Rapid macromolecule machine-sprayable demulsification solidification filming waterproof coating and preparation method thereof
A waterproof coating and polymer technology, applied in polyester coatings, natural rubber coatings, polyurea/polyurethane coatings, etc., can solve the problems of limited application range, affecting efficacy, low solid content, etc., to achieve convenient construction and increase construction speed , the effect of high solid content
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[0041] Example 1
[0042] The distribution ratios of the raw materials for the machine-sprayable water-proof coating with rapid demulsification and solidification to form a film according to the present invention are as follows:
[0043] A component:
[0044] Acrylic resin 38.5%
[0045] Water 30%
[0046] Fatty acid ester polypeptide condensate 3%
[0047] Neoprene latex 17%
[0048] Styrene butadiene latex 16%
[0049] Active calcium carbonate (covered with stearic acid) 3%;
[0050] B component:
[0051] Alkaline earth metal halide electrolyte 30%
[0052] Water 70%.
[0053] The preparation method of the waterproof coating is as follows:
[0054] 1) Melt the acrylic resin and heat it to 180-210℃, stir for 60-120 minutes, add the emulsifier (fatty acid ester polypeptide condensate) at 140-160℃, stir and mix into the colloid mill, and grind together with the emulsifier for 20-40 Minutes; the temperature drops to 60℃ and distilled water is added to form a stable emulsion; the solid content re...
Example Embodiment
[0062] Example 2
[0063] The distribution ratios of the raw materials for the machine-sprayable rapid demulsification and solidification film-forming waterproof coating of the present invention are as follows:
[0064] A component:
[0065] Polyurethane resin 5%
[0066] Petroleum resin 32%
[0067] Zwitterionic emulsifier imidazoline type 2.5%
[0068] Neoprene latex 13%
[0069] Natural rubber latex 13%
[0070] Bentonite 1%
[0071] Water 33.5%;
[0072] B component:
[0073] Polyamide-amine dendrimer substance 30%
[0074] Polyamine condensate demulsifier 3%
[0075] Water 67%.
[0076] The preparation method of the above-mentioned waterproof coating is as follows:
[0077] 1) Melt polyurethane resin and petroleum resin together and heat to 150-155℃, stir for 60-120 minutes, add emulsifier (zwitterionic emulsifier imidazoline type), stir and mix at 140-160℃ into colloid mill, and emulsifier One mill for 20-40 minutes; add distilled water to lower the temperature below 60℃ to form a stable ...
Example Embodiment
[0085] Example 3
[0086] The distribution ratios of the raw materials of the machine-sprayable fast demulsification and solidification film-forming waterproof coating of the present invention are as follows:
[0087] A component:
[0088] Acrylic resin 7%
[0089] Alkyd resin 30%
[0090] Petroleum sulfonate 3%
[0091] Butyl rubber latex 12%
[0092] Styrene butadiene rubber latex 10%
[0093] Wollastonite powder 1%
[0094] Water 37%;
[0095] B component:
[0096] Alkaline earth metal halide electrolyte, 25%
[0097] Containing alkyl ether sulfate 3%
[0098] Water 72%.
[0099] The preparation method of the above polymer waterproof coating is as follows:
[0100] 1) Grind the alkyd resin and acrylic resin together, pour the mixture into a heating tank to melt and heat to about 180℃, stir for 60-120 minutes, add the emulsifier (petroleum sulphate), stir and mix at 120℃ into the colloid mill , Grind together with emulsifier for 20-40 minutes; add distilled water to lower the temperature bel...
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