Waterborne damping coating with microscopic constrained damping structure and preparation method thereof
A technology of constrained damping and damping coatings, which is applied in the direction of anti-corrosion coatings, fire-proof coatings, polyurea/polyurethane coatings, etc., can solve difficult problems such as the damping performance of water-based damping coatings, achieve good flame retardancy, excellent damping performance, and improve mutual The effect of action
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Embodiment 1
[0026] A water-based damping coating with a microscopic constrained damping structure in this embodiment, its main components are proportioned according to the following weight ratios: 20 parts of pure acrylic emulsion, 10 parts of silicon acrylic emulsion; 15 parts of 40-mesh mica powder; 3000-mesh hollow glass 10 parts of microbeads, 15 parts of 325 mesh aluminum hydroxide; 5 parts of flame retardant; 10 parts of antifreeze; 0.5 parts of substrate wetting agent; 1.0 parts of wetting and dispersing agent; ; 1.0 parts of coupling agent; 0.5 parts of anti-corrosion and anti-mold agent; 5 parts of film-forming aid; 0.5 parts of thickener, 5.0 parts of water.
[0027] A method for preparing a water-based damping coating with a microscopically constrained damping structure of the present embodiment may further comprise the steps:
[0028] (1) Preparation of aqueous mixed solution:
[0029] At room temperature, mix pure acrylic emulsion, silicone acrylic emulsion, 2.5 parts of wat...
Embodiment 2
[0037] A water-based damping paint with a microscopically constrained damping structure in this embodiment, its main components are proportioned according to the following weight ratios: 15 parts of vinegar-acrylic emulsion, 15 parts of styrene-acrylic emulsion, 30 parts of polyurethane emulsion; 10 parts of 40-mesh mica powder , 15 parts of 325-mesh glass flakes; 20 parts of 200-mesh heavy calcium, 5 parts of 800-mesh wollastonite powder, 10 parts of 325-mesh talcum powder, 5 parts of 3000-mesh precipitated barium sulfate; 10 parts of flame retardant; 10 parts of antifreeze; 0.9 parts of material wetting agent; 2.0 parts of wetting and dispersing agent; 1.0 parts of defoamer; 1.5 parts of alignment agent; 1.0 parts of coupling agent; parts, 8.0 parts of water.
[0038] A method for preparing a water-based damping coating with a microscopically constrained damping structure of the present embodiment may further comprise the steps:
[0039] (1) Preparation of aqueous mixed sol...
Embodiment 3
[0047] A water-based damping coating with a microscopic constrained damping structure in this embodiment, its main components are proportioned according to the following weight ratios: 30 parts of epoxy-modified acrylic emulsion, 10 parts of tertiary vinegar emulsion; 5 parts of 120-mesh mica powder, 180 parts 15 parts of mica iron oxide; 20 parts of 325 mesh magnesium hydroxide, 5 parts of 1250 mesh talcum powder, 5 parts of lithopone; 10 parts of halogen-free environmental protection flame retardant; 10 parts of antifreeze; 0.5 parts of material wetting agent; 1.0 parts of defoaming agent; 2.0 parts of alignment agent; 1.0 parts of coupling agent;
[0048] A method for preparing a water-based damping coating with a microscopically constrained damping structure of the present embodiment may further comprise the steps:
[0049] (1) Preparation of aqueous mixed solution:
[0050] At room temperature, mix epoxy-modified acrylic emulsion, tertiary vinegar emulsion, 5 parts of wa...
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Abstract
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