Low-alkaline adhesive mortar compote vacuum heat insulation board and preparation method thereof
A technology of vacuum heat insulation and bonded mortar, which is applied in the direction of heat preservation, chemical instruments and methods, and insulation improvement, etc. It can solve the problems of reduced utilization rate, easy to be scratched, air leakage, etc., and achieve convenient construction and heat insulation effect Good results
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Embodiment 1
[0031] Embodiment 1: A low-alkali bonded mortar composite vacuum heat insulation board, comprising a vacuum heat insulation board and low-alkali bonded mortar covering its periphery.
[0032] The vacuum heat insulation board includes a core material, a high-strength gas-barrier film and interface mortar. The high-strength gas-barrier film is wrapped around the periphery of the core material, and is sealed with the core material by vacuum pumping. A layer of interface mortar is coated on the periphery of the high-strength gas barrier film, and the thickness of the interface mortar is 0.1-3mm.
[0033] The vacuum heat insulation board includes a core material and a high-strength gas-barrier film, and the high-strength gas-barrier film is wrapped around the core material and sealed with the core material by vacuuming.
[0034] The core material is calculated by 100 parts by weight, 40-90 parts of superfine silica powder, 0-45 parts of filler, 0-20 parts of inorganic core mate...
Embodiment 2
[0055] A low-alkali bonded mortar composite vacuum thermal insulation board comprises a vacuum thermal insulation board and low-alkali bonded mortar covering its periphery.
[0056] The vacuum heat insulation board includes a core material and a high-strength gas-barrier film, and the high-strength gas-barrier film is wrapped around the core material and sealed with the core material by vacuuming.
[0057] The core material is calculated by 100 parts by weight, 40-90 parts of superfine silica powder, 0-45 parts of filler, 0-20 parts of inorganic core material, 1-18 parts of fiber, and 0-3 parts of agent, 0-3 parts of vacuum stabilizer.
[0058] The ultrafine silica powder is a mixture composed of one or more of silica fume, silica fume, volcanic ash, microsilica powder, perlite powder, and silica powder mixed in any proportion, and its bulk density is 80 -280kg / m 3 , the specific surface area is 10-39m 2 / g, the average particle size is 0.1-2 microns.
[0059] The filler i...
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