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Water-based transparent heat-insulating coating for energy-saving doors and windows and preparation method thereof

A technology of heat-insulating coatings and water-based base materials, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of single functional particles, toxicity to the human body, and high preparation costs, so as to facilitate large-scale production and enhance heat preservation Thermal insulation performance, effect of reducing production cost

Active Publication Date: 2015-09-16
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a water-based transparent heat-insulating coating for energy-saving doors and windows and its preparation method. Defects such as narrow band and toxicity to human body

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1, a kind of preparation method of the water-based transparent heat-insulating paint that is used for energy-saving doors and windows, carries out following steps successively:

[0035] 1. Ingredients:

[0036] 60 grams of water-based acrylic resin emulsion (solid content is 48%) as water-based base emulsion, 20 grams of water-based nano heat-insulating slurry, 0.5 grams of tributyl phosphate as defoamer, hydroxyethyl cellulose as thickener 2 grams of prime (HEC), 0.5 gram of dodecyl alcohol ester as film-forming aid, 0.5 gram of polypropylene oxide as leveling agent, are settled to 100 grams with deionized water.

[0037] The preparation method of water-based nano thermal insulation slurry is as follows:

[0038] ①. In a beaker, add 2 grams of FTO and 8 grams of AZO nanopowder, 90 grams of deionized water, and stir magnetically for 10 minutes; prepare a suspension of functional particles with a solid content of 10%;

[0039] ②. Add 0.5 g of vinyltriethoxys...

Embodiment 2

[0044] Embodiment 2, a kind of preparation method of the water-based transparent heat-insulating paint that is used for energy-saving doors and windows, carries out following steps successively:

[0045] 1. Ingredients:

[0046] 60 grams of water-based polyurethane resin emulsion (solid content is 50%) as water-based base emulsion, 30 grams of water-based nano heat-insulating slurry, 0.5 gram of tributyl phosphate as defoamer, hydroxyethyl fiber as thickener 2 grams of prime (HEC), 0.5 gram of dodecyl alcohol ester as film-forming aid, 0.5 gram of polypropylene oxide as leveling agent, are settled to 100 grams with deionized water.

[0047] The preparation method of the above-mentioned water-based nano heat-insulating slurry is:

[0048] With embodiment 1.

[0049] 2. Under magnetic stirring, slowly add the water-based base material emulsion into the water-based nano heat-insulation slurry (completely add in about two minutes); then magnetically stir for 1 hour.

[0050] 3....

Embodiment 3

[0052] Embodiment 3, a kind of preparation method of the water-based transparent heat-insulating paint that is used for energy-saving doors and windows, carries out following steps successively:

[0053] 1. Ingredients:

[0054] 50 grams of water-based polyurethane resin emulsion (solid content is 50%) as water-based base material emulsion, 30 grams of water-based nano heat-insulating slurry, 0.5 grams of tributyl phosphate as defoamer, hydroxyethyl fiber as thickener 2 grams of prime (HEC), 0.5 gram of dodecyl alcohol ester as film-forming aid, 0.5 gram of polypropylene oxide as leveling agent, are settled to 100 grams with deionized water.

[0055] The preparation method of water-based nano thermal insulation slurry is as follows:

[0056] ①. In a beaker, add 3 grams of FTO and 7 grams of AZO nanopowder, 90 grams of deionized water, and stir magnetically for 10 minutes; prepare a functional particle suspension with a solid content of 10%;

[0057] ②. Add 0.5 g of vinyltrie...

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Abstract

The invention discloses a water-based transparent heat-insulating paint used for energy-saving doors and windows. The paint comprises the following components by weight: 50 to 60% of an aqueous base latex, 20 to 30% of aqueous nanometer heat-insulating slurry, 0.5 to 1% of a defoaming agents, 1 to 5% of a thickening agent, 0.5 to 1% of a film forming auxiliary agent and 0.5 to 1% of a leveling agent, with the balance being deionized water, wherein the aqueous base latex is an aqueous acrylic resin emulsion with solid content of 30 to 60 wt% or an aqueous polyurethane resin emulsion with solid content of 30 to 60 wt%, and the aqueous nanometer heat-insulating slurry contains the two functional particles consisting of fluorine-doped tin oxide and aluminum-doped zinc oxide. The invention further discloses a preparation method for the paint. The paint prepared in the invention can be coated on the surface of door and window glass to form a transparent film; and the film can absorb the vast majority of ultraviolet light and obstruct more than 60% of infrared light and has average transmittance of more than 70% in a visible light area.

Description

technical field [0001] The invention relates to a water-based transparent heat-insulating paint for energy-saving doors and windows and a preparation method thereof. The paint is coated on door and window glass to achieve the effect of heat preservation and heat insulation. Background technique [0002] With the rapid development of science and technology and social production, energy and the environment have become two major issues of increasing concern to the whole society. The world's energy demand is increasing by 2% per year, and about 30% of this energy is consumed in buildings. Environmentally friendly building energy-saving materials will become the key to solving building insulation and energy saving. In building energy consumption, building heating and air-conditioning consume a considerable proportion, and the energy lost through doors and windows accounts for about half of the entire building’s heating and air-conditioning energy consumption. At the same time, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D175/04C09D7/12
Inventor 郭兴忠张超杨辉蔡伟炜杨闯
Owner ZHEJIANG UNIV
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