A kind of light-weight thermal insulation flame-retardant composite membrane and preparation method thereof
A technology of flame-retardant compounding and membrane, which is applied in the field of building materials, can solve the problems of complex market, low technical barriers, and numerous problems, and achieve the effects of strong weather resistance, high strength, and low production cost
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Embodiment 1
[0026] In this embodiment, for the external wall insulation project of small and medium-sized high-rise buildings with a construction area of less than 100,000 square meters, the lightweight thermal insulation and flame-retardant composite membrane adopts a mold-based manual molding method:
[0027] (1) Weigh 30 parts of ordinary Portland cement with a strength of 42.5MPa, 6 parts of first-grade fly ash, 15 parts of expanded polystyrene pellets, 5 parts of hydrogen peroxide, and 16 parts of polypropylene anti-cracking fiber with a length of 9mm. Parts, 20 parts ash calcium, 10 parts tap water, 2 parts superplasticizer, 30 parts magnesium chloride, 2 parts redispersible latex powder and 0.8 parts coagulant;
[0028] (2) Add 50℃ tap water, fly ash, superplasticizer and ordinary Portland cement with strength of 42.5MPa in sequence, and then stir for 3 minutes to obtain slurry A;
[0029] (3) Add a 9mm length of polypropylene anti-cracking fiber, gray calcium, magnesium chloride, redis...
Embodiment 2
[0033] In this embodiment, for the external wall insulation project of small and medium-sized high-rise buildings with a construction area of less than 100,000 square meters, the lightweight thermal insulation and flame-retardant composite membrane adopts a mold-based manual molding method:
[0034] (1) Weigh 45 parts of ordinary Portland cement with a strength of 42.5MPa, 3 parts of first-grade fly ash, 8 parts of expanded polystyrene pellets, 3 parts of hydrogen peroxide, and 9mm length of polypropylene anti-cracking fiber 4 Parts, 15 parts gray calcium, 5 parts tap water at 50℃, 1 part superplasticizer, 26 parts magnesium chloride, 1.5 parts redispersible latex powder and 0.5 parts coagulant;
[0035] (2) Add 50℃ tap water, fly ash, superplasticizer and ordinary Portland cement with strength of 42.5MPa in sequence, and then stir for 3 minutes to obtain slurry A;
[0036] (3) Add a 9mm length of polypropylene anti-cracking fiber, gray calcium, magnesium chloride, redispersible la...
Embodiment 3
[0040] In this embodiment, for the external wall insulation project of small and medium-sized high-rise buildings with a construction area of less than 100,000 square meters, the lightweight thermal insulation and flame-retardant composite membrane adopts a mold-based manual molding method:
[0041] (1) Weigh 38 parts of ordinary Portland cement with a strength of 42.5MPa, 4 parts of first-grade fly ash, 13 parts of expanded polystyrene pellets, 4 parts of hydrogen peroxide, and 10 parts of polypropylene anti-cracking fiber with a length of 9mm. Parts, 18 parts gray calcium, 7 parts 40-60℃ tap water, 1.5 parts superplasticizer, 28 parts magnesium chloride, 1.75 parts redispersible latex powder and 0.65 parts coagulant;
[0042] (2) Add 50℃ tap water, fly ash, superplasticizer and ordinary Portland cement with strength of 42.5MPa in sequence, and then stir for 3 minutes to obtain slurry A;
[0043] (3) Add a 9mm length of polypropylene anti-cracking fiber, gray calcium, magnesium ch...
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Abstract
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