Reflective and heat-isolation coating and preparation method thereof

A technology of reflective thermal insulation coatings and raw materials, applied in reflective/signal coatings, anti-corrosion coatings, fire-retardant coatings, etc., can solve the problems of high price of reflective fillers, short service life of coatings, low high temperature resistance, etc., and achieve super anti-sticking. The effect of stain resistance, radiation insulation improvement, excellent elasticity and elongation

Inactive Publication Date: 2017-10-27
张聪聪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reflective thermal insulation coatings currently on the market have the following disadvantages: 1. The thermal insulation performance is poor, and the thermal insulation performance of the thermal insulation coating needs to be further improved; 2. The use of solvent-based coatings is not conducive to environmental protection; 3. It is used to prepare reflective insulation Reflective fillers f

Method used

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  • Reflective and heat-isolation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] Example 1

[0034] Raw materials (in parts by weight):

[0035] 40 parts of polymer emulsion, 4 parts of composite hollow beads, 10 parts of rutile titanium dioxide, 1 part of flame retardant, 0.5 part of film-forming aid (propylene glycol butyl ether), 0.1 part of wetting agent (polyoxyethylene alkylphenol) Ether), 0.1 part of dispersant, 0.1 part of preservative, 0.05 part of defoamer, 0.01 part of thickener, and 10 parts of deionized water.

[0036] Preparation:

[0037] S1. Put deionized water into the dispersing machine first, and then add half of the total amount of flame retardant, wetting agent, dispersant and defoamer to the dispersing machine under the condition of the speed of the dispersing machine at 150-200rpm After the addition, increase the speed to 500rpm and stir for 5-10min, then adjust the speed to 300rpm, slowly add the rutile titanium dioxide, after the addition, adjust the high speed to 600rpm, disperse at high speed for 5min, and then add the film formi...

Example Embodiment

[0040] Example 2

[0041] 50 parts of polymer emulsion, 5 parts of composite hollow beads, 15 parts of rutile titanium dioxide, 2 parts of flame retardant, 1 part of film-forming aid (propylene glycol methyl ether acetate), 0.2 part of wetting agent (polyoxyethylene Base phenol ether and polyoxyethylene fatty alcohol ether), 0.2 part of dispersant, 0.3 part of preservative, 0.1 part of defoamer, 0.1 part of thickener, and 15 parts of deionized water.

[0042] The preparation method of the above reflective heat-insulating paint is the same as in Example 1.

Example Embodiment

[0043] Example 3

[0044] 55 parts of polymer emulsion, 6 parts of composite hollow microbeads, 18 parts of rutile titanium dioxide, 2.5 parts of flame retardant, 1.5 parts of film-forming aids (propylene glycol butyl ether, propylene glycol methyl ether acetate and dodecyl alcohol ester), 0.3 part of wetting agent (polyoxyethylene polyoxypropylene block copolymer), 0.3 part of dispersant, 0.4 part of preservative, 0.15 part of defoamer, 0.15 part of thickener, and 18 parts of deionized water.

[0045] The preparation method of the above reflective heat-insulating paint is the same as in Example 1.

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Abstract

The invention relates to a reflective and heat-isolation coating and a preparation method thereof. The reflective and heat-isolation coating is characterized by being prepared from the following raw materials in parts by weight: 40 to 60 parts of macromolecular emulsion, 4 to 8 parts of composite hollow microspheres, 10 to 20 parts of rutile type titanium dioxide, 1 to 3 parts of flame-retardant agent, 0.5 to 2 parts of filming additive, 0.1 to 0.5 part of wetting agent, 0.1 to 0.5 part of dispersant, 0.1 to 0.5 part of preservative, 0.05 to 0.2 part of defoaming agent, 0.01 to 0.2 part of thickening agent, and 10 to 20 parts of deionized water, wherein the macromolecular emulsion is a mixed solution of acrylate emulsion and polyurethane emulsion; the composite hollow microspheres comprise hollow glass microspheres, hollow ceramic microspheres, and fly ash hollow microspheres. The reflective and heat-isolation coating has the advantages that the components are scientifically compounded, the usage amount of the coating is small, the use cost is low, the reflective and heat-isolation effects of the coating thin layer are good, the construction is rapid, the anti-cracking property, anti-dirt property and weather-resistant property are good, and the certain flame-retardant function is realized.

Description

Technical field [0001] The invention belongs to the technical field of building materials, and particularly relates to a reflective and heat-insulating coating suitable for the fields of exterior walls and roofs such as houses, schools, apartments, etc., and a preparation method thereof. Background technique [0002] The current building energy consumption accounts for 30% of the energy consumption of the whole society, the most important of which is the use of air conditioners. In the hot summer, sunlight is directed to the roof, absorbed by the roof, and transferred into the house to increase the indoor temperature. According to statistics, the roof receives sunshine for the longest time, and the heat absorbed by the roof accounts for 46% of the total heat absorbed by the house. Therefore, research and development Building thermal insulation coatings have significant economic, environmental and social benefits. Reflective heat insulation coating means that when sunlight hits t...

Claims

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Application Information

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IPC IPC(8): C09D5/33C09D5/18C09D5/16C09D5/08C09D5/14C09D133/04C09D175/04C09D7/12
CPCC09D5/004C08K2003/2224C08K2003/2241C08K2003/3054C08K2003/387C08L2201/02C08L2201/08C08L2205/035C09D5/08C09D5/14C09D5/1687C09D5/18C09D133/04C09D175/04C08L75/04C08L71/02C08K13/04C08K7/28C08K7/24C08K3/22C08K3/38C08K3/30C08K5/47C08L33/04
Inventor 张聪聪
Owner 张聪聪
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