CN102153946B - High-temperature infrared radiation coating and preparation method thereof - Google Patents
High-temperature infrared radiation coating and preparation method thereof Download PDFInfo
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- CN102153946B CN102153946B CN 201110143320 CN201110143320A CN102153946B CN 102153946 B CN102153946 B CN 102153946B CN 201110143320 CN201110143320 CN 201110143320 CN 201110143320 A CN201110143320 A CN 201110143320A CN 102153946 B CN102153946 B CN 102153946B
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Abstract
The invention discloses a high-temperature infrared radiation coating and a preparation method thereof. The coating is prepared by mixing a solid material and a liquid material according to a weight ratio of 1:1.2, wherein the particle size of the components of the coating is between 100 nanometers and 2 micrometers; the liquid material is an adhesive; the solid material comprises the following components in percentage by weight: 20 to 35 percent of zirconium silicate, 5 to 15 percent of cordierite, 30 to 45 percent of brown fused alumina, 5 to 15 percent of silicon oxide, 5 to 15 percent of chromium oxide, 5 to 15 percent of ferric oxide, 1 to 5 percent of clay and 1 to 5 percent of modified bentonite. The coating has improved radiation performance and service life and has the characteristics of simple preparation process and low cost; when used in furnaces, the coating does not generate volatile matters and does not pollute products; the coating has excellent dispersion state and can be stored for a long time without dimixing; and the use temperature range is wide, and the coating is applicable to different furnace types.
Description
Technical field
The present invention relates to a kind of coating and preparation method thereof, especially a kind of high temp, infrared radiation coating and preparation method thereof.
Background technology
In recent years, infrared radiation coating develops towards the super-refinement direction, and theoretical investigation shows that the nanometer of high radiant rate energy-saving coatings can further improve the emittance and the specific absorption of coating, thereby brings obvious energy-saving effect more.Simultaneously; The sticking power of ultra-fine grain on matrix is extremely strong; Even have the superfine particle of part can be penetrated in the body material, and so just changed and strengthened the surface property of body material fully, can eliminate degradation phenomenon under coating shedding and the result of use fully; Even under extreme rapid heat cycle condition, the surface does not have phenomenons such as explosion and decortication yet and takes place.For example the infrared radiation coating staple of Britain CRC company all is the nano level raw material.But the ME of nano level infrared radiation coating is complicated, and cost is high.
At present, the commercial coating often adds organic dispersing agent (like CMC etc.), and to guarantee the suspension and the homogeneity of coating, coating is deposited in the process, and dispersion agent lost efficacy easily and causes coating to be reunited, influence construction and using.Domestic coating often adopts stickers such as water glass, silicon sol simultaneously, and use temperature is lower, and bonding strength is relatively poor.
Summary of the invention
The technical problem that the present invention will solve provides the high temp, infrared radiation coating of the radiant ratio that still can reach higher under a kind of hot conditions; The present invention also provides the preparation method of this high temp, infrared radiation coating.
For solving the problems of the technologies described above, coating of the present invention by solid material and liquid material by weight 1 ︰ 1.2 mix, the particle diameter of each composition is between 100 nanometers to 2 micron in the said coating;
Said liquid material is a sticker;
Said solid material is grouped into by the one-tenth of following weight per-cent: zirconium silicate 20～35%, trichroite 5～15%, brown corundum 30～45%, silicon oxide 5～15%, chromic oxide 5～15%, red stone 5～15%, clay 1～5%, modified alta-mud 1～5%.
The preferred liquid material of coating of the present invention is PA-80 glue and/or phosphagel phosphaljel chromium, with the mixed solution of water; The weight percent of PA-80 glue and/or phosphagel phosphaljel chromium is 40～60%.
The particle diameter of 70～80% weight items is 100 nanometer to 500 nanometers in the coating of the present invention, and the particle diameter of 20～30% weight items is 500 nanometers to 2 micron.
