Yellow building coating with high near-infrared reflection rate and preparation method thereof

A technology of infrared reflection and architectural coatings, applied in the field of coatings, can solve the problems of low tinting strength, unreachable near-infrared reflectance, large dosage, etc., and achieve the effect of reducing building energy consumption and reducing environmental and personal hazards

Inactive Publication Date: 2017-06-13
JIANGSU TOP FINE NEW RAW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For medium and high lightness yellow architectural coatings, there are some problems: 1. Yellow IR pigment has low tinting power and large dosage; 2. When the finished paint is in medium lightness, the near-infrared reflectance cannot reach or equal to L* / 100 rule

Method used

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  • Yellow building coating with high near-infrared reflection rate and preparation method thereof
  • Yellow building coating with high near-infrared reflection rate and preparation method thereof
  • Yellow building coating with high near-infrared reflection rate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Main composition parts by weight are as follows:

[0027]

[0028] The preparation method is as follows:

[0029] Step 1. Add 20 parts of water to the paint mixing tank, adjust the high-speed stirring speed to 400rpm, then add 0.5 parts of cellulose, and after the dispersion is even, add 3 parts of other additives successively, and disperse evenly again;

[0030] Step 2. Adjust the stirring speed to 1000 rpm, add 25 parts of filler to the slurry obtained in step 1, and adjust the speed to 2400 rpm to disperse after the filler is wetted until the fineness of the dispersed slurry is less than 50 μm;

[0031] Step 3. Adjust the stirring speed to 1000rpm. Add 6 parts of white near-infrared reflective material IR-1000, 4 parts of yellow near-infrared reflective material, and 5 parts of iron yellow to the slurry obtained in step 2. After the materials are wetted, adjust the speed to Disperse at 2500rpm until the fineness of the dispersed slurry is less than 50μm;

[0032...

Embodiment 2

[0034] Main composition parts by weight are as follows:

[0035]

[0036]

[0037] The preparation method is the same as in Example 1.

Embodiment 3

[0039] Main composition parts by weight are as follows:

[0040]

[0041] The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention discloses a yellow architectural coating with high near-infrared reflectivity and a preparation method thereof, which comprises the following main components in parts by weight: 20-25 parts of water, 0.5-1 part of cellulose, 25-40 parts of emulsion, and 25-40 parts of filler. 40 parts, 5-10 parts of white near-infrared reflective material, 2-6 parts of yellow near-infrared reflective material, 0-5 parts of iron yellow, 4-10 parts of coating additive. Compared with common yellow architectural coatings, the invention can increase TSR by more than 10% and NIR by more than 20%.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a yellow architectural coating with high near-infrared reflectance and a preparation method thereof. Background technique [0002] In recent years, with the continuous development of green and energy-saving buildings, various types of reflective and heat-insulating coatings have emerged in an endless stream. Followed by the continuous release or revision of various relevant standards, from the perspective of various existing standards, the color-oriented reflective heat insulation coating standards are constantly improving. [0003] JG / T 235-2014 "Architectural Reflective and Thermal Insulation Coatings" stipulates that "at medium lightness, the near-infrared reflectance must be greater than or equal to L* / 100", "at high lightness, the near-infrared reflectance must be greater than or equal to 0.80". For many colored reflective heat-insulating coatings, when the color is determ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D133/04C09D127/12C09D123/08C09D5/33C09D7/12
CPCC09D125/14C09D5/004C09D7/61C09D7/65C09D123/0869C09D127/12C09D133/04C09D143/04C08L33/04C08L43/04C08L27/12C08L23/0869C08L1/284C08K2003/2241C08K2003/2272
Inventor 谢宏伟廖向阳蒋磊王玲
Owner JIANGSU TOP FINE NEW RAW MATERIAL CO LTD
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