Preparation method for low-cost environmentally-friendly modified phenolic resin fireproof thermal-insulation board
A fire-proof insulation board and phenolic resin technology, applied in the field of building materials, can solve the problems of secondary pollution of the environment, and achieve the effects of improving strength and toughness, solving the problem of corners and waste material inventory, and reducing brittleness
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Embodiment 1
[0016] According to the mass, 10 parts of phenolic resin fire insulation board corners, waste materials, 90 parts of expandable phenolic resin, 2 parts of talcum powder, 3 parts of polyethylene glycol PEG-800 (modifier), 2 parts of H202 (surface active agent), 2 parts of n-pentane (foaming agent) mixed, after stirring evenly, then add 10 parts of xylenesulfonic acid and sulfuric acid in a mass ratio of 4:1 mixed solution (curing agent), wherein the solvent is 4:1 water: Methanol, stirred and poured into a mold to obtain a phenolic resin fireproof insulation board.
Embodiment 2
[0018] According to the mass, 15 parts of phenolic resin fire insulation board corners, waste materials, 85 parts of expandable phenolic resin, 10 parts of talcum powder, 6 parts of polyethylene glycol PEG-800 (modifier), 4 parts of H202 (surface active agent), 4 parts of n-pentane (foaming agent) mixed, after stirring evenly, then add 12 parts of xylenesulfonic acid and sulfuric acid in a mass ratio of 4:1 mixed solution (curing agent), wherein the solvent is 4:1 water: Methanol, stirred and poured into a mold to obtain a phenolic resin fireproof insulation board.
Embodiment 3
[0020] According to the mass, 18 parts of phenolic resin fire insulation board corners, waste materials, 82 parts of expandable phenolic resin, 8 parts of talcum powder, 7 parts of polyethylene glycol PEG-1000 (modifier), 6 parts of H202 (surface active agent), 6 parts of n-pentane (foaming agent) mixed, after stirring evenly, then add 14 parts of p-xylenesulfonic acid and sulfuric acid in a mass ratio of 4:1 mixed solution (curing agent), wherein the solvent is 4:1 water : Methanol, stirred and poured into a mold to obtain a phenolic resin fireproof insulation board.
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