Water-based heat insulating paint for building and preparation technology thereof
A thermal insulation coating and preparation technology, which is applied in the field of architectural interior wall coatings, can solve the problems of thick construction and unsuitability for thermal insulation of building interior walls, etc., to reduce the amount of use, promote flow and leveling, and strong adhesion Effect
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Embodiment 1
[0028] A kind of preparation technology of building water-based thermal insulation coating of the present invention, comprises the following steps:
[0029] 1) Add the prescribed amount of constant temperature wax into a water bath and heat it to 30°C, add the prescribed amount of styrene-acrylic emulsion under stirring, and stir evenly to obtain a mixed solution for later use;
[0030]2) Add 60% of the formula amount of water into the disperser, add the formula amount of ethylene glycol, dispersant, wetting agent, preservative and 50% of the formula amount of defoamer while stirring, and stir evenly Finally, add rutile titanium dioxide, heavy calcium, and wollastonite powder under stirring, disperse evenly at a high speed of 1000r / min, and then transfer to a sand mill for high-speed sand grinding so that the fineness is less than 50 μm and filter to obtain mixture 1;
[0031] 3) Add the mixed solution obtained in step 1) to the mixture 1 after dispersion, sand grinding and fi...
Embodiment 2
[0036] A kind of preparation technology of building water-based thermal insulation coating of the present invention, comprises the following steps:
[0037] 1) Add the prescribed amount of constant temperature wax into a water bath and heat it to 40°C, add the prescribed amount of styrene-acrylic emulsion under stirring, and stir evenly to obtain a mixed solution for later use;
[0038] 2) Add 70% of the formula water into the disperser, and add ethylene glycol, dispersant, wetting agent, preservative and 50% formula defoamer while stirring, and stir well , add rutile titanium dioxide, heavy calcium, and wollastonite powder in a stirring state, disperse evenly at a high speed at a speed of 1500r / min, then transfer to a sand mill for high-speed sand grinding so that the fineness is less than 50 μm and filter to obtain a mixture 1;
[0039] 3) Add the mixed liquid obtained in step 1) to the mixture 1 after step 2) dispersion, sand grinding and filtration, and continue to stir an...
Embodiment 3
[0044] A kind of preparation technology of building water-based thermal insulation coating of the present invention, comprises the following steps:
[0045] 1) Add the prescribed amount of constant temperature wax into a water bath and heat it to 35°C, add the prescribed amount of styrene-acrylic emulsion under stirring, and stir evenly to obtain a mixed solution for later use;
[0046] 2) Add 65% of the formula water into the disperser, add ethylene glycol, dispersant, wetting agent, preservative and 50% formula defoamer while stirring, and stir well , add rutile titanium dioxide, heavy calcium, and wollastonite powder in a stirring state, disperse evenly at a high speed of 1300r / min, and then transfer to a sand mill for high-speed sand grinding so that the fineness is less than 50 μm and filter to obtain mixture 1;
[0047] 3) Add the mixed solution obtained in step 1) to the mixture 1 after step 2) dispersion, sand grinding and filtration, and continue to stir and disperse ...
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Abstract
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