Dry powder interface treating agent for aerated concrete and preparation method thereof
An interface treatment agent and air-entrained concrete technology, which is applied in the field of building materials, can solve the problems of failure to prevent the rapid absorption of water by air-entrained concrete, the work performance of the interface agent needs to be improved, and the shrinkage and deformation of the interface layer wall are large, so as to achieve improvement. Bond strength and compactness, improvement of compactness and impermeability, effects of inhibiting generation and expansion
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Embodiment 1
[0022] S1: Weigh 100 parts of cement, 30 parts of fly ash, 20 parts of slag powder, 3 parts of redispersible latex powder, 200 parts of sand, 0.1 part of hydroxypropyl methylcellulose, and 2 parts of sulphoaluminate expansion agent 1 part, 1 part of cellulose fiber, 2 parts of polyvinyl alcohol fiber, 2 parts of nano silicon oxide.
[0023] S2: Add the weighed fly ash, slag powder, redispersible latex powder, sand, hydroxypropyl methyl cellulose, and sulphoaluminate expansion agent into the mixer and mix evenly, then add cement, continue to mix, Finally, add cellulose fibers, polyvinyl alcohol fibers, and nano silicon oxide, stir and mix to obtain a dry powder interface treatment agent.
Embodiment 2
[0025] S1: Weigh 100 parts of cement, 50 parts of fly ash, 30 parts of slag powder, 5 parts of redispersible latex powder, 300 parts of sand, 0.3 parts of hydroxypropyl methylcellulose, and 5 parts of sulphoaluminate expansion agent 3 parts, 3 parts of cellulose fiber, 5 parts of polyvinyl alcohol fiber, 3 parts of nano silicon oxide.
[0026] S2: Add the weighed fly ash, slag powder, redispersible latex powder, sand, hydroxypropyl methyl cellulose, and sulphoaluminate expansion agent into the mixer and mix evenly, then add cement, continue to mix, Finally, add cellulose fibers, polyvinyl alcohol fibers, and nano silicon oxide, stir and mix to obtain a dry powder interface treatment agent.
Embodiment 3
[0028] S1: Weigh 100 parts of cement, 35 parts of fly ash, 25 parts of slag powder, 2 parts of redispersible latex powder, 280 parts of sand, 0.15 parts of hydroxypropyl methylcellulose, and 3 parts of sulphoaluminate expansion agent 1.5 parts of cellulose fiber, 3 parts of polyvinyl alcohol fiber, and 2 parts of nano silicon oxide.
[0029] S2: Add the weighed fly ash, slag powder, redispersible latex powder, sand, hydroxypropyl methyl cellulose, and sulphoaluminate expansion agent into the mixer and mix evenly, then add cement, continue to mix, Finally, add cellulose fibers, polyvinyl alcohol fibers, and nano silicon oxide, stir and mix to obtain a dry powder interface treatment agent.
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