Water-tolerant inorganic coating and preparation method thereof
A technology of inorganic coatings and raw materials, applied in the field of water-resistant inorganic coatings and their preparation, can solve the problems of easy bubbles, peeling off, and rainwater erosion of external wall coatings, so as to achieve long-term bright and new walls, high water resistance and durability, and mixing. High degree of uniformity
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Embodiment 1
[0062] A water-resistant inorganic coating mainly composed of the following raw materials by weight:
[0063] 0.3 parts of hydrophobically modified hydroxyethyl cellulose
[0064] 2 parts of multifunctional additives
[0065] 2.5 parts of dispersant
[0066] 2 parts of wetting agent
[0067] 25 parts of titanium dioxide
[0068] 80 parts heavy calcium carbonate
[0069] 20 parts of silicone acrylic emulsion
[0070] 2.5 parts of film forming aid
[0071] 0.2 parts of defoamer
[0072] 75 parts of potassium silicate
[0073] Thickener 0.5 parts
[0074] 6 parts of coupling agent
[0075] 80 parts of water.
[0076] The dispersant is a mixture of ammonium salt dispersant and silicate dispersant, and the mixing weight ratio is 1:1.5.
[0077] The thickener is a polyurethane thickener.
[0078] The multifunctional auxiliary agent is purchased from AMP-95 of Angus.
[0079] The coupling agent is a silane coupling agent.
[0080] The viscosity of the hydrophobically modified hydroxyethyl cellulose is 3000...
Embodiment 2
[0089] A water-resistant inorganic coating mainly composed of the following raw materials by weight:
[0090] 1.8 parts of hydrophobically modified hydroxyethyl cellulose
[0091] Multifunctional additives 0.5 parts
[0092] 5.5 parts of dispersant
[0093] Wetting agent 0.5 parts
[0094] 36 parts of titanium dioxide
[0095] 75 parts heavy calcium carbonate
[0096] 40 parts of silicone acrylic emulsion
[0097] 1.5 parts of film forming aid
[0098] 0.8 parts of defoamer
[0099] 55 parts of potassium silicate
[0100] Thickener 2 parts
[0101] Coupling agent 4 parts
[0102] 80 parts of water.
[0103] The dispersant is a mixture of ammonium salt dispersant and silicate dispersant, and the mixing weight ratio is 3:2.5.
[0104] The thickener is a polyurethane thickener.
[0105] The multifunctional auxiliary agent was purchased from Deqian MA-95.
[0106] The coupling agent is a silane coupling agent.
[0107] The viscosity of the hydrophobically modified hydroxyethyl cellulose is 30000 cps.
[...
Embodiment 3
[0116] A water-resistant inorganic coating mainly composed of the following raw materials by weight:
[0117] 1 part of hydrophobically modified hydroxyethyl cellulose
[0118] Multifunctional additives 1 part
[0119] Dispersant 3.5 parts
[0120] Wetting agent 1.5 parts
[0121] 30 parts of titanium dioxide
[0122] 78 parts heavy calcium carbonate
[0123] 30 parts of silicone acrylic emulsion
[0124] 2 parts of film forming aids
[0125] 0.5 parts of defoamer
[0126] 65 parts of potassium silicate
[0127] Thickener 1.5 parts
[0128] Coupling agent 5 parts
[0129] 85 parts of water.
[0130] The dispersant is a mixture of ammonium salt dispersant and silicate dispersant, and the mixing weight ratio is 2:1.5.
[0131] The thickener is a polyurethane thickener.
[0132] The multifunctional auxiliary agent is purchased from AMP-95 of Angus.
[0133] The coupling agent is a silane coupling agent.
[0134] The viscosity of the hydrophobically modified hydroxyethyl cellulose is 30000 cps.
[0135] ...
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