The preparation method of coating of the present invention is: utilize the wet high-effective shredder to expect admittedly and the liquid material mixes, the particle diameter that is ground to each composition then is between 100 nanometers to 2 micron.
Among the preparation method of coating of the present invention, utilize the wet high-effective shredder will expect admittedly and liquid abrasive lapping 4h.
The present invention is contemplated that: this coating improves the radiant ratio of coating through nanometer; Solved the caducous problem of coating simultaneously, the work-ing life of having improved coating; Simultaneously, the suspension of coating has been optimized in the nanometer of coating and the use of modified alta-mud, makes the coating long storage time still can keep good dispersion state.
Adopt the beneficial effect that technique scheme produced to be: 1, coating staple of the present invention all between 100 nanometers to 2 micron (the coating powder particles is generally at 25-40 μ m at present), the radiance and the life-span of having improved coating.Adopt the wet high-effective shredder to process and have simple, the lower-cost characteristics of preparation technology;
2, adopt low-volatile sticker and radiation base-material, in kiln uses, can not produce volatile matter, can not pollute product;
3, the suspension of coating has been optimized in the use of the nanometer of coating and modified alta-mud, has guaranteed the dispersion state that coating is good, need not to add dispersion agent, and the coating long storage time also can layering, need not to stir, and shakes up and can use;
4, the TR of using is wide, and be applicable to the different type of furnaces: coating all wave band normal direction total emissivity of the present invention reaches 0.92; Refractoriness is up to 1700 ℃; The kiln that can be used for the different heating type simultaneously, like resistance furnace, gas furnace, oil oven, hotblast stove etc., energy-saving effect reaches more than 10%.
Embodiment
Below in conjunction with specific embodiment the present invention is done further detailed explanation.
Embodiment 1: this infrared radiation coating is by weight being that mixed grinding 4h forms in 1 ︰, the 1.2 input wet high-effective shredders with solid material and liquid material.In the coating that obtains: the particle diameter of coating composition 70% weight item is 100 nanometer to 500 nanometers, and the particle diameter of 30% weight item is 500 nanometers to 2 micron.
The weight percent of each composition is in the said solid material: zirconium silicate 35%; Trichroite 5%; Palm fibre corundum 30%; Silicon oxide 6%; Red stone 6%; Chromic oxide 15%; Clay 2%; Modified alta-mud 1%.
Said liquid material is the mixed solution of PA-80 glue and water, and weight percent is: PA-80 glue 40%, all the other are water.
0.90, cohesive strength is at 3 grades through the method phase total emissivity that detects coating for this instance.Suspension detects: do not get 200mL coating, be placed on respectively in the measuring cup after stirring, leave standstill 72h, layering do not occur.
Embodiment 2: this infrared radiation coating is by weight being that mixed grinding 4h forms in 1 ︰, the 1.2 input wet high-effective shredders with solid material and liquid material.In the coating that obtains: the particle diameter of coating composition 80% weight item is 100 nanometer to 500 nanometers, and the particle diameter of 20% weight item is 500 nanometers to 2 micron.
The weight percent of each composition is in the said solid material: chromic oxide 5%; Zirconium silicate 20%; Palm fibre corundum 45%; Silicon oxide 10%; Red stone 5%; Trichroite 8%; Clay 5%; Modified alta-mud 2%.
Said liquid material is the mixed solution of PA-80 glue and phosphagel phosphaljel chromium and water, and weight percent is: PA-80 glue 25%, and phosphagel phosphaljel chromium 35%, all the other are water.
0.92, cohesive strength is at 3 grades through the method phase total emissivity that detects coating for this instance.Suspension detects: do not get 200mL coating, be placed on respectively in the measuring cup after stirring, leave standstill 72h, layering do not occur.
