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Water-based high-build heat-insulating coating and its preparation process

A heat-insulating coating, water-based technology, applied in the direction of fire-resistant coatings, coatings, etc., can solve the problems of loose coating structure, coating peeling, coating surface roughness, etc., achieve good flame retardant effect, adjust fluidity, improve The effect of the attachment effect

Active Publication Date: 2021-07-06
星空男孩(杭州)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, only after the expanded microsphere is heated, its shell softens, thereby producing plasticity, and then the low boiling point core material in the microsphere is heated to generate pressure, which causes the expansion of the microsphere shell
If the existing technology is used to smear the wall, the coating will remain in its original state without heating. Once heated, the expansion of the expansion microspheres in the coating will cause the structure of the coating to become loose, and cause the coating to become loose. The surface of the layer is not smooth and it is easy to cause the coating to fall off

Method used

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  • Water-based high-build heat-insulating coating and its preparation process
  • Water-based high-build heat-insulating coating and its preparation process
  • Water-based high-build heat-insulating coating and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Example 1: Water-based thick paste heat insulating coating, the included components and their respective quality as shown in Table 1, and obtained by preparing as follows:

[0063] Step 1, dispersing agent, C12, 13 half-stranded fatty alcohol polyoxyethylene (9) ether, antifoaming agent, synthetic resin emulsion, hydroxyethylcellulose, solvent-free nonionic polyurethane flow modifier, Ion water is mixed, and the first mixture is obtained;

[0064] The aluminum silicate ceramic fiber, nano-insulating powder, closed hole pearlite, diatomaceous earth, and bentonite are sufficiently mixed to obtain a second mixture;

[0065] Step 2, the first mixture obtained in step one is sufficiently mixed with the second mixture to obtain a third mixture;

[0066] Step three, the fungicide, the silicone modulator is thoroughly mixed with the third mixture obtained in step II, aqueous thick paste heat insulating coating.

[0067] Table 1 The components included in Examples 1-5 and their corr...

Embodiment 2-6

[0071] Example 2-6: Water-based thick paste heat insulating coating, the difference from Example 1 is that the included components and their respective quality are shown in Table 1.

Embodiment 7

[0072] Example 7: Water-based thick paste heat insulating coating, the difference from Example 1 is that the thermal conductivity of nano-insulating powder is 0.0745 W / mK.

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Abstract

The invention discloses a water-based thick paste heat-insulating coating and a preparation process thereof. The coating is composed of the following components in parts by weight: 20-25 parts of deionized water; 1-2 parts of dispersant; 0.15-0.3 parts of C12,13 semi-branched fatty alcohol polyoxyethylene (9) ether; defoamer 0.9-1.6 parts; 25-40 parts of synthetic resin emulsion; 8-15 parts of hydroxyethyl cellulose; 0.95-1.35 parts of solvent-free non-ionic polyurethane rheology modifier; 4-6.5 parts of aluminum silicate ceramic fiber; 3.5-19 parts of thermal insulation powder; 8-13 parts of closed-cell perlite; 1-13 parts of diatomaceous earth; 0.9-1.2 parts of bentonite; 0.15-0.25 parts of fungicide; 0.1-0.25 parts of silicone regulator. The paint in the invention has the advantages of low thermal conductivity, good heat insulation effect and good adhesion effect. The preparation process in the present invention is simple to operate and has the advantages of better uniform dispersion effect.

Description

Technical field [0001] The present invention relates to the field of exterior wall coating, and more particularly, it involves an aqueous thick paste type heat insulating coating and a preparation process thereof. Background technique [0002] Building insulation materials in the construction insulation materials are increasingly favored by people due to the advantages of economic, convenient use and heat insulation effect, and develop prospects. Therefore, it is greatly practical to develop heat-insulating insulation coatings, especially related to human life. [0003] According to the heat insulation mechanism and insulation of the building insulation coating, the current insulation coating can be divided into three categories: barrier heat insulating coatings, reflective insulation coatings and radiant insulation coatings. Since the effect of insulation is directly related to the thermal conductivity, the lower the heat conductivity of the coating, the coating is better, the h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D101/28C09D5/18C09D7/61C09D7/65
Inventor 许可
Owner 星空男孩(杭州)科技有限公司