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Compound type heat insulation architectural coating and production method thereof

A technology for architectural coatings and production methods, which is applied in coatings, microcapsule preparations, microsphere preparations, etc., can solve the problems of low cost performance, large amount of spraying, and high price, and achieve simple process, low cost, and low consumption. Effect

Inactive Publication Date: 2011-11-02
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

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1 Preparation of Granular Microcapsule Thermal Insulation Particles

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

[0027] 2) Dissolution: Dissolve 1.2g sodium alginate in 65°C and 80ml distilled water; take 1.5ml of 36% acetic acid and add 50ml distilled water to dilute, and use it to dissolve 1.2g chitosan at 65°C; take 5.9g yeast extract to dissolve in 40ml of distilled water; take 6.7g of polyvinyl alcohol and dissolve it 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 co...

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 composite thermal insulation building coatings

[0040] By weight, take by weighing 31.8 parts of granular microcapsule thermal insulation particles, 42.0 parts of self-made thermal insulation imitation porcelain emulsion, 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 six Sodium metaphosphate is dissolved in 2 times of hot water, lithopone, talcum powder, and light calcium carbonate are stirred in 0.5 times of water and then added to the sodium hexametaphosphate solution, and then the heat preservation melamine emulsion and Granular microcapsule insulation particles, just stir for 20 minutes.

[0041] The composite thermal insulation paint prepared by the above method has a concave-convex three-dimensional effect and a sound-absorbing effect after spraying, and has the function of waterproof and thermal insulation at the same time. When the propo...

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PUM

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Abstract

A compound type heat insulation architectural coating and a production method thereof. Self made granular microcapsule insulation particles and porcelain-like insulation emulsion are used as basic materials for the preparation of the coating, and other accessories can also be added to prepare the coating. According to the invention, gas with good heat insulation performance is enwrapped to form empty capsules so as to reduce the heat conductivity coefficient of the coating, thereby achieving the purpose of heat insulation, and therefore the coating has an excellent effect in heat insulation and is favorable for energy saving and consumption reduction; the porcelain-like insulation emulsion and the granular microcapsule insulation particles are mixed and sprayed on the surface of an objectto form a coating, and the coating shows a uniformly convex and stereo structure after dried because the gravity of the emulsion is different from that of the particles, thereby achieving a strong feeling of texture and a wild decorative effect as well as a noise cancelling effect. The compound type heat insulation architectural coating provided in the invention has a simple production process, is convenient for storing, transporting and construction, and is cheap.

Description

technical field [0001] The invention relates to a coating and a production method thereof, in particular to a composite thermal insulation architectural 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. In the industry, there are few multifunctional composite thermal insulation architectural coatings with thermal insulation and noise reduction functions, good decoration, convenient storage, transportation and construction, and the development of such coatings meets the needs of the market. Contents of the invention [0003] The purpose of the present invention is to solve the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/30C09D7/12C08G12/38B01J13/14
Inventor 万义玲宋文东孙美红
Owner GUANGDONG OCEAN UNIVERSITY
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