Self-heat-insulation light weight wallboard containing hollow ceramsites and preparation method thereof
A lightweight wallboard and self-insulating technology, applied in the field of building materials, can solve the problems that wallboards cannot well adapt to multi-functional and high-performance requirements, pollution discharge, energy consumption, etc., and achieve good resistance to tensile deformation, Saving resources, small holes and small effects
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Embodiment 1
[0034] Take the raw material according to the following parts by weight:
[0035] 42.5MPa ordinary Portland cement 23, slag powder 20, hollow ceramsite 9, closed-cell expanded perlite 8, expanded vermiculite 3, straw fiber 0.3, 30% hydrogen peroxide solution 6, gelatin 0.08, 30% potassium permanganate Aqueous solution 0.42, 200000 Pa.S hydroxypropyl methylcellulose 0.2, water 30.
[0036] After the raw materials are prepared, the preparation method is as follows:
[0037] (1) Mix the cement and fly ash or cement and slag powder, straw fiber, composite early strength agent and binder together for 2 to 4 minutes, and then mix according to the ingredients. The required water, foaming agent, stabilizer, and catalyst are added in sequence, and the stirring is continued for 4-8 minutes to obtain a slurry mixture;
[0038] (2) Add saturated hollow ceramsite, closed-cell perlite and expanded vermiculite to the slurry mixture obtained in step (1), stir for 2 to 4 minutes, a...
Embodiment 2
[0040] Take the raw material according to the following parts by weight:
[0041] 42.5MPa ordinary Portland cement 21, slag powder 25, hollow ceramsite 10, closed-cell expanded perlite 6.5, expanded vermiculite 3.5, straw fiber 0.35, 30% hydrogen peroxide solution 4.1, gelatin 0.05, 30% potassium permanganate Aqueous solution 0.35, 200000 Pa.S hydroxypropyl methylcellulose 0.15, water 31.
[0042] After the raw materials are prepared, the preparation method is as follows:
[0043] (1) Mix the cement and fly ash or cement and slag powder, straw fiber, composite early strength agent and binder together for 2 to 4 minutes, and then mix according to the ingredients. The required water, foaming agent, stabilizer, and catalyst are added in sequence, and the stirring is continued for 4-8 minutes to obtain a slurry mixture;
[0044] (2) Add saturated hollow ceramsite, closed-cell perlite and expanded vermiculite to the slurry mixture obtained in step (1), stir for 2 to 4 m...
Embodiment 3
[0046] Take the raw material according to the following parts by weight:
[0047] 42.5MPa ordinary Portland cement 20, slag powder 20, hollow ceramsite 11, closed-cell expanded perlite 8, expanded vermiculite 4.5, straw fiber 0.3, 30% hydrogen peroxide solution 3.5, gelatin 0.04, 30% potassium permanganate Aqueous solution 0.3, 200000 Pa.S hydroxypropyl methylcellulose 0.36, water 28.
[0048] After the raw materials are prepared, the preparation method is as follows:
[0049] (1) Mix the cement and fly ash or cement and slag powder, straw fiber, composite early strength agent and binder together for 2 to 4 minutes, and then mix according to the ingredients. The required water, foaming agent, stabilizer, and catalyst are added in sequence, and the stirring is continued for 4-8 minutes to obtain a slurry mixture;
[0050] (2) Add saturated hollow ceramsite, closed-cell perlite and expanded vermiculite to the slurry mixture obtained in step (1), stir for 2 to 4 minut...
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