Graphene modified slurry insulation material and preparation method thereof
A graphene modification and thermal insulation material technology, applied in the field of building materials, can solve the problems of low thermal conductivity, high water absorption, low construction efficiency, etc., and achieve the effects of low thermal conductivity, small deformation coefficient and long service life
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Embodiment 1
[0022] A graphene-modified slurry insulation material, calculated in parts by weight, comprises the following raw materials:
[0023] 5 parts of polystyrene particles, 30 parts of epoxy modified phenolic resin, 10 parts of coated expanded perlite, 5 parts of graphene, 3 parts of methylphenylmethoxy silicone oil, 1 part of dibutyltin dilaurate and nitrile 0.1 part of rubber, wherein, the graphene is obtained by modifying tert-butylphenol-formaldehyde resin after being soaked in sodium hydroxide solution, and 5 wt% pull-off powder is added in the sodium hydroxide solution.
[0024] Wherein, the coated expanded perlite is prepared by the following method:
[0025] a) Add expanded perlite to the coating machine and heat to 220°C, add fly ash and iron black powder, and stir evenly, wherein the mass ratio of expanded perlite to fly ash and iron black powder is 100:2: 4;
[0026] b) Spray distilled water on one end of the coating machine to soak the expanded perlite, spray epoxy re...
Embodiment 2
[0032] A graphene-modified slurry insulation material, calculated in parts by weight, comprises the following raw materials:
[0033] 8 parts of polystyrene particles, 20 parts of epoxy modified phenolic resin, 13 parts of coated expanded perlite, 7 parts of graphene, 4 parts of methyl phenyl methoxy silicone oil, 2 parts of solid calcium zinc stabilizer and hydroxybutyrate 0.5 part of nitrile rubber, wherein, the graphene is modified by tert-butyl phenolic resin after soaking in sodium hydroxide solution, and 7wt% pull-off powder is added in the sodium hydroxide solution.
[0034] Coated expanded perlite is prepared by:
[0035] a) Add expanded perlite to the coating machine and heat to 200°C, add fly ash and iron black powder, and stir evenly, wherein the mass ratio of expanded perlite to fly ash and iron black powder is 100:1: 2;
[0036] b) Spray distilled water on one end of the coating machine to soak the expanded perlite, spray epoxy resin powder on the other end, and...
Embodiment 3
[0042] A graphene-modified slurry insulation material, calculated in parts by weight, comprises the following raw materials:
[0043] 10 parts of polystyrene particles, 40 parts of epoxy modified phenolic resin, 15 parts of coated expanded perlite, 10 parts of graphene, 5 parts of methyl phenyl methoxy silicone oil, 3 parts of liquid calcium zinc stabilizer and natural rubber 1 part, wherein, the graphene is modified by tert-butyl phenolic resin after soaking in sodium hydroxide solution, and 5-8wt% pull-off powder is added in the sodium hydroxide solution.
[0044] The coated expanded perlite is prepared by the following method:
[0045] a) Add expanded perlite to the coating machine and heat to 250°C, add fly ash and iron black powder, and stir evenly, wherein the mass ratio of expanded perlite to fly ash and iron black powder is 100:3: 4;
[0046] b) Spray distilled water on one end of the coating machine to soak the expanded perlite, spray epoxy resin powder on the other...
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