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High-bonding-strength mildew-proof heat-insulation and -preservation coating and preparation method thereof

A thermal insulation and high bonding technology, which is applied in antifouling/underwater coatings, coatings, paints containing biocide, etc., can solve the problems that affect the wide application in the construction industry and reduce the bonding strength of thermal insulation coatings, etc., and achieve hand feeling Good, improve construction performance, reduce heat conduction effect

Inactive Publication Date: 2020-08-18
SKSHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Airgel is often added to coatings in order to increase thermal insulation effects and reduce production costs in the market, but the addition of airgel often reduces the bonding strength of thermal insulation coatings, thus affecting its wide application in the construction industry

Method used

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  • High-bonding-strength mildew-proof heat-insulation and -preservation coating and preparation method thereof
  • High-bonding-strength mildew-proof heat-insulation and -preservation coating and preparation method thereof
  • High-bonding-strength mildew-proof heat-insulation and -preservation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A preparation method for a high bond strength mildew-resistant heat-insulating coating, which comprises the following steps in sequence:

[0027] (1) Add 20 parts of water into the dispersion tank, then add 0.7 parts of dispersant, 0.05 parts of wetting agent, 0.3 parts of defoamer, 0.5 parts of hydroxyethyl cellulose, and 0.5 parts of thixotropic After the thickener and 0.05 parts of multifunctional additives, stir for 2 minutes;

[0028] (2) Then increase the rotating speed to 850r / min, after 22 parts of 500 mesh heavy calcium and 9 parts of airgel in sequence, increase the rotating speed again to 1800r / min and disperse for 16min, then check whether the fineness is ≤60μm, if the fineness is ≤ 60 μm, then proceed to step (3);

[0029] (3) Reduce the rotational speed to 1000r / min, add 10 parts of styrene-acrylic and 6 parts of elastic emulsion, 0.6 parts of film-forming aids, 0.7 parts of antifreeze, 0.3 parts of defoamers, 0.3 parts of anti-corrosion and anti-mold age...

Embodiment 2

[0031] A preparation method for a high bond strength mildew-resistant heat-insulating coating, which comprises the following steps in sequence:

[0032] (1) Add 22 parts of water into the dispersion tank, then add 0.8 parts of dispersant, 0.06 parts of wetting agent, 0.4 parts of defoamer, 0.5 parts of hydroxyethyl cellulose, and 0.5 parts of thixotropic After the thickener and 0.06 parts of multifunctional additives, stir for 3 minutes;

[0033] (2) Then increase the speed to 900r / min, after 23 parts of 500 mesh heavy calcium and 10 parts of airgel in sequence, increase the speed again to 1900r / min and disperse for 18min, then check whether the fineness is ≤60μm, if the fineness is ≤ 60 μm, then proceed to step (3);

[0034] (3) Reduce the rotational speed to 1100r / min, add 9 parts of styrene-acrylic and 8 parts of elastic emulsion, 0.6 parts of film-forming aids, 0.7 parts of antifreeze, 0.3 parts of defoamers, 0.4 parts of anti-corrosion and anti-mold agents and 23.68 part...

Embodiment 3

[0036] A preparation method for a high bond strength mildew-resistant heat-insulating coating, which comprises the following steps in sequence:

[0037] (1) Add 22 parts of water into the dispersion tank, then add 0.8 parts of dispersant, 0.07 parts of wetting agent, 0.5 parts of defoamer, 0.5 parts of hydroxyethyl cellulose, and 0.5 parts of thixotropic After the thickener and 0.07 parts of multifunctional additives, stir for 3 minutes;

[0038] (2) Then increase the speed to 950r / min, after 22 parts of 500 mesh heavy calcium and 11 parts of airgel in sequence, increase the speed again to 1900r / min and disperse for 18min, then check whether the fineness is ≤60μm, if the fineness is ≤ 60 μm, then proceed to step (3);

[0039] (3) Reduce the speed to 1100r / min, add 10 parts of styrene-acrylic and 7 parts of elastic emulsion, 0.7 parts of film-forming aid, 0.8 parts of antifreeze, 0.3 parts of defoamer, 0.4 parts of anti-corrosion and anti-mold agent and 23.36 parts After wate...

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Abstract

The invention relates to a high-bonding-strength mildew-proof heat-insulation and -preservation coating which is prepared from the following components in parts by weight: 40-50 parts of water, 0.5-0.6 parts of hydroxyethyl cellulose, 0.5-0.6 parts of an inorganic thixotropic thickening agent, 0.05-0.1 parts of an aqueous multifunctional auxiliary agent, 0.7-0.8 parts of a dispersing agent, 0.05-0.1 part of a wetting agent, 20-25 parts of 500 to 800-mesh coarse whiting, 8-12 parts of aerogel, 16-20 parts of an emulsion, 0.8-1.2 parts of an antifreeze agent, 0.6-0.7 part of a coalescing agent,0.5-0.8 part of a defoaming agent and 0.2-0.5 part of an anti-corrosion and anti-mildew agent. The coating disclosed by the invention not only has a heat insulation effect of a superior product, but also has a heat conductivity coefficient of less than 0.08 W / (m.K) and has the advantages of high bonding strength, high-efficiency mildew prevention and bacteria prevention effects; the paint film hasexcellent performance and good hand feeling; not only are heat conduction and heat radiation blocked and heat conduction reduced, but also the construction performance of the coating is improved.

Description

technical field [0001] The invention relates to the field of functional coatings, in particular to an anti-mildew and heat-insulating coating with high bonding strength and a preparation method thereof. Background technique [0002] my country's energy resources are seriously in short supply, and it is imminent to save energy and reduce consumption through science and technology. Building energy saving is an important aspect of scientific and technological energy saving. At present, external insulation structures are generally adopted in the market for building energy conservation. The building insulation materials used include rock wool, glass wool, polystyrene plastics, polyurethane foam plastics, and polyethylene plastics to reduce the heat transfer coefficient of external walls. The use of the above materials in building exterior walls has disadvantages such as the internal structure collapses when exposed to water, resulting in a sharp drop in thermal insulation effect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D201/00C09D5/14C09D7/61
CPCC08K2003/265C08L2205/035C09D5/14C09D125/14C09D201/00C09D7/61C09D7/70C08L101/12C08L1/284C08K3/26C08K7/22C08K5/46C08K3/34C08K13/04C08L25/14C08K7/26
Inventor 张凯林朋郭全坚
Owner SKSHU PAINT
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