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A high-blackness and long-life glaze coating

A coating and glaze technology, applied in the field of energy-saving materials, can solve the problems of reducing the thermal expansion rate and cooling shrinkage rate of the glaze coating, reducing the cracking and falling off probability of the glaze coating, and increasing the service life of the coating, so as to reduce cracking and falling off Probability, reduce internal stress, increase the effect of service life

Active Publication Date: 2020-03-31
四川科达节能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of short service life and low blackness in existing infrared radiation coatings, and provide a high-blackness and long-life glazed coating; There is a synergistic effect between them, which can improve the blackness of the glaze coating and reduce the thermal expansion coefficient; and the combination of fiber materials and low shrinkage fillers can reduce the thermal expansion rate and cooling shrinkage rate of the glaze coating, and significantly reduce the glaze coating. The probability of cracking and falling off of the top coat increases the service life of the coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A glaze coating raw material: comprising 45 parts by weight of powder base material and 35 parts by weight of carrier binder;

[0028] Among them, the powder base material is prepared from the following raw materials in parts by weight: 8 parts of silicon dioxide, 20 parts of ferric oxide, 20 parts of chromium oxide, 20 parts of titanium dioxide, 10 parts of cobalt oxide, 1 part of silicon carbide fiber, 2 parts Lepidolite powder, 3 parts of aluminum oxide, 2 parts of magnesium silicate, 8 parts of cordierite powder; wherein, the particle size of silicon dioxide, ferric oxide, chromium oxide, titanium dioxide and cobalt oxide is 0.5 -5μm; the diameter of silicon carbide fiber is 10nm, and the aspect ratio is 4:1; the particle size of lepidolite powder, aluminum oxide, magnesium silicate and cordierite is 2-10μm; the carrier binder is silica sol and PA-80 glue;

[0029] The preparation method is:

[0030] (1) Mix silicon dioxide, ferric oxide, chromium oxide, titanium ...

Embodiment 2

[0035] A glaze coating raw material: comprising 30 parts by weight of a powder base material and 50 parts by weight of a carrier binder;

[0036] Wherein, the powder base material is prepared from the following raw materials in parts by weight: 5 parts of silicon dioxide, 5 parts of ferric oxide, 30 parts of chromium oxide, 5 parts of titanium dioxide, 15 parts of cobalt oxide, 0.2 parts of silicon carbide fiber, 3 parts Lepidolite powder, 0.1 parts of aluminum oxide, 3 parts of magnesium silicate, 5 parts of cordierite powder; wherein, the particle size of silicon dioxide, ferric oxide, chromium oxide, titanium dioxide and cobalt oxide is 0.5 -5μm; the diameter of silicon carbide fiber is 5nm, and the aspect ratio is 5:1; the particle size of lepidolite powder, aluminum oxide, magnesium silicate and cordierite is 2-10μm; the carrier binder is water glass and carboxymethyl cellulose;

[0037] The preparation method is:

[0038] (1) Mix silicon dioxide, ferric oxide, chromium...

Embodiment 3

[0043] A glaze coating raw material: comprising 60 parts by weight of a powder base material and 20 parts by weight of a carrier binder;

[0044] Wherein, the powder base material is prepared from the following raw materials in parts by weight: 10 parts of silicon dioxide, 30 parts of ferric oxide, 5 parts of chromium oxide, 30 parts of titanium dioxide, 0.5 part of cobalt oxide, 2 parts of silicon carbide fiber, 0.5 part of Lepidolite powder, 5 parts of aluminum oxide, 1 part of magnesium silicate, 10 parts of cordierite powder; wherein, the particle size of silicon dioxide, ferric oxide, chromium oxide, titanium dioxide and cobalt oxide is 0.5 -5μm; the diameter of silicon carbide fiber is 20nm, and the aspect ratio is 2:1; the particle size of lepidolite powder, aluminum oxide, magnesium silicate and cordierite is 2-10μm; the carrier binder is dihydrogen phosphate aluminum;

[0045] The preparation method is:

[0046] (1) Mix silicon dioxide, ferric oxide, chromium oxide,...

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Abstract

The invention discloses a high-blackness long-life glazed coating. The coating is prepared from, by weight, 30-60 parts of powder base stock and 20-50 parts of carrier adhesives; the powder base stockis prepared from, by weight, 5-10 parts of silicon dioxide, 5-30 parts of ferric oxide, 5-30 parts of chromium hemitrioxide, 5-30 parts of titanium dioxide, 0.5-15 parts of cobalt oxide, 0.2-2 partsof silicon carbide fiber, 0.5-3 parts of lithium mica powder, 0.1-5 parts of aluminum oxide, 1-3 parts of magnesium silicate and 5-10 parts of cordierite powder; all the raw materials in the powder base stock have the synergistic interaction effect, the backness of the glaze coating can be improved, and a thermal expansion coefficient can be decreased; by cooperatively using the fiber material andlow-shrinkage filler, the thermal expansion coefficient and the cooling shrinking percentage of the glaze coating can be lowered, the cracking and shedding probability of the glaze coating can be remarkably lowered, and the service life of the coating is prolonged.

Description

technical field [0001] The invention relates to the field of energy-saving materials, in particular to a high-blackness and long-life glaze coating, which is an infrared radiation coating. Background technique [0002] Infrared radiation coating is a special functional energy-saving coating composed of radiation powder base material and carrier binder. The function of radiation powder base material is to provide high radiation performance, and the carrier binder makes the coating firmly bonded to the substrate. surface. With the continuous development of infrared technology, people have found that many substances have high infrared spectral emissivity from a large number of material spectra, and developed a variety of infrared radiation coatings based on these substances to improve the radiation characteristics of the surface of the object. The purpose of enhancing radiation heat transfer. With the continuous change of the application environment of infrared radiation coat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66C03C8/20
CPCC03C8/20C04B35/66C04B2235/3217C04B2235/3232C04B2235/3241C04B2235/3272C04B2235/3275C04B2235/3418C04B2235/3445C04B2235/3472C04B2235/3481C04B2235/5244
Inventor 杨柯
Owner 四川科达节能技术有限公司