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A kind of energy storage multifunctional coating and preparation method thereof

A multi-functional, coating technology, applied in the field of coatings, can solve the problems of poor temperature adjustment and temperature control effect of coatings, high phase change enthalpy of products, high bonding strength, etc. The effect of stabilizing performance

Active Publication Date: 2019-04-19
炫杰复合材料(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The energy storage multifunctional coating of the present invention is stable, does not crack or fall off after long-term exposure to the air, has high bonding strength, and the product has a high phase change enthalpy after the coating is formed into a film, which solves the problem of temperature regulation and temperature control of the coating in the prior art The problem of poor performance

Method used

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  • A kind of energy storage multifunctional coating and preparation method thereof
  • A kind of energy storage multifunctional coating and preparation method thereof
  • A kind of energy storage multifunctional coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The raw material formula is shown in the following table:

[0027] serial number

material name

parts by weight

1

polymer emulsion

15

2

Phase Change Microcapsule Suspension

75

3

Silica Airgel

1

4

polyvinyl alcohol

6

5

Alcohol organic solvent

2

6

Modified sodium disilicate

0.1

7

Wetting and dispersing agent

0.1

8

Defoamer

0.3

9

water

10

[0028] The phase-change microcapsule suspension is prepared by the following preparation method: (1) mixing styrene-maleic anhydride random copolymer, sodium hydroxide and water, heating and stirring to dissolve, adjusting the pH value of the solution to 5 with citric acid, Then mix with paraffin, shear and emulsify to obtain paraffin wax emulsion; (2) mix melamine, formaldehyde aqueous solution and water, adjust the pH value to 9 with triethanolamine, heat up, and then add carboxymethyl cellulose to r...

Embodiment 2

[0036] The raw material formula is shown in the following table:

[0037] serial number

material name

parts by weight

1

polymer emulsion

17

2

Phase Change Microcapsule Suspension

90

3

Silica Airgel

2

4

polyvinyl alcohol

8

5

Alcohol organic solvent

3

6

Modified sodium disilicate

0.2

7

Wetting and dispersing agent

0.2

8

Defoamer

0.4

9

water

8

[0038] The phase-change microcapsule suspension is prepared by the following preparation method: (1) mixing styrene-maleic anhydride random copolymer, sodium hydroxide and water, heating and stirring to dissolve, adjusting the pH value of the solution to 6 with citric acid, Then mix with paraffin, shear and emulsify to obtain paraffin wax emulsion; (2) mix melamine, formaldehyde aqueous solution and water, adjust the pH value to 10 with triethanolamine, heat up, and then add carboxymethyl cellulose to r...

Embodiment 3

[0045] The raw material formula is shown in the following table:

[0046] serial number

material name

parts by weight

1

polymer emulsion

20

2

Phase Change Microcapsule Suspension

85

3

Silica Airgel

2

4

polyvinyl alcohol

7

5

Alcohol organic solvent

5

6

Modified sodium disilicate

0.1

7

Wetting and dispersing agent

0.3

8

Defoamer

0.3

9

water

6

[0047] The phase-change microcapsule suspension is prepared by the following preparation method: (1) mixing styrene-maleic anhydride random copolymer, sodium hydroxide and water, heating and stirring to dissolve, adjusting the pH value of the solution to 5 with citric acid, Then mix with paraffin, shear and emulsify to obtain paraffin wax emulsion; (2) mix melamine, formaldehyde aqueous solution and water, adjust the pH value to 9 with triethanolamine, heat up, and then add carboxymethyl cellulose to re...

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Abstract

The invention discloses an energy-storing and multi-functional coating and a preparation method thereof. The energy-storing and multi-functional coating is prepared from raw materials in parts by weight as follows: 15-20 parts of a polymer emulsion, 60-90 parts of a nano-composite phase-change microcapsule suspension blended and modified with graphene oxide and nano-zinc oxide, 1-3 parts of silicon dioxide aerogel, 5-8 parts of polyvinyl alcohol, 1-5 parts of an alcoholic organic solvent, 0.1-0.2 parts of modified sodium disilicate, 0.1-0.3 parts of a wetting dispersant, 0.3-0.4 parts of an antifoaming agent and 5-10 parts of water. The coating layer of the energy-storing and multi-functional coating is stable, is prevented from cracking and peeling after long-term exposure in air and has high bonding strength, enthalpy of phase change of a product after film formation of the coating is higher, and the problem of poor temperature adjustment and control effect of the coating in the prior art is solved.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an energy storage multifunctional coating and a preparation method thereof. Background technique [0002] The earth's energy is depleting day by day, and the global energy crisis is intensifying day by day, so it is particularly important to save energy and use energy effectively. At present, my country's building energy consumption accounts for about 1 / 3 of the total energy consumption of the society, and it shows a trend of increasing year by year. Therefore, it is imperative to develop and apply new energy-saving building materials that can reduce building energy consumption and ensure indoor comfort. [0003] Phase change material (PCM) is a thermally functional material that can absorb or release latent heat. Unlike thermal insulation wall materials, the application of phase change materials in buildings is not limited to thermal insulation. Phase change materials can produce sever...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D161/32C09D125/08C09D191/06C09D7/61C09D7/62C08G12/44C09K5/06
CPCC08G12/44C08K2003/2296C08K2201/011C08L2205/035C09D5/18C09D125/08C09D161/32C09D191/06C09K5/063C08L25/08C08L91/06C08L29/04C08L33/00C08L31/04C08K13/06C08K9/02C08K9/00C08K7/00C08K3/22C08K7/26C08K3/34C08L61/32
Inventor 张杰李齐侠顾广新
Owner 炫杰复合材料(上海)有限公司
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