Embodiment 3: this infrared radiation coating is by weight being that mixed grinding 4h forms in 1 ︰, the 1.2 input wet high-effective shredders with solid material and liquid material.In the coating that obtains: the particle diameter of coating composition 73% weight item is 100 nanometer to 500 nanometers, and the particle diameter of 27% weight item is 500 nanometers to 2 micron.
The weight percent of each composition is in the said solid material: chromic oxide 10%; Zirconium silicate 22%; Palm fibre corundum 33%; Silicon oxide 5%; Red stone 15%; Trichroite 9%; Clay 1%; Modified alta-mud 5%.
Said liquid material (sticker) is the mixed solution of PA-80 glue and phosphagel phosphaljel chromium and water, and weight percent is: PA-80 glue 30%, and phosphagel phosphaljel chromium 20%, all the other are water.
0.94, cohesive strength is at 3 grades through the method phase total emissivity that detects coating for this instance.Suspension detects: do not get 200mL coating, be placed on respectively in the measuring cup after stirring, leave standstill 72h, layering do not occur.
Embodiment 4: this infrared radiation coating is by weight being that mixed grinding 4h forms in 1 ︰, the 1.2 input wet high-effective shredders with solid material and liquid material.In the coating that obtains: the particle diameter of coating composition 75% weight item is 100 nanometer to 500 nanometers, and the particle diameter of 25% weight item is 500 nanometers to 2 micron.
The weight percent of each composition is in the said solid material: zirconium silicate 20%; Trichroite 15%; Palm fibre corundum 30%; Silicon oxide 15%; Red stone 7%; Chromic oxide 8%; Clay 3%; Modified alta-mud 2%.
Said liquid material (sticker) is the mixed solution of PA-80 glue and water, and weight percent is: PA-80 glue 55%, all the other are water.
0.91, cohesive strength is at 3 grades through the method phase total emissivity that detects coating for this instance.Suspension detects: do not get 200mL coating, be placed on respectively in the measuring cup after stirring, leave standstill 72h, layering do not occur.
Embodiment 5: this infrared radiation coating is by weight being that mixed grinding 4h forms in 1 ︰, the 1.2 input wet high-effective shredders with solid material and liquid material.In the coating that obtains: the particle diameter of coating composition 80% weight item is 100 nanometer to 500 nanometers, and the particle diameter of 20% weight item is 500 nanometers to 2 micron.
The weight percent of each composition is in the said solid material: chromic oxide 6%; Zirconium silicate 25%; Palm fibre corundum 43%; Silicon oxide 9%; Red stone 6%; Trichroite 7%; Clay 2%; Modified alta-mud 2%.
Said liquid material (sticker) is the mixed solution of phosphagel phosphaljel chromium and water, and weight percent is: phosphagel phosphaljel chromium 45%, all the other are water.
0.92, cohesive strength is at 3 grades through the method phase total emissivity that detects coating for this instance.Suspension detects: do not get 200mL coating, be placed on respectively in the measuring cup after stirring, leave standstill 72h, layering do not occur.
Claims (4)
1. high temp, infrared radiation coating is characterized in that: this coating by solid material and liquid material by weight 1 ︰ 1.2 mix, the particle diameter of each composition is between 100 nanometers to 2 micron in the said coating;
Said liquid material is a sticker, consists of PA-80 glue and/or phosphagel phosphaljel chromium, with the mixed solution of water; The weight percent of PA-80 glue and/or phosphagel phosphaljel chromium is 40～60%;
Said solid material is grouped into by the one-tenth of following weight per-cent: zirconium silicate 20～35%, trichroite 5～15%, brown corundum 30～45%, silicon oxide 5～15%, chromic oxide 5～15%, red stone 5～15%, clay 1～5%, modified alta-mud 1～5%.
2. high temp, infrared radiation coating according to claim 1 is characterized in that: the particle diameter of 70～80% weight items is 100 nanometer to 500 nanometers in the said coating, and the particle diameter of 20～30% weight items is 500 nanometers to 2 micron.
