Water-seepage-free, stuffy, humid and permanently-sprayed concrete supporting roadway white spraying coating and construction method
A construction method and coating technology, applied in the direction of cement coating, coating, primer, etc., can solve the problems of sprayed concrete layer texture mixed together, poor working conditions, dim lighting, etc., to reduce labor costs, improve the working environment, The effect of beautifying the working environment
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preparation example Construction
[0024] The preparation method of described coating A, comprises the following steps:
[0025] Add deionized water, butyl acrylate, methacrylate, acrylic acid, styrene, and inorganic silicon solution sequentially under low-speed stirring, heat up to 70°C and continue stirring for 10 minutes, then continue to add perfluoroalkyl acrylate, dodecyl Sodium alkylbenzenesulfonate, nonylphenol polyoxyethylene ether (OP-10) emulsifier, hydroxyethyl acrylate, ammonium persulfate, heated to 85°C and kept stirring for 1.5h, then cooled down to below 50°C, Add K20 antifungal agent under stirring, and adjust pH=7.5-8.0 with sodium bicarbonate at the same time, finally add polysiloxane emulsion, stir at low speed for 15-20 minutes, and then filter the material through a 200-mesh filter.
[0026] The preparation method of the coating B comprises the following steps: stirring and mixing cement, fly ash, talcum powder, ground calcium carbonate, hydroxypropyl methylcellulose ether, white quartz s...
Embodiment 1
[0038] No water seepage, stuffy, humid, permanent sprayed concrete support roadway spray white paint, including paint A and paint B, wherein, paint A includes the following raw materials in parts by weight: 0.3 parts of K20 antifungal agent, 6 parts of inorganic silicon solution, 55 parts of butyl acrylate , 36 parts of methacrylate, 6 parts of acrylic acid, 10 parts of styrene, 10 parts of perfluoroalkyl acrylate, 2 parts of sodium dodecylbenzenesulfonate, emulsified nonylphenol polyoxyethylene ether (OP-10) 4 parts of agent, 6 parts of polysiloxane emulsion, 2 parts of sodium bicarbonate, 5 parts of hydroxyethyl acrylate, 0.5 parts of ammonium persulfate, 60 parts of water;
[0039] The preparation method of coating A is as follows: Add deionized water, butyl acrylate, methacrylate, acrylic acid, styrene, and inorganic silicon solution in sequence according to the above ratio under low-speed stirring, and continue stirring for 5 minutes after heating up to 80°C. Continue to ...
Embodiment 2
[0043] No water seepage, sultry, humid permanent sprayed concrete support roadway spray white paint, including paint A and paint B, wherein, paint A includes the following raw materials in parts by weight: 0.1 part of K20 antifungal agent, 5 parts of inorganic silicon solution, 54 parts of butyl acrylate , 34 parts of methacrylate, 4 parts of acrylic acid, 8 parts of styrene, 5 parts of perfluoroalkyl acrylate, 1 part of sodium dodecylbenzenesulfonate, emulsified nonylphenol polyoxyethylene ether (OP-10) 2 parts of agent, 4 parts of polysiloxane emulsion, 1 part of sodium bicarbonate, 3 parts of hydroxyethyl acrylate, 0.1 part of ammonium persulfate, 70 parts of water;
[0044] Coating B includes the following raw materials in parts by weight: 35 parts of cement, 3 parts of fly ash, 7 parts of talcum powder, 70 parts of white quartz sand, 10 parts of heavy calcium carbonate, 0.45 parts of hydroxypropyl methylcellulose ether, additives 0.4 parts, 3 parts of VAE latex powder, an...
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