External wall heat-insulation and fire-retardant material and preparation method thereof
A technology for flame-retardant materials and external wall insulation, applied in the field of thermal insulation and flame-retardant materials, can solve problems such as poor thermal insulation performance, achieve excellent fireproof performance, good water resistance, and increase the difficulty of fire extinguishing
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Embodiment 1
[0023] Take 60 parts by weight of expandable thermosetting phenolic resin (expandable phenolic resin PF-901 produced by Hebei Yuzheng Chemical Building Materials Co., Ltd.) and 40 parts by weight of thermosetting linear urea-formaldehyde resin (produced by Hubei Xingyinhe Fine Chemical Co., Ltd.), and place Stir in the reactor for 15 minutes; then add 5 parts by weight of Tween 80, and stir for 10 minutes; then add 10 parts by weight of quartz powder, 15 parts by weight of micropowder aluminum hydroxide, and 15 parts by weight of 4A zeolite, and stir for 30 minutes; then add 12 parts by weight of n-pentane, stir for 5 minutes; finally add 2 parts by weight of concentrated sulfuric acid (above 98%), stop stirring after 5 minutes, pour this material into a box-type mold and keep it warm at 70-80°C After 9-12 hours, cool down to room temperature to obtain the product.
Embodiment 2
[0025] Take 70 parts by weight of foamable phenolic resin and 30 parts by weight of thermosetting urea-formaldehyde resin, put them into the reaction kettle and stir for 10 minutes; then add 3 parts by weight of Tween 80, and stir for 15 minutes; 10 parts by weight of aluminum hydroxide, 10 parts by weight of 4A zeolite, stirred for 20 minutes; then added 5 parts by weight of n-pentane, stirred for 10 minutes; finally added 6 parts by weight of concentrated sulfuric acid, stopped stirring after stirring for 4 minutes, and poured the material into the box The product is molded in a type mold, kept at 70-80°C for 9-12 hours, and cooled to room temperature to obtain the product.
Embodiment 3
[0027] Take 65 parts by weight of foamable phenolic resin and 35 parts by weight of thermosetting urea-formaldehyde resin, put them into the reactor and stir for 20 minutes; then add 8 parts by weight of Tween 80 and stir for 20 minutes; 13 parts by weight of aluminum hydroxide, 20 parts by weight of 4A zeolite, stirred for 25 minutes; then added 8 parts by weight of n-pentane, stirred for 8 minutes; finally added 4 parts by weight of concentrated sulfuric acid, stopped stirring after stirring for 3 minutes, and poured the material into the box The product is molded in a type mold, kept at 70-80°C for 9-12 hours, and cooled to room temperature to obtain the product.
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