A kind of interior wall insulation coating
A technology for thermal insulation coatings and interior walls, which can be used in reflective/signal coatings, coatings, etc., to solve problems such as heat loss, high building energy consumption, and influence on the promotion of building energy conservation policies.
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[0083] The present invention has no special limitation on the preparation method of the interior wall thermal insulation coating, and the preparation method of the interior wall coating well-known to those skilled in the art can be adopted. In the present invention, the interior wall thermal insulation coating is preferably prepared according to the following method:
[0084] Mixing water, additives and inorganic fillers to obtain a mixture;
[0085] ultrafine the mixture to obtain ultrafine particles;
[0086] mixing the ultra-fine particles with infrared reflective pigments with a refractive index of 2.0 or more and a particle size of not less than 1 μm, doped semiconductors, and metal-coated hollow microspheres to obtain a slurry;
[0087] The slurry is mixed with a coating resin to obtain an interior wall thermal insulation coating.
[0088] In the invention, water, additives and inorganic fillers are firstly mixed to obtain a mixture. In the present invention, there is...
Embodiment 1
[0108] 5 g of TiO with a particle size of 5 μm 2 Add 200mL distilled water to form a slurry, add 0.1g sodium hexametaphosphate and stir to make TiO 2 fully dispersed; then 1gNa 2 CO 3 Dissolve 2.5g of direct light-fast turquoise blue GL in hot water at 85°C~90°C, add the obtained color pigment solution into the above slurry after proper stirring, adjust the pH of the reaction solution and keep it constant, and carry out constant temperature coloring for 2.5h ; the BaCl 2 Dissolve in hot water at 80°C, add to the above-mentioned colored solution in 5 times, and then add OP emulsifier and color-fixing agent Y diluted with water in turn; after stirring and mixing for 3 hours, wash, filter and After drying, a colored infrared reflective pigment is obtained.
Embodiment 2
[0110]In parts by weight, add 22 parts of water into the batching tank, add 1 part of sodium polyphosphate, 2 parts of alcohol ester twelve, 1 part of silicone defoamer, 1 part of propylene glycol and 1 part of cellulose ether to thicken After stirring evenly, add 22 parts of ordinary titanium dioxide with a particle size of 1 μm, and disperse the obtained mixture at a speed of 100 rpm; then superfine the dispersed mixture under the strong shear of a high-speed disperser ; Add 20 parts of rutile titanium dioxide with a particle size of 6 μm to the ultra-fine mixture, and disperse evenly; then add 30 parts of acrylate emulsion to it, and disperse to obtain the base paint;
[0111] Adding defoamer, leveling agent and thickener to the obtained base paint to adjust the required viscosity to obtain the interior wall thermal insulation paint.
[0112] The performance of the coating that the present invention detects obtains, concrete process is as follows:
[0113] "GB / T9756-2009 S...
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