Primer-free water-based exterior wall coating
An exterior wall coating and primer-free technology, which is applied in the direction of coating, etc., to achieve the effects of cost saving, simplified construction steps and strong adhesion
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Embodiment 1
[0017] A primer-free water-based exterior wall paint. Its raw materials are calculated in parts by weight and are composed of the following components: 28 parts of water, 0.17 parts of bactericide, 0.2 parts of cellulose, 0.6 parts of dispersant, 0.20 Parts of wetting agent, 18 parts of antifreeze, 20 parts of film forming aids, 18 parts of titanium dioxide, 7 parts of kaolin, 3 parts of diatomaceous earth, 3 parts of mica powder, 7 parts of heavy calcium, 35 parts of water-based resin emulsion, 0.3 parts of defoamer, 0.45 parts of leveling agent, 0.05 parts of thickener.
[0018] The primer-free water-based exterior wall paint of this embodiment is prepared by the following preparation method:
[0019] (1) Weigh the raw material components according to the above-mentioned ratio, add deionized water into the reaction tank, stir at 150 rpm, add the bactericide, cellulose, dispersant, wetting agent, antifreeze, and then slowly add Film forming aid, then stir at 150rpm for 5min;
[00...
Embodiment 2
[0035] A primer-free water-based exterior wall paint. Its raw materials are calculated in parts by weight and are composed of the following components: 25 parts of water, 0.15 parts of bactericide, 0.3 parts of cellulose, 0.7 parts of dispersant, 0.2 Parts of wetting agent, 18 parts of antifreeze, 20 parts of film forming aids, 18 parts of titanium dioxide, 8 parts of kaolin, 3 parts of diatomaceous earth, 3 parts of mica powder, 7 parts of heavy calcium, 40 parts of water-based resin emulsion, 0.3 parts of defoamer, 0.5 parts of leveling agent, 0.1 parts of thickener.
[0036] The water-based resin emulsion used in this embodiment is styrene-ethylene copolymer emulsion with a solid content of 54 to 56%, such as Polyjia 818.
[0037] The wetting agent used is a polyoxyethylene alkylphenol ether wetting agent.
[0038] The dispersant used was Corning's polyacrylic acid ammonium salt dispersant 963.
[0039] The defoamer used is BASF's A10.
[0040] The titanium dioxide used is rutile t...
Embodiment 3
[0049] A primer-free water-based exterior wall paint. Its raw materials are calculated in parts by weight and are composed of the following components: 20 parts of water, 0.1 parts of bactericide, 0.2 parts of cellulose, 0.5 parts of dispersant, 0.15 Parts of wetting agent, 15 parts of antifreeze, 18 parts of film forming aids, 15 parts of titanium dioxide, 7 parts of kaolin, 2 parts of diatomaceous earth, 2 parts of mica powder, 6 parts of heavy calcium, 35 parts of water-based resin emulsion, 0.2 parts of defoamer, 0.3 parts of leveling agent, 0.05 parts of thickener.
[0050] The water-based resin emulsion used in this embodiment is styrene-ethylene copolymer emulsion with a solid content of 54 to 56%, such as Poly 818.
[0051] The wetting agent used is a polyoxyethylene polyoxypropylene block copolymer.
[0052] The dispersant used was Corning's polyacrylic acid ammonium salt dispersant 963.
[0053] The defoamer used is BASF's A10.
[0054] The titanium dioxide used is rutile ti...
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