nanofibers into concentrated sulfuric acid and stirring at 60°C for 1 to 3 hours to obtain acidified graphene nanofibers; grafting EVA, maleic anhydride to polypropylene, tung oil, and acidifying Graphene nanofibers, epoxy octyl soybean oleate, and stearic acid were added to an internal mixer and banburyed at 100°C for 10 minutes. After mixing evenly, azodicarbonamide, antimony trioxide and diperoxide were added. Benzoyl, after banburying for 5 minutes...
Embodiment 2
[0020] A material suitable for fire-proof and flame-retardant plugging of cable inlets in substations. The raw materials include: 110 parts by weight of ethylene-vinyl acetate copolymer (EVA), 40 parts of maleic anhydride grafted polypropylene, tung oil 40 parts, 15 parts of graphene nanofiber, 6 parts of azodicarbonamide (AC), 13 parts of antimony trioxide, 5 parts of dibenzoyl peroxide, 10 parts of stearic acid, 10 parts of epoxy octyl soybean oleate share.
[0021] The specific preparation method is as follows: adding graphene nanofibers into concentrated sulfuric acid and stirring at 60°C for 1 to 3 hours to obtain acidified graphene nanofibers; grafting EVA, maleic anhydride to polypropylene, tung oil, and acidifying Graphene nanofibers, epoxy octyl soybean oleate, and stearic acid were added to an internal mixer and banburyed at 100°C for 10 minutes. After mixing evenly, azodicarbonamide, antimony trioxide and diperoxide were added. Benzoyl, after banburying for 5 minut...
Embodiment 3
[0023] A material suitable for fire-proof and flame-retardant plugging of cable inlets in substations. The raw materials include: by weight, 120 parts of ethylene-vinyl acetate copolymer (EVA), 50 parts of maleic anhydride grafted polypropylene, tung oil 50 parts, 15 parts of graphene nanofiber, 10 parts of azodicarbonamide (AC), 20 parts of antimony trioxide, 9 parts of dibenzoyl peroxide, 10 parts of stearic acid, 10 parts of epoxy octyl soybean oil share.
[0024] The specific preparation method is as follows: adding graphene nanofibers into concentrated sulfuric acid and stirring at 60°C for 1 to 3 hours to obtain acidified graphene nanofibers; grafting EVA, maleic anhydride to polypropylene, tung oil, and acidifying Graphene nanofibers, epoxy octyl soybean oleate, and stearic acid were added to an internal mixer and banburyed at 150°C for 10 minutes. After mixing evenly, azodicarbonamide, antimony trioxide and diperoxide were added. Benzoyl, after banburying for 5 minute...
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