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Colored heat insulation coating with medium and high brightness, and preparation method therof

A heat-insulating coating and high-brightness technology, applied in the coating field, can solve the problems of inability to meet the various requirements of exterior wall coatings, restrictions on use and promotion, high absorption, etc., to reduce the probability of reproduction, good aging resistance and durability Moderate staining and air permeability

Inactive Publication Date: 2019-03-29
浙江时进节能环保涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the heat-reflective and heat-insulating coatings sold on the market are white, using hollow microspheres and high-reflectivity titanium dioxide as the main functional pigments and fillers, which reflect relatively high sunlight, but the color is single, which cannot meet the requirements of exterior wall coatings used in the construction field. Various color requirements
The use and promotion of colored heat reflective coatings are limited due to their high absorption in the visible light band

Method used

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  • Colored heat insulation coating with medium and high brightness, and preparation method therof
  • Colored heat insulation coating with medium and high brightness, and preparation method therof
  • Colored heat insulation coating with medium and high brightness, and preparation method therof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of preparation method of the color heat insulating coating of middle and high lightness, comprises the following steps:

[0037] Step 1. First measure 100Kg of deionized water, then add 2Kg of hydroxyethyl cellulose ether, 15Kg of propylene glycol, 4Kg of dispersant, 1Kg of preservative, 100Kg of silicone resin emulsion and 200Kg of filler for stirring. Be 500rpm, duration 1h, obtain primary mixture;

[0038] Step 2. Add 1Kg of wetting agent, 150Kg of cold pigment, 10Kg of near-infrared reflective powder, 2Kg of defoamer, 100Kg of pure acrylic emulsion, 1Kg of film-forming aid, 1Kg of thickener and others to the initial mixture in step 1. The additive is 2Kg, continue to mix, the temperature is further raised to 80°C, the stirring speed is 600rpm, the duration is 2h, and the finished coating is obtained after being fully dispersed.

[0039]Among them, the near-infrared reflective powder can be purchased from Huntsman, UK, and the cold pigment can be purchased fr...

Embodiment 2

[0042] A preparation method of a medium-high lightness colored heat-insulating paint, comprising the following steps:

[0043] Step 1. First measure 200Kg of deionized water, then add 3Kg of hydroxyethyl cellulose ether, 20Kg of propylene glycol, 6Kg of dispersant, 3Kg of preservative, 200Kg of silicone resin emulsion and 300Kg of filler for stirring. Be 800rpm, duration 2h, obtain primary mixture;

[0044] Step 2. Add 3Kg of wetting agent, 200Kg of cold pigment, 20Kg of near-infrared reflective powder, 4Kg of defoamer, 200Kg of pure acrylic emulsion, 3Kg of film-forming aid, 3Kg of thickener and others to the initial mixture in step 1. Auxiliary 6Kg, continue to mix, the temperature is further raised to 90°C, the stirring speed is 1000rpm, and the duration is 3h, and the finished coating is obtained after being fully dispersed.

Embodiment 3

[0046] A preparation method of a medium-high lightness colored heat-insulating paint, comprising the following steps:

[0047] Step 1. First measure 150Kg of deionized water, then add 2.5Kg of hydroxyethyl cellulose ether, 17Kg of propylene glycol, 5Kg of dispersant, 2Kg of preservative, 150Kg of silicone resin emulsion and 250Kg of filler for stirring. The temperature rises to 55°C and stirs Rotating speed is 650rpm, duration 1.5h, obtain primary mixture;

[0048] Step 2. Add 2Kg of wetting agent, 180Kg of cold pigment, 15Kg of near-infrared reflective powder, 3Kg of defoamer, 150Kg of pure acrylic emulsion, 2Kg of film-forming aid, 2Kg of thickener and others to the initial mixture in step 1. Auxiliary 4Kg, continue to mix, the temperature is further raised to 85°C, the stirring speed is 800rpm, the duration is 2.5h, and the finished coating is obtained after being fully dispersed.

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Abstract

The invention discloses a colored heat insulation coating with medium and high brightness, and relates to the field of coatings. The coating comprises, by mass, 100-200 parts of deionized water, 2-3 parts of hydroxyethyl cellulose ether, 15-20 parts of propylene glycol, 4-6 parts of a dispersant, 1-3 parts of a wetting agent, 150-200 parts of a cold pigment, 200-300 parts of a filler, 1-3 parts ofa preservative, 2-4 parts of an antifoaming agent, 100-200 parts of a silicone resin emulsion, 100-200 parts of a pure acrylic emulsion, 1-3 parts of a film forming additive, 1-3 parts of a thickener, 10-20 parts of near-infrared reflective powder and 2-6 parts of other additives. The addition of the cold pigment and the near-infrared reflective powder to the coating can effectively reduce the indoor temperature and reduce the loss of building energy consumption; and the coating has a simple preparation method, and is suitable for large-scale production.

Description

technical field [0001] The invention relates to the field of coatings, more specifically, it relates to a medium-high brightness color heat-insulating coating and a preparation method thereof. Background technique [0002] Heat-reflective and heat-insulating coatings can make the coated object produce temperature-regulating effects under sunlight, including solar shielding coatings, solar heat-reflecting coatings, space thermal insulation coatings, energy-saving thermal insulation coatings, infrared camouflage cooling coatings, etc. Among them, solar reflective coatings achieve the purpose of heat insulation and cooling by reflecting part of the wavelength of sunlight, also known as reflective energy-saving coatings. This type of coating is easy to use and has obvious energy-saving effects. It is widely used in various fields such as construction, petroleum, and transportation. It is currently a hot spot in the research of heat-insulating coatings. Traditionally, high-refle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D133/04C09D5/29C09D5/33C09D5/16C09D5/14C09D7/61C09D7/62C09D7/63C09D7/65
CPCC08K2003/265C08K2201/014C08L2201/08C08L2205/035C09D5/004C09D5/14C09D5/1675C09D5/1687C09D5/29C09D143/04C09D183/04C08L83/04C08L1/284C08L5/08C08K13/06C08K9/08C08K3/26C08K5/1345C08K5/526C08K7/28C08L43/04
Inventor 郑茂巍吕博刘娟张燕平邱爽
Owner 浙江时进节能环保涂料有限公司
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