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A kind of preparation method of inorganic foam building insulation material
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A technology for building thermal insulation and inorganic foam, applied in the field of building materials preparation, can solve the problems of unfavorable promotion, high bulk density and high thermal conductivity, and achieve the effects of improving airtightness, uniform pore size distribution and good apparent density
Inactive Publication Date: 2016-01-20
SHANGLUO UNIV
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Abstract
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Problems solved by technology
At present, inorganic building insulation materials on the market mainly include expanded perlite, aerated concrete blocks, sulphoaluminosilicate inorganic insulation boards, etc. The biggest advantage of this type of material is its strong fire resistance. The coefficients are all high, which is not conducive to large-scale promotion
Method used
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Effect test
Embodiment 1
[0020] 1) Disperse 0.20kg of polypropylene fibers into 40kg of water, and stir for about 30s to disperse evenly; then add 25kg of fly ash and 40kg of sulfoaluminosilicate cement in turn, and stir for 1min to make them evenly; then add 0.25kg of Manganese dioxide and mixed uniformly; finally add 0.44kg of calcium stearate, 2kg of perlite and 0.20kg of triethanolamine successively and stir for 30s to mix uniformly to obtain unfoamed slurry;
[0021] 2) Add 2.10kg of hydrogen peroxide with a mass concentration of 30% to the unfoamed slurry, then stir for 15s, cast the obtained pre-foamed slurry into shape, and then undergo maintenance, demoulding, cutting, etc. to obtain inorganic foam buildings Insulation Materials.
Embodiment 2
[0023] 1) Disperse 0.20kg of polypropylene fibers into 40kg of water, stir for about 30s to disperse evenly; then add 25kg of fly ash and 40kg of sulphoaluminosilicate cement in sequence, and stir for 1min to make them evenly; then add 0.40kg of Manganese oxide and mix uniformly; finally add 0.44kg calcium stearate, 2.5kg perlite and 0.22kg triethanolamine in turn and stir for 30s to mix uniformly to obtain unfoamed slurry;
[0024] 2) Add 2.10 kg of hydrogen peroxide with a mass concentration of 30% to the unfoamed slurry, then stir for 15 seconds, cast the pre-foamed slurry into shape, and then maintain, demould, and cut to obtain inorganic foam building insulation Material.
Embodiment 3
[0026] 1) Disperse 0.20kg of polypropylene fibers into 40kg of water, stir for about 30s to disperse evenly; then add 25kg of fly ash and 40kg of sulphoaluminosilicate cement in sequence, and stir for 1min to make them evenly; then add 0.3kg of Oxide manganese and mix well; finally add 0.44kg of calcium stearate, 3kg of perlite and 0.20kg of triethanolamine in turn and stir for 30s to mix evenly to obtain unfoamed slurry;
[0027] 2) Add 2.10 kg of hydrogen peroxide with a mass concentration of 30% to the unfoamed slurry, then stir for 15 seconds, cast the pre-foamed slurry into shape, and then maintain, demould, and cut to obtain inorganic foam building insulation Material.
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Abstract
The invention provides a preparation method of an inorganic foam building thermal insulation material. The preparation method comprises the following steps: dispersing polypropylene fibers, pulverized fuel ash, sulphate aluminosilicate cement, calcium stearate, perlite, manganese dioxide and triethanolamine to water, and stirring, thus obtaining unfoamed slurry; and adding hydrogen peroxide with 30% of mass concentration to the unfoamed slurry, then molding the obtained pre-foamed slurry by casting, maintaining, demolding, and cutting, thus obtaining the inorganic foam building thermal insulation material. The preparation method has the advantages that the foaming process is controlled by controlling the mixing amount of the manganese dioxide catalyst so as to ensure the strength of the inorganic foam building thermal insulation material, simultaneously reduces the heat conductivity of the inorganic foam building thermal insulation material and enhances the heat preservation effect of the inorganic foam building thermal insulation material, the perlite is added so as to serve as an anti-collapse agent so as to reduce the rejection rate, and meanwhile, the triethanolamine is added so as to improve the property of the inorganic foam thermal insulation material. Compared with materials of the same kind, the inorganic foam building thermal insulation material has the characteristics of high strength, low heat conductivity, small volume weight, burning resistance, flame resistance and the like.
Description
technical field [0001] The invention relates to a preparation method of a building material, in particular to a preparation method of an inorganic foam building insulation material. Background technique [0002] At present, the commonly used building insulation materials at home and abroad are divided into two types: organic matter and inorganic matter. Organic building insulation materials include polystyrene foam (EPS, XPS), polyurethane rigid foam (PU), etc., which have the advantages of light weight, heat preservation, heat insulation, and waterproof. However, these organic foam materials are prone to aging and cannot last the same life as the building. During the service life of the building, the insulation layer needs to be replaced many times. In addition, EPS, XPS, PU, etc. are polymer organic materials, which have defects such as flammability, low temperature resistance, fast burning speed, and a large amount of toxic gas, which poses a great fire hazard. [000...
Claims
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Application Information
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