Thin coating type thermal insulation coating and preparation method thereof

A technology of thermal insulation coating and thin coating, applied in the field of coatings, can solve the problems of poor wetting ability between hollow glass microspheres and water, poor adhesion of the base layer, difficulty in dispersion, etc., to reduce VOC indicators, good heat insulation effect, base material The effect of using less

Inactive Publication Date: 2018-07-17
SHANXI HAINUO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this thermal insulation coating, the hollow glass microspheres have poor wettability with water, not only difficult to disperse in th

Method used

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  • Thin coating type thermal insulation coating and preparation method thereof

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Embodiment 1

[0021] A thin coating type thermal insulation coating, comprising the following components in weight percentage: 25% of hollow glass microsphere powder, 4% of nanoscale whisker powder, 10% of polyacrylic resin emulsion glue, ethylene glycol monobutyl ether film-forming aid 2%, acrylate thickener 2%, sigma-A8311 defoamer 4%, acrylate carboxylate dispersant 2%, natural pigment 3%, rutile titanium dioxide 10%, and the balance is deionized water; , the hollow glass microsphere powder includes three specifications of hollow glass microsphere powder produced by Shanxi Hainuo Technology Co., Ltd.:

[0022] HN20, HN40 and HN60, the weight percentages of the three hollow glass microsphere powders are: HN2030%, HN4040% and HN6030%; the nanoscale whisker powder is selected from DK-Si- 001 (main component is Si, purity 99.9%, spherical shape, average particle size 35nm).

[0023] The preparation method of the above-mentioned thin-coated thermal insulation coating is: adding hollow glass ...

Embodiment 2

[0025] A thin coating type thermal insulation coating, comprising the following components by weight percentage: 30% of hollow glass microsphere powder, 2% of nanoscale whisker powder, 20% of polyacrylic resin emulsion glue, ethylene glycol monobutyl ether film-forming aid 1%, acrylate thickener 4%, sigma-A8311 defoamer 2%, acrylate carboxylate dispersant 4%, natural pigment 1%, rutile titanium dioxide 15%, and the balance is deionized water; , the hollow glass microsphere powder is a functional hollow glass microsphere powder, produced by Jinan Great New Material Co., Ltd., the model is ND1.93; the nanoscale whisker powder is selected from Beijing Deke Daojin Technology Co., Ltd. The produced DK-Si-001 (main component is Si, purity 99.9%, spherical shape, average particle size 35nm).

[0026] The preparation method of the above-mentioned thin-coated thermal insulation coating is: adding hollow glass microsphere powder, nano-scale whisker powder, polyacrylic resin emulsion glu...

Embodiment 3

[0028] A thin coating type thermal insulation coating, comprising the following components in weight percentage: 25% of hollow glass microsphere powder, 3% of nanoscale whisker powder, 15% of polyacrylic resin emulsion glue, ethylene glycol monobutyl ether film-forming aid 1.5%, 3% acrylate thickener, 3% sigma-A8311 defoamer, 3% acrylate carboxylate dispersant, 3% natural pigment, 13% rutile titanium dioxide, and the balance is deionized water; , the hollow glass microsphere powder is a functional hollow glass microsphere powder, produced by Jinan Great New Material Co., Ltd., the model is ND 1.93; the nanoscale whisker powder is produced by Beijing Deke Daojin Technology Co., Ltd. DK-Si-001 (main component is Si, purity 99.9%, spherical shape, average particle size 35nm).

[0029] The preparation method of the above-mentioned thin-coated thermal insulation coating is: adding hollow glass microsphere powder, nano-scale whisker powder, polyacrylic resin emulsion glue, ethylene ...

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Abstract

The invention provides a thin coating type thermal insulation coating and preparation method thereof, wherein the thin coating type thermal insulation coating is prepared from, by weight, 25%-30% of hollow glass bead powder, 2%-4% of nanoscale crystal whisker powder, 10%-20% of polyacrylic acid resin emulsion adhesive, 1%-2% of ethylene glycol monobutyl ether coalescing agent, 2%-4% of acrylic ester thickening agent, 2%-4% of sigma-A8311 defoaming agent, 2%-4% of acrylic ester carboxylate dispersing agent, 1%-3% of natural pigment, 10%-15% of rutile titanium dioxide, and the balance deionizedwater. After the thermal insulation coating is coated, a uniform, compact and wearable thin film with a thickness of two millimeters can be formed, the drying time needed by the thin film is short, the defects of crack, internal gaps and the like can not appear after the solidification of the thin film, the thin film has strong washability and changeable temperature endurance, the cracking elongation is large, the defects are overcome that the segregation of existing thermal insulation coating easily appears, after coating, the thin film can not be firmly stuck to a base layer, and the durability is poor.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a thin coating thermal insulation coating and a preparation method thereof. Background technique [0002] Traditional thermal insulation coatings mostly use pulp fiber, perlite, calcium silicate powder, expanded polystyrene, and expanded polyurethane as the main insulation materials. These materials have low mechanical strength, resulting in low elongation at break and low The scrubbing property is poor, and the thickness of the coating generally needs to reach 20-50mm to play the role of waterproof and heat preservation. Such a thick coating takes a long time to dry, has poor decorative effects, and has single functions, and is prone to defects such as cracks and internal voids after curing, resulting in poor thermal insulation effect, short effective life, and single function (no waterproof, sound insulation, etc.). The invention patent with application number CN200510120766....

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D5/33C09D7/61C09D7/62C09D7/63
Inventor 申鹏展
Owner SHANXI HAINUO TECH CO LTD
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