CN1242398A - Infrared radiation heating baking coatings - Google Patents
Infrared radiation heating baking coatings Download PDFInfo
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- CN1242398A CN1242398A CN 99103712 CN99103712A CN1242398A CN 1242398 A CN1242398 A CN 1242398A CN 99103712 CN99103712 CN 99103712 CN 99103712 A CN99103712 A CN 99103712A CN 1242398 A CN1242398 A CN 1242398A
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- infrared radiation
- coating
- radiation heating
- oxide compound
- coating material
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Abstract
The present invention relates to a far-infrared radiation heating and baking coating material which contains Fe2O3, Cr2O3, MnO2, CaO and TiO2, etc.. Its powdered coating material contains dispersing agent which is 1-5% of total weight of oxides, and its paste coating material can contain binding agents, e. g. water glass, etc. which are 60-120% of total weight of the oxides. Said invented product possesses high normal emissivity (greater than or equal to 0.89), excellent alternation resistance and high energy-saving efficiency (up to above 27%), and its requirement for heat source is low, so that it can be extensively used for heating and baking various products.
Description
The invention belongs to technical field of coatings, particularly a kind of infrared radiation heating baking coatings.
Far-infrared radiation heating technique principle is: some material is after being heated, and electronic energy wherein transits to the excited state of higher energy level from being excited than low-lying level.When electronics comes back to low-lying level, just energy emission can take place, the beam wavelength that radiates is specific infrared, far infrared wavelength scope especially, some are moisture, hydroxyl, amino material effect are fine for heating for this.Because water molecules can respond resonance effect so that the deep water molecule also can be by heating release effectively especially at far infrared band.Therefore, it is higher than simple heated baking efficient to utilize far-infrared radiation to carry out the material heated baking, effect is better, can be issued to the heats that just can reach under the higher heat source temperature than the low heat temperature, and does not damage the original outward appearance of material, color and luster and interior quality.At present, the far-infrared radiation of domestic production heating coating normal emittance is lower, generally can only reach 0.85; Energy-saving efficiency is lower, generally at 15%-20%.
The object of the invention is to provide a kind of infrared radiation heating baking coatings of better performances.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: a kind of infrared radiation heating baking coatings comprises Fe
2O
3, also contain Cr
2O
3, MnO
2
Contain CoO, TiO
2
Weight percentage is:
Fe
2O
3?57-70％、Cr
2O
3?12-24％、MnO
2?5-9％、
CoO?1.5-2.5％、TiO
2?6-11％、MgO?2-4％、
SiO
2?1.5-4％、Al
2O
3?1-2.5％。
Contain the dispersion agents such as Sodium hexametaphosphate 99 that account for oxide compound gross weight 1-5%.
Contain the binding agents such as water glass that account for oxide compound gross weight 60-120%.
The production method of described coating, the oxide compound behind the formula ratio drying and dewatering and dispersion agent added more than ball mill grinding to 240 order.
Binding agents such as oxide compound behind the formula ratio drying and dewatering and water glass were added ball mill grinding more than 28 hours.
Fig. 1 is the relative radiating capacity spectrogram of embodiment 1;
Fig. 2 is the relative radiating capacity spectrogram of embodiment 2.
Product using method of the present invention: for powder-type coating, after the binding agents such as coating and waterglass are mixed Divide the thermal field inner structural members surface that is coated on clean firing equipment for twice, treat at twice coating interval 4 hours Coating dries and can use. Can directly apply for slurry coating material (having added the binding agents such as waterglass).
According to GB4653-84 coating of the present invention is detected knot by national infrared product quality supervision and test test center Fruit shows that Coating Method of the present invention is higher than the like product level to total emissivity 0.89; Being coated with material samples from room temperature Be heated to set point of temperature, be cooled to again room temperature five times repeatedly, the range estimation no efflorescence in