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Heat-insulation porcelain-imitating coating and production method thereof

A technology of imitation porcelain coating and production method, applied in the direction of coating, etc., can solve the problems of low cost performance, large amount of spraying, single function, etc., and achieve the effect of simple process, low cost and large specific surface area

Inactive Publication Date: 2011-11-16
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the thermal insulation coatings for construction and decoration at home and abroad use thermal insulation materials for thermal insulation, or encapsulate phase change materials to store heat and thermal insulation. Such materials have a solid structure, high density, and a large amount of spraying per unit area. Expensive, single-function, not cost-effective
At present, there are no coatings in the industry that have the functions of heat preservation and waterproof, and present the decorative effects of imitation porcelain and sand walls. The development of such coatings meets the needs of the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 Preparation of powdery microcapsule insulation particles

[0026] 1) Emulsification: Dissolve 0.314g Spanner in 40ml distilled water at 65°C.

[0027] 2) Dissolution: Dissolve 1.2g of sodium alginate in 80ml distilled water at 65°C; dilute 1.5ml of acetic acid with 50ml of distilled water and dissolve 1.2g of chitosan at 65°C; dissolve 5.9g of yeast extract in 40ml of distilled water; Dissolve 6.7g of polyvinyl alcohol in 1000ml of distilled water at 95°C.

[0028] 3) Pretreatment: Boil the aqueous solution of yeast extract to ensure the inactivation of yeast cells, add activated carbon that has been dried, dried and cooled into the yeast extract solution, shake it and let it stand overnight, then pass it through 100 mesh Standard sieve to remove activated carbon and some impurities mixed in the solution.

[0029] 4) Mixing and reaction: heat the emulsified Spanner solution to a constant temperature of 55°C, and continuously feed air or carbon dioxide int...

Embodiment 2

[0033] The preparation of embodiment 2 insulation imitation porcelain emulsion

[0034] 1) Prepolymer: Take 30g of melamine, 90ml (36%) formaldehyde, 9g of urea and 20ml of water, adjust the pH to 6.7, slowly raise the temperature to 65°C until the solution is clear, add 35ml of ethanol and continue to stir for 10 minutes, set aside for later use.

[0035] 2) Dissolution of the emulsifier: Take 1.5g of Span-60 and add it to 45ml of water, slowly raise the temperature to 90°C, and stir until it dissolves.

[0036] 3) Foam formation through sharp holes: Take the above emulsifier solution and heat it to 55-65°C, use a sharp hole with a pore size of 10 microns, and continuously pass in a gas with good thermal insulation performance (such as air or carbon dioxide) under a pressure of 3000-3200 Pa. 45 minutes or more.

[0037] 4) Polycondensation into capsules: under stirring at 60°C, add 50ml of prepolymer to the above solution and react for 30 minutes, then add 50ml of prepolymer...

Embodiment 3

[0039] The production method of embodiment 3 thermal insulation imitation porcelain paint

[0040] In parts by weight, weigh 27.2 parts of powdery microcapsule thermal insulation particles and 72.8 parts of self-made thermal insulation imitation porcelain emulsion, add powdery microcapsule thermal insulation particles to thermal insulation imitation porcelain emulsion, and stir for 20 minutes.

[0041] If you want to add other auxiliary materials, the method is as follows: by weight, take 3.8 parts of lithopone, 3.8 parts of talcum powder, 1.7 parts of light calcium carbonate, 2.5 parts of sodium hexametaphosphate, and dissolve sodium hexametaphosphate in 2 times the hot water In water, stir well lithopone, talcum powder and light calcium carbonate in 0.5 times water, then add to sodium hexametaphosphate solution, stir well, then add the above-mentioned amount of thermal insulation imitation porcelain emulsion and powdery microcapsule thermal insulation particles , and stir fo...

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PUM

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Abstract

The invention relates to a heat-insulation porcelain-imitating coating and a production method thereof. The heat-insulation porcelain-imitating coating is prepared from self-prepared powdery microencapsulated heat-insulation particles and heat-insulation porcelain-imitating emulsion as the base materials, and other optional accessories. The heat-insulation purpose is realized by a principle that gases with good heat-insulation property are wrapped to form an empty capsule so as to reduce the thermal conductivity of materials and insulate heat, and the coating has a good heat-insulation effectand favors energy conservation and consumption reduction. The mixed powdery microencapsulated heat-insulation particles and heat-insulation porcelain-imitating emulsion are uniform and dense after being mixed, then are uniformly coated on the surface of an object and dried to form the coating with porcelain-imitating performance and sand-wall-like decorative effects, and the obtained coating product has multiple functions and decorative effects.

Description

technical field [0001] The invention relates to a coating and a production method thereof, in particular to a thermal insulation imitation porcelain coating and a production method thereof. Background technique [0002] At present, most of the thermal insulation coatings for construction and decoration at home and abroad use thermal insulation materials for thermal insulation, or encapsulate phase change materials to store heat and thermal insulation. Such materials have a solid structure, high density, and a large amount of spraying per unit area. Expensive, single-function, not cost-effective. At present, there are no coatings in the industry that have the functions of heat preservation and waterproofing, and that exhibit imitation porcelain and sand wall-like decorative effects. The development of such coatings meets the needs of the market. Contents of the invention [0003] The object of the present invention is to solve the deficiencies in the prior art, and provide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/00C09D7/12C09D161/30
Inventor 万义玲孙美红钟荻芳黄淑敏徐悦民
Owner GUANGDONG OCEAN UNIVERSITY
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