3. the preparation method of claim 1 or 2 described high temp, infrared radiation coating is characterized in that: utilize the wet high-effective shredder to expect admittedly and the liquid material mixes, the particle diameter that is ground to each composition then is between 100 nanometers to 2 micron.
4. the preparation method of high temp, infrared radiation coating according to claim 3 is characterized in that: utilize the wet high-effective shredder will expect admittedly and liquid abrasive lapping 4h.
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| CN 201110143320 CN102153946B (en) | 2011-05-27 | 2011-05-27 | High-temperature infrared radiation coating and preparation method thereof |
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| CN 201110143320 CN102153946B (en) | 2011-05-27 | 2011-05-27 | High-temperature infrared radiation coating and preparation method thereof |
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| CN102153946A CN102153946A (en) | 2011-08-17 |
| CN102153946B true CN102153946B (en) | 2012-12-19 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102584280A (en) * | 2012-01-18 | 2012-07-18 | 赵凯 | Nano ceramic coating with high emissivity |
| CN104845418A (en) * | 2015-05-29 | 2015-08-19 | 赵志海 | High-temperature kiln liner protective paint |
| CN109694629A (en) * | 2017-10-24 | 2019-04-30 | 唐坚 | A kind of Efficient Infrared Emission type building energy conservation heat insulation coating |
| CN108012347B (en) * | 2017-11-23 | 2021-12-24 | 安徽清龙泉印刷科技股份有限公司 | Preparation process of infrared electrothermal film |
| CN108585900B (en) * | 2018-05-25 | 2020-03-31 | 四川科达节能技术有限公司 | Glaze coating with high blackness and long service life |
| CN109336623A (en) * | 2018-10-26 | 2019-02-15 | 刘新华 | A kind of heat storage strong radiation coat coating and preparation method |
| CN111234590A (en) * | 2020-03-16 | 2020-06-05 | 江苏未名之光纳米科技有限公司 | High-temperature infrared radiation refrigeration coating and preparation method thereof |
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| CN101760058A (en) * | 2010-02-01 | 2010-06-30 | 张春雨 | High-temperature counter radiation resistant inorganic coating and preparation method thereof |
| CN101870830A (en) * | 2010-03-04 | 2010-10-27 | 成都普兰斯纳科技有限公司 | High-temperature energy-saving coating material for metal |
| CN101928479A (en) * | 2010-09-10 | 2010-12-29 | 长沙科星纳米工程技术有限公司 | High-temperature nanometer energy-saving coating |
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Patent Citations (6)
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| CN1552779A (en) * | 2003-12-18 | 2004-12-08 | 周惠敏 | High-temperature far infrared paint and preparing method thereof |
| CN101302365A (en) * | 2008-07-07 | 2008-11-12 | 攀钢集团研究院有限公司 | Far infrared coating and preparation thereof |
| CN101760058A (en) * | 2010-02-01 | 2010-06-30 | 张春雨 | High-temperature counter radiation resistant inorganic coating and preparation method thereof |
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| CN101973768A (en) * | 2010-09-02 | 2011-02-16 | 北京恩吉节能科技有限公司 | Thermal-radiating material and fire-resisting material using same |
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Owner name: TANGSHAN SHENGKE CERAMICS PRODUCT CO., LTD. Free format text: FORMER OWNER: TANGSHAN HI-TECH RESEARCH + TRANSFORMATION CENTER OF CHINESE ACADEMY OF SCIENCES Effective date: 20130820 |
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Effective date of registration: 20130820 Address after: 063020 Hebei Province, Tangshan City high tech Zone Xichang road Beikou business center B block room 402 Patentee after: Tangshan Sheng Ke Ceramics Co., Ltd. Address before: 063020 Hebei Province, Tangshan City high tech Zone Xichang road Beikou business center B block four layer Patentee before: Tangshan Hi-Tech Research & Transformation Center of Chinese Academy of Sciences |
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