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Water-based reflective heat insulation coating and preparation method thereof

A reflective heat insulation coating, water-based technology, applied in the field of coatings, can solve the problems of poor reflection and heat insulation performance, and achieve the effect of long-lasting infrared reflection performance, good reflection and heat insulation, and flat coating film

Inactive Publication Date: 2018-05-18
TIANJIN RONGXIN BUILDNG DECORATION PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the technical defects of the prior art, and provides a water-based reflective heat-insulating coating and its preparation method, so as to solve the technical problem of poor reflective heat-insulating performance of the heat-insulating coating of the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A water-based reflective heat-insulating coating, which is composed of the following components by weight: 150 parts of water, 1 part of wetting agent, 3 parts of dispersant, 2 parts of defoaming agent, 1 part of multi-functional auxiliary agent, and 100 parts of heat-insulating powder 130 parts of near-infrared reflective titanium dioxide, 18 parts of film forming agent, 300 parts of reflective heat insulation emulsion, 10 parts of antifreeze, 1 part of leveling agent, 1 part of fungicide, 1 part of anti-mold and anti-algae agent, 1 part of thickener share.

[0024] A method for preparing the above-mentioned water-based reflective heat-insulating coating, comprising the following steps: sequentially adding 100 parts by weight of water, a formula amount of wetting agent and a dispersant, and 1 weight part of a defoamer to a stirring tank. Functional additives, then adjust the stirring speed to 300rpm, add heat insulation powder and near-infrared reflective titanium diox...

Embodiment 2

[0026] A water-based reflective heat-insulating coating, which is composed of the following components by weight: 250 parts of water, 2 parts of wetting agent, 6 parts of dispersant, 3 parts of defoaming agent, 2 parts of multi-functional auxiliary agent, and 200 parts of heat-insulating powder 150 parts of near-infrared reflective titanium dioxide, 20 parts of film forming agent, 400 parts of reflective heat insulation emulsion, 20 parts of antifreeze, 2 parts of leveling agent, 50 parts of covering agent, 2 parts of fungicide, 6 parts of anti-mold and anti-algae agent , 3 parts of thickener.

[0027] A preparation method of the above-mentioned water-based reflective heat-insulating coating, comprising the following steps: sequentially adding 150 parts by weight of water, a formula amount of wetting agent and dispersant, 1.5 parts by weight of a defoamer, and more Functional additives, then adjust the stirring speed to 600rpm, add heat insulation powder and near-infrared refl...

Embodiment 3

[0029] A water-based reflective heat-insulating coating, which is composed of the following components by weight: 200 parts of water, 1.5 parts of wetting agent, 4.5 parts of dispersant, 2.5 parts of defoaming agent, 1.5 parts of multi-functional auxiliary agent, and 150 parts of heat-insulating powder 140 parts of near-infrared reflective titanium dioxide, 19 parts of film-forming agent, 350 parts of reflective heat insulation emulsion, 15 parts of antifreeze, 1.5 parts of leveling agent, 25 parts of covering agent, 1.5 parts of fungicide, 3.5 parts of anti-mold and anti-algae agent , 2 parts of thickener, a certain amount of color paste. The coating has been tested and shown to have a contrast ratio of 0.94, a staining ratio of 12, a reflectivity of 0.86 and a hemispherical emissivity of 0.88.

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PUM

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Abstract

The invention provides a water-based reflective heat insulation coating and a preparation method thereof. According to the technical scheme, the components and the proportioning relation of the components are newly designed on the basis of the reflective heat insulation principle, and the coating is endowed with good reflective heat insulation performance. Specifically, a reflective heat insulation emulsion is adopted, and the emulsion has high water resistance and weather resistance, low heat conduction coefficient and self-cleaning capacity and can reflect most of visible light and infraredrays. Meanwhile, a specially designed functional material is used for performing near infrared reflection on titanium dioxide, so that the coating can be prepared in various colors. Besides, a productwith excellent near infrared scattering performance can be prepared in the range of L value being 20-80. The coating can be used as infrared reflection function base paint or colored paint, and a heat reflective heat insulation coating can be obtained after common color paste or color master batch is added. Besides, the production process is simple, and the coating has good weather resistance, lasting infrared reflection performance and good storage stability.

Description

technical field [0001] The invention relates to the technical field of coatings, and further relates to the improvement and preparation of functional coatings, in particular to a water-based reflective heat-insulating coating and a preparation method thereof. Background technique [0002] Coatings refer to materials that are coated on the surface of objects, can bond with the substrate and form a complete and tough protective film. Since its inception, coatings have been widely used in the field of architectural technology, and their functions can be summarized into three aspects, namely, the protection of buildings, decoration and other specific functions. In the prior art, in order to protect buildings, coatings should be designed according to the use environment, building type, and substrate characteristics. For example, in order to improve the fire performance of wooden buildings, the relevant coatings should have certain flame retardant properties. [0003] Studies hav...

Claims

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Application Information

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IPC IPC(8): C09D5/33C09D7/61
CPCC08K2003/2241C09D5/004
Inventor 杨秋良李全成
Owner TIANJIN RONGXIN BUILDNG DECORATION PAINT