Nano-modified inorganic heat insulation board and preparation process thereof
An inorganic insulation board and nano-modification technology, applied in the field of building materials, can solve problems such as poor thermal performance, small dry-wet deformation, low water absorption, etc., to achieve improved crack resistance integrity, excellent compatibility, and resource conservation Effect
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[0030] Example 1
[0031] A nano-modified inorganic thermal insulation board, comprising a cement-based lightweight reinforced thermal insulation board core material and a nano-level high molecular polymer emulsion permeable coating. The cement-based lightweight reinforced thermal insulation board core material is composed of the following raw materials by weight percentage :Portland cement 58%, silica fume 3.1%, fly ash 3.6%, water 30%, aluminate 0.1%, chloride 0.33%, stearate water repellent 0.3%, nano graphite 1.5% , 0.2% modified polypropylene fiber, 0.07% naphthalene dispersant, 2.8% hydrogenated foaming agent.
[0032] Wherein, the nanometer high molecular polymer emulsion in the nanometer high molecular polymer emulsion permeable coating is a silicone modified acrylic emulsion, and the penetration depth is 0.8 mm.
[0033] The preparation process of the nano-modified inorganic thermal insulation board specifically includes the following steps:
[0034] (1) Pour water, Portland...
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[0036] Example 2
[0037] A nano-modified inorganic thermal insulation board, comprising a cement-based lightweight reinforced thermal insulation board core material and a nano-level high molecular polymer emulsion permeable coating. The cement-based lightweight reinforced thermal insulation board core material is composed of the following raw materials by weight percentage :
[0038] Ordinary Portland cement 62%, fly ash 4.4%, water 28%, aluminate 0.1%, sulfate 0.45%, stearate water repellent 0.7%, nanometer graphite 1%, modified polypropylene Fiber 0.3%, polycarboxylic acid dispersant 0.05%, hydrogenated foaming agent 3%.
[0039] Wherein, the nanometer high molecular polymer emulsion in the nanometer high molecular polymer emulsion penetrating coating is a silicone modified styrene-acrylic emulsion, and the penetration depth is 0.5 mm.
[0040] The preparation process of the nano-modified inorganic thermal insulation board specifically includes the following steps:
[0041] (1) Pou...
Example Embodiment
[0043] Example 3
[0044] A nano-modified inorganic thermal insulation board, comprising a cement-based lightweight reinforced thermal insulation board core material and a nano-level high molecular polymer emulsion permeable coating. The cement-based lightweight reinforced thermal insulation board core material is composed of the following raw materials by weight percentage :
[0045] Portland cement 60%, mineral powder 5%, water 28.84%, triethanolamine 0.03%, aluminate 0.15%, stearate water repellent 0.6%, nanometer graphite 2%, modified polypropylene fiber 0.4 %, 0.08% naphthalene dispersant, 2.9% hydride foaming agent.
[0046] Wherein, the nanometer high molecular polymer emulsion in the nanometer high molecular polymer emulsion penetrating coating is a silicone modified acrylic emulsion, and the penetration depth is 0.7 mm.
[0047] The preparation process of the nano-modified inorganic thermal insulation board specifically includes the following steps:
[0048] (1) Pour water, P...
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