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Reflective heat-insulating coating

A reflective heat-insulating coating and modification technology, applied in the field of decorative coatings, can solve the problems of the tensile strength and elongation at break of the coating film to be improved, the use cost is high, and it is easy to fall off, so as to improve the smoothness of spraying and the uniformity of the coating. properties, and the effect of improving tensile strength

Pending Publication Date: 2019-12-06
Jiangsu Jiunuo Architectural Materials Technology Co Ltd
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing reflective heat-insulating coatings have the following problems: 1. The price is high. The price of reflective heat-insulating coatings is higher than that of many exterior wall coatings, resulting in high cost of use. 2. It is easy to fall off. The tensile strength and elongation at break of the coating film still needs to be improved

Method used

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  • Reflective heat-insulating coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A reflective heat-insulating coating, the composition of which is as follows in parts by mass: 20 parts of water, 10 parts of acrylic emulsion, 16 parts of surface-coated modified ultrafine hollow glass microspheres, 10 parts of rutile titanium dioxide, 10 parts of elastic emulsion, and 2 parts of cellulose , 0.2 parts of defoaming agent, 0.12 parts of plasticizer, 1.3 parts of dodecyl alcohol ester film-forming aid, 0.1 part of leveling agent, and 0.12 part of anti-mold and fungicide.

[0032] Among them, the modified superfine hollow glass microspheres coated with titanium dioxide film are selected as the modified superfine hollow glass microspheres.

[0033] Among them, the elastic emulsion is a mixture of pure acrylic emulsion, silicone acrylic emulsion and water-based polyurethane emulsion, and its mass ratio is 3:1:2.

[0034] Wherein, the cellulose is selected from nano-cellulose crystals.

[0035] Among them, the antifoaming agent is composed of mineral oil in ...

Embodiment 2

[0040] A reflective heat-insulating coating, the composition of which is as follows in parts by mass: 24 parts of water, 12 parts of acrylic emulsion, 17 parts of surface-coated modified ultrafine hollow glass microspheres, 11 parts of rutile titanium dioxide, 10 parts of elastic emulsion, and 4 parts of cellulose , 0.2 parts of defoaming agent, 0.15 parts of plasticizer, 1.5 parts of dodecyl alcohol ester film-forming aid, 0.2 parts of leveling agent, and 0.15 parts of anti-mold and fungicide.

[0041]Among them, the modified superfine hollow glass microspheres coated with titanium dioxide film are selected as the modified superfine hollow glass microspheres.

[0042] Among them, the elastic emulsion is a mixture of pure acrylic emulsion, silicone acrylic emulsion and water-based polyurethane emulsion, and its mass ratio is 3.2:1:2.

[0043] Wherein, the cellulose is a mixture of nano-cellulose crystals and nitrocellulose, the mass ratio of which is 1:1.

[0044] Among them,...

Embodiment 3

[0049] A reflective heat-insulating coating, the composition of which is as follows in parts by mass: 25 parts of water, 15 parts of acrylic emulsion, 18 parts of surface-coated modified ultrafine hollow glass microspheres, 11 parts of rutile titanium dioxide, 11 parts of elastic emulsion, and 8 parts of cellulose , 0.3 parts of defoaming agent, 0.24 parts of plasticizer, 3.2 parts of dodecyl alcohol ester film-forming aid, 0.3 part of leveling agent, and 0.21 part of anti-mold fungicide.

[0050] Wherein, the surface-coated modified ultrafine hollow glass microspheres are coated with silicon dioxide / polytetrafluoroethylene composite film and modified ultrafine hollow glass microspheres.

[0051] Among them, the elastic emulsion is a mixture of pure acrylic emulsion, silicon acrylic emulsion and water-based polyurethane emulsion, and its mass ratio is 4:1:2.

[0052] Wherein, the cellulose is a mixture of nano-cellulose crystals and nitrocellulose, the mass ratio of which is 1...

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Abstract

The invention relates to the technical field of decorative coatings, in particular to a reflective heat-insulating coating. The reflective heat-insulating coating comprises the following components inparts by mass: 20-30 parts of water, 10-20 parts of acrylic emulsion, 16-20 parts of surface-coated modified superfine hollow glass beads, 10-12 parts of rutile titanium dioxide, 10-12 parts of elastic emulsion, 2-12 parts of cellulose, 0.2-0.4 parts of defoaming agent, 0.12-0.32 parts of plasticizer, 1.3-4.8 parts of texanol (coalescing agent), 0.1-0.5 parts of leveling agent and 0.12-0.32 partsof anti-mildew bactericide. According to the coating, the surface-coated modified superfine hollow glass beads are added to be used as the heat-insulating material, so that the dispersity and compatibility in the coating are improved; and a surfactant, a water-soluble or oil-soluble polymer compound and the like are used for carrying out coating treatment on the surface of the powder to achieve the purpose of surface modification, so that the cementing capability, the strength, the temperature resistance and the like of the superfine hollow glass beads are improved, and therefore the coatinguniformity of the reflective heat-insulating coating and the spraying quality of a coating film are improved.

Description

technical field [0001] The invention relates to the technical field of decorative coatings, in particular to a reflective heat-insulating coating and a preparation method thereof. Background technique [0002] Reflective heat-insulating coatings are composed of base materials, heat-reflecting pigments, fillers and additives. Thermal insulation is achieved by efficiently reflecting sunlight. Reflective heat insulation coating is a new type of cooling coating that integrates reflection, radiation and hollow microsphere heat insulation. The coating can highly reflect the solar infrared and ultraviolet rays in the range of 400nm--2500nm, preventing the sun's heat from accumulating on the surface of the object. , and can automatically radiate heat and cool down, radiate the heat on the surface of the object into space, reduce the temperature of the object, even in cloudy days and nights, the paint can radiate heat to reduce the temperature, and at the same time, put the thermal ...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D175/04C09D101/02C09D101/18C09D5/33C09D7/62C09D7/61C09D7/63C09D7/65
CPCC09D133/04C09D5/004C09D7/62C09D7/61C09D7/63C09D7/65C08L2205/035C08L2205/025C08L2205/02C08K2003/2241C08L33/04C08L43/04C08L75/04C08L1/02C08K13/06C08K9/10C08K7/28C08K3/22C08K3/36C08K5/12C08L1/18
Inventor 王四九
Owner Jiangsu Jiunuo Architectural Materials Technology Co Ltd
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