Preparation method for pressure resistant heat insulating material for building wall body
A technology for thermal insulation materials and building walls, applied in the field of thermal insulation materials, can solve the problems of poor wind pressure and impact resistance, poor firmness of the thermal insulation layer, high maintenance or rework costs, and short service life, so as to improve the thermal insulation effect, Low cost and good crack resistance
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Embodiment 1
[0017] A method for preparing a thermal insulation material for a pressure-resistant building wall, comprising the following steps:
[0018] S1. Stir 10kg gum arabic and 100kg dimethyl sulfoxide for 8 hours at 80°C, add 16kg of wollastonite powder and stir for 20min at a stirring speed of 700r / min, add 2.5kg of polyethylene-maleic anhydride copolymer and stir for 14h , the stirring temperature is 93°C, filtered, sent to a muffle furnace for calcination for 90min, the calcination temperature is 600°C, the temperature is lowered, and the preform is obtained by crushing;
[0019] S2. Stir 60kg of construction waste, 40kg of attapulgite, 25kg of diatomite, 25kg of carbon fiber, 10kg of expanded perlite, 45kg of prefabricated material, and 140kg of water for 4 hours at a stirring temperature of 85° C., and cool to obtain a premix;
[0020] S3. Mix 4kg silica sol, 2kg microcrystalline paraffin, 8kg methyl silicone oil, 1kg disproportionated rosin, 2kg potassium tartrate, 2kg ammonia...
Embodiment 2
[0022] A method for preparing a thermal insulation material for a pressure-resistant building wall, comprising the following steps:
[0023] S1. Stir 20kg gum arabic and 60kg dimethyl sulfoxide for 12 hours at 70°C, add 24kg of wollastonite powder and stir for 10 minutes at a stirring speed of 900r / min, add 1.5kg of polyethylene-maleic anhydride copolymer and stir for 20 hours , the stirring temperature is 85°C, filtered, sent to the muffle furnace for calcination for 120min, the calcination temperature is 500°C, the temperature is lowered, and the preform is obtained by crushing;
[0024] S2. Stir 80kg of construction waste, 30kg of attapulgite, 35kg of diatomite, 15kg of carbon fiber, 18kg of expanded perlite, 25kg of prefabricated material, and 180kg of water for 2 hours at a stirring temperature of 95° C., and cool to obtain a premix;
[0025] S3. Mix 2 kg of silica sol, 4 kg of microcrystalline paraffin, 4 kg of methyl silicone oil, 2 kg of disproportionated rosin, 1.2 kg...
Embodiment 3
[0027] A method for preparing a thermal insulation material for a pressure-resistant building wall, comprising the following steps:
[0028] S1. Stir 12kg gum arabic and 90kg dimethyl sulfoxide for 9 hours at 77°C, add 18-22kg of wollastonite powder and stir for 12min at a stirring speed of 850r / min, add 1.8kg of polyethylene-maleic anhydride copolymer Stir for 18 hours at a stirring temperature of 87°C, filter, send to a muffle furnace for calcination for 110 minutes at a calcination temperature of 530°C, lower the temperature, and pulverize to obtain a preform;
[0029] S2. Stir 75kg of construction waste, 33kg of attapulgite, 32kg of diatomite, 18kg of carbon fiber, 16kg of expanded perlite, 30kg of prefabricated material, and 170kg of water for 2.5 hours at a stirring temperature of 92°C, and cool to obtain a premix;
[0030] S3. Mix 2.5kg silica sol, 3.5kg microcrystalline paraffin, 5kg methyl silicone oil, 1.8kg disproportionated rosin, 1.4kg potassium tartrate, 3.5kg am...
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