Polyurethane modified acrylate composite thermal-insulation energy-saving paint and preparation method thereof

A technology of polyurethane modification and acrylate, which is applied in polyurea/polyurethane coatings, fireproof coatings, reflection/signal coatings, etc. It can solve the problems of limitation and expensive fluororesin, achieve good reflection, reduce heat accumulation, and reduce Effect of VOC content

Inactive Publication Date: 2018-04-06
广东炬鼎节能设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, fluororesin is relatively expensive, and its use in bu

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A polyurethane-modified acrylate composite heat-insulating and energy-saving coating, characterized in that its raw materials include the following components in parts by weight: 30 parts of polyurethane emulsion, 30 parts of acrylate emulsion, 2 parts of glass hollow microspheres, and 8 parts of diatom mud 5 parts, 5 parts of nano-titanium dioxide, 6 parts of heat-reflecting heat insulating powder, 5 parts of alumina powder, 3 parts of mica powder, 3 parts of titanium dioxide, 0.3 parts of pH regulator, 0.5 parts of dispersant, 0.2 parts of defoamer, film-forming 1.0 part of additive, 0.5 part of thickener, 0.1 part of wetting agent, 30 parts of deionized water.

[0027] The glass hollow microspheres are hollow microspheres with a diameter of 50 μm.

[0028] The titanium dioxide described is rutile titanium dioxide.

[0029] The said defoamer is a silicone defoamer.

[0030] The dispersant is sodium tripolyphosphate.

[0031] Described thickening agent is methyl cel...

Embodiment 2

[0036] A polyurethane modified acrylate composite heat-insulating and energy-saving coating, characterized in that its raw materials include the following components by weight: 60 parts of polyurethane emulsion, 60 parts of acrylate emulsion, 5 parts of glass hollow microspheres, 15 parts of diatom mud 10 parts of nano-titanium dioxide, 10 parts of heat-reflecting heat insulating powder, 10 parts of alumina powder, 6 parts of mica powder, 8 parts of titanium dioxide, 0.9 parts of pH regulator, 1.0 parts of dispersant, 0.5 parts of defoamer, film-forming 2.5 parts of additives, 0.8 parts of thickener, 0.3 parts of wetting agent, 50 parts of deionized water.

[0037] The glass hollow microspheres are hollow microspheres with a particle diameter of 150 μm.

[0038] The titanium dioxide described is rutile titanium dioxide.

[0039] The described defoamer is a mineral oil defoamer.

[0040] The dispersant is sodium hexametaphosphate.

[0041] Described thickening agent is hydroxy...

Embodiment 3

[0046] A polyurethane-modified acrylate composite heat-insulating and energy-saving coating, characterized in that its raw materials include the following components by weight: 45 parts of polyurethane emulsion, 45 parts of acrylate emulsion, 4 parts of glass hollow microspheres, 12 parts of diatom mud 7 parts, 7 parts of nano-titanium dioxide, 12 parts of heat-reflecting insulation powder, 6 parts of alumina powder, 5 parts of mica powder, 5 parts of titanium dioxide, 0.6 parts of pH regulator, 0.8 parts of dispersant, 0.3 parts of defoamer, film-forming 1..5 parts of additives, 0.6 parts of thickener, 0.2 parts of wetting agent, 40 parts of deionized water.

[0047] The glass hollow microspheres are hollow microspheres with a particle diameter of 100 μm.

[0048] The titanium dioxide described is rutile titanium dioxide.

[0049] The said defoamer is a combination of silicone defoamer and mineral oil defoamer in any proportion.

[0050] The dispersant is a combination of s...

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Abstract

The invention provides a polyurethane-modified acrylate composite heat-insulating and energy-saving coating, and its raw materials include the following components by weight: 30-60 parts of polyurethane emulsion, 30-60 parts of acrylate emulsion, and 2-5 parts of glass hollow microspheres , 8-15 parts of diatom mud, 5-10 parts of nano-titanium dioxide, 6-10 parts of heat-reflecting insulation powder, 5-10 parts of alumina powder, 3-6 parts of mica powder, 3-8 parts of titanium dioxide, pH adjustment 0.3-0.9 parts of agent, 0.5-1.0 parts of dispersant, 0.2-0.5 parts of defoamer, 1.0-2.5 parts of coalescent, 0.5-0.8 parts of thickener, 0.1-0.3 parts of wetting agent, 30 parts of deionized water ‑50 servings. The invention also provides its preparation method. The coating has high wear resistance, adhesion, flexibility, high peel strength and excellent low temperature resistance, as well as excellent optical properties and weather resistance of polyacrylate, and is a kind of coating with excellent comprehensive performance. It has the advantages of advanced radiation curing materials, heat insulation and energy saving, and low thermal conductivity.

Description

technical field [0001] The invention relates to an environment-friendly, heat-insulating and energy-saving paint for exterior walls, in particular to a polyurethane-modified acrylate composite heat-insulating and energy-saving paint and a preparation method thereof. Background technique [0002] Exterior wall paint is used to paint the exterior walls of buildings, so the most important indicator is anti-ultraviolet radiation, which requires long-term exposure without discoloration. Since 2013, energy-saving and environmentally friendly liquid stone water-based coatings have attracted more and more attention. Some exterior wall coatings also require water resistance and self-cleaning properties. The paint film should be hard and smooth, and the dirt will fall off as soon as it is washed. Exterior wall paint can be used for interior wall painting because it also has water resistance; while interior wall paint does not have anti-sun function, so interior wall paint cannot be ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D133/04C09D5/33C09D5/18C09D7/61C09D7/43C09D7/44
CPCC09D175/04C08K2003/2227C08K2003/2241C08K2201/003C08K2201/014C08L2205/03C08L2205/035C09D5/004C09D5/18C09D133/04C08L33/04C08L1/28C08K13/04C08K7/26C08K7/28C08K3/22C08K3/34C08L75/04C08L1/284C08L33/26C08L29/04
Inventor 邹伟国
Owner 广东炬鼎节能设备有限公司
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