Waterborne building heat-insulation environment-friendly coating and preparation method thereof

An environmentally friendly coating, water-based technology, applied in coatings and other directions, can solve the problems of the reflection effect of functional fillers, the complex processing technology of heat-insulating coatings, and the impact on the scope of application of products, so as to avoid the decline of coating performance, overcome the problem of VOC emissions, wide-ranging effects

Inactive Publication Date: 2015-08-12
杨秀莲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But at the same time, most of the architectural reflective and heat-insulating coatings currently on the market use hollow glass microspheres and hollow ceramic microspheres as functional fillers, which have certain problems. First, the cost is high, which directly affects the scope of application of the product. There is a problem of brittleness and brittleness, and it is prone to damage during processing, construction and use, resulting in a linear decline in coating performance; thirdly, due to the shielding effect of other fillers, the reflection effect of functional fillers is affected
Moreover, the processing technology of the above-mentioned thermal insulation coating is relatively complicated, and the equipment investment is relatively large, which affects the industrial application of the thermal insulation coating. Therefore, it is necessary to improve the prior art to overcome the above problems

Method used

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  • Waterborne building heat-insulation environment-friendly coating and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0044] In parts by weight, add 20 parts of hexafluorobutyl methacrylate, 22 parts of methyl methacrylate, and 250 parts of styrene-acrylic emulsion into 200 parts of water, and disperse with a mixer at a speed of 1500 rpm. Add 1 part of organic ammonia antiseptic and fungicide, 1 part of carboxylic acid soap anionic surface wetting agent, 2 parts of organic siloxane defoamer and 2 parts of polyethylene wax in sequence, and continue to disperse for 30 minutes; Add 200 parts of deer marsh soil, 100 parts of fly ash, 150 parts of titanium dioxide, 80 parts of talcum powder, and 50 parts of expanded perlite in the obtained mixed solution, and the control speed is 2000 rpm, and the dispersion time is 40 minutes; Add 30 parts of n-dodecanethiol, 20 parts of ethylene glycol butyl ether, and 1 part of tributyl phosphate in the mixture obtained in the first step, adjust the rotating speed to 1600 rpm, and disperse for 30 minutes; add the obtained mixed solution Grind in a grinder. When...

Embodiment 2

[0047] In parts by weight, add 25 parts of hexafluorobutyl methacrylate, 26 parts of methyl methacrylate, and 270 parts of styrene-acrylic emulsion into 200 parts of water, and disperse with a mixer at a speed of 1700 rpm to keep constant Add 1.5 parts of organic chloride antiseptic and fungicide, 1.5 parts of hydroxysulfate anionic surface wetting agent, 2 parts of polyether defoamer and 2 parts of polyethylene wax in sequence, and continue to disperse for 35 minutes; Add 220 parts of deer marsh soil, 120 parts of fly ash, 170 parts of titanium dioxide, 100 parts of talcum powder, and 55 parts of expanded perlite in the mixed solution, and the control speed is 2200 rpm, and the dispersion time is 50 minutes; Add 35 parts of n-dodecanethiol, 25 parts of ethylene glycol butyl ether, and 1.5 parts of tributyl phosphate successively in the mixture obtained, adjust the rotating speed to be 1700 rpm, and the dispersion time is 35 minutes; the mixed solution obtained is added to Gri...

Embodiment 3

[0050]In parts by weight, add 30 parts of hexafluorobutyl methacrylate, 30 parts of methyl methacrylate, and 280 parts of styrene-acrylic emulsion into 220 parts of water, and disperse with a mixer at a speed of 1800 rpm to keep constant Add 2 parts of organic chloride antiseptic and fungicide, 2 parts of hydroxysulfate anionic surface wetting agent, 4 parts of polyether defoamer and 4 parts of polyethylene wax in sequence, and continue to disperse for 40 minutes; Add 240 parts of deer marsh soil, 160 parts of fly ash, 180 parts of titanium dioxide, 120 parts of talcum powder, and 60 parts of expanded perlite in the mixed solution in turn. The control speed is 2400 rpm, and the dispersion time is 60 minutes; In the obtained mixture, add 40 parts of n-dodecanethiol, 30 parts of ethylene glycol butyl ether, and 2 parts of tributyl phosphate successively, adjust the rotating speed to be 1800 rpm, and the dispersion time is 40 minutes; the mixed solution obtained is added to Grind...

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Abstract

Waterborne building heat-insulation environment-friendly coating comprises, by weight, 20-30 parts of hexafluorobutyl methacrylate, 20-30 parts of methyl methacrylate, 250-280 parts of styrene-acrylic emulsion, 180-200 parts of water, 3-6 parts of defoamer, 1-2 parts of mildew preventive, 3-6 parts of dispersant, 1-2 parts of wetting agent, 200-400 parts of Luzhao soil, 100-160 parts of coal ash, 150-180 parts of titanium dioxide, 80-120 parts of talcum powder, 50-60 parts of expanded perlite, 30-40 parts of N-dodecanethiol, 20-30 parts of butyl cellosolve, 20-30 parts of thickener, 6-8 parts of flatting agent, 6-10 parts of water repellent agent and 1-2 parts of tributyl phosphate. The waterborne building heat-insulation environment-friendly coating is low in VOC (volatile organic compound) emission, simple in production and construction process, environment friendly and excellent in performance. Meanwhile, functional filler with specific components replace commonly used glass beads, and the waterborne building heat-insulation environment-friendly coating is stable in performance and has wide application in building coating in the industrial and decoration fields.

Description

technical field [0001] The invention relates to an environment-friendly coating, in particular to a water-based heat-insulating environment-friendly coating for buildings. Background technique [0002] Coatings can protect, decorate, mark and other purposes on the surface of materials in industry, and are generally composed of film-forming substances, fillers (pigments and fillers), solvents, and additives. According to the performance, there are anti-corrosion paint, insulating paint, heat-insulating paint, conductive paint, heat-resistant paint, etc. Among them, thermal insulation coating is an important branch. With my country's policy guidance on building heat insulation and energy saving industry, and the implementation of the widely mentioned "green building" concept, effective heat insulation and environmental protection are being advocated, especially in the southern region, where the daily sunlight time is relatively short. Long, it has a great impact on the items ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/12
Inventor 杨秀莲
Owner 杨秀莲
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