Colored solar heat reflective cooling coating and preparation method thereof

A solar heat and color technology, applied in the direction of reflection/signal paint, coating, etc., can solve the problems of complex cooling paint formulation, short outdoor service life, cumbersome preparation process, etc., to improve solar heat reflectivity and cooling effect, use Long life and effect of improving solar heat reflectivity

Inactive Publication Date: 2014-12-17
CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the existing cooling coating has disadvantages such as complex formula, cumbersome preparation process, poor anti-aging performance, short outdoor service life, poor adhesion, and no stain resistance.

Method used

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  • Colored solar heat reflective cooling coating and preparation method thereof
  • Colored solar heat reflective cooling coating and preparation method thereof
  • Colored solar heat reflective cooling coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A colored solar heat reflection and cooling paint, characterized in that: it is prepared from the following components in proportion by weight:

[0047] Acrylic emulsion 40 parts;

[0048] 1 part of color functional pigment;

[0049] Body pigment 10 parts;

[0050] 1 part of auxiliary agent;

[0051] 1 part water.

[0052] The components of the extender pigment and the proportions by weight of each component are:

[0053] 5 parts of talcum powder;

[0054] 1 part of heavy calcium carbonate;

[0055] 1 part barium sulfate;

[0056] 3 parts of silicon dioxide.

[0057] The components of the auxiliary agent and the proportions by weight of each component are:

[0058] 0.2 parts of dispersant;

[0059] Wetting agent 0.1 part;

[0060] 0.2 parts of defoamer;

[0061] 0.3 parts of leveling agent;

[0062] 0.2 part of film-forming aid.

Embodiment 2

[0064] A colored solar heat reflection and cooling paint, characterized in that: it is prepared from the following components in proportion by weight:

[0065] Acrylic emulsion 50 parts;

[0066] 5 parts of colored functional pigments;

[0067] Body pigment 30 parts;

[0068] 5 parts of auxiliary agent;

[0069] 10 parts of water.

[0070] The components of the extender pigment and the proportions by weight of each component are:

[0071] 15 parts of talcum powder;

[0072] 2 parts of heavy calcium carbonate;

[0073] 3 parts of barium sulfate;

[0074] 10 parts of silicon dioxide.

[0075] The components of the auxiliary agent and the proportions by weight of each component are:

[0076] 0.1 to 1 part of dispersant;

[0077] Wetting agent 0.1 to 1 part;

[0078] 0.1 to 1 part of defoamer;

[0079] Leveling agent 0.1 to 1 part;

[0080] 0.1 to 1 parts of film-forming aids.

Embodiment 3

[0082] A colored solar heat reflection and cooling paint, characterized in that: it is prepared from the following components in proportion by weight:

[0083] Acrylic emulsion 45 parts;

[0084] 3 parts of color functional pigments;

[0085] Body pigment 20 parts;

[0086] 3 parts of auxiliary agent;

[0087] 5 parts of water.

[0088] The components of the extender pigment and the proportions by weight of each component are:

[0089] 11 parts of talcum powder;

[0090] 1.5 parts of heavy calcium carbonate;

[0091] 1.5 parts of barium sulfate;

[0092] 6 parts of silicon dioxide;

[0093] The components of the auxiliary agent and the proportions by weight of each component are:

[0094] 0.1 to 1 part of dispersant;

[0095] Wetting agent 0.1 to 1 part;

[0096] 0.1 to 1 part of defoamer;

[0097] Leveling agent 0.1 to 1 part;

[0098] 0.1 to 1 parts of film-forming aids.

[0099] Among them, in the three examples, the ratio of various additive components can be ...

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Abstract

The invention relates to a colored solar heat reflective cooling coating and a preparation method thereof. By using a waterborne acrylic emulsion as a film forming base material, the coating is good in anti-aging performance, long in outdoor service life, non-toxic and environmental friendly, has excellent resistance to stains, alkali resistance and water resistance and has a good adhesive force to base materials such as concrete, metals, woods and glass. By adding color functional auxiliaries with strong near infrared reflection or transmissivity supplemented by various extender pigments and auxiliaries, the coating is simple to prepare, low in cost and environmentally friendly. Compared with common colored coatings, the colored solar heat reflective cooling coating has better near infrared reflection or transmissivity, thereby satisfying the latest requirements on industrial standard of building industry. In winter, the coating can be used for remarkably improving the surface and inner temperatures of a coated object such as concrete, metals and woods, can be widely applied to building roofs and exterior walls and further has ideal energy-saving and cooling effects while being used for beautifying the coated building.

Description

technical field [0001] The invention relates to a colored solar heat reflective cooling paint and a preparation method thereof, in particular to a colored solar heat reflective cooling paint with water-based acrylic emulsion as a film-forming base material and a preparation method thereof. Background technique [0002] White solar heat reflective cooling coating has high solar heat reflectivity, high heat generation rate and low absorption rate, and has excellent cooling performance. White solar heat reflective cooling paint is used on the wall, which can greatly reduce the building's cooling energy consumption in summer. It is more suitable for flat roofs or sloping roofs with small slopes. However, for sloping roofs and facades with large slopes, although white paint has the best cooling effect, from an aesthetic point of view and visual comfort, colored walls and roofs are preferred. Currently, colored solar heat The market demand for reflective cooling coatings is far ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/33
Inventor 张卫东屈建宋建荣秦杰张涛蒋立红李景芳石云兴宋中南
Owner CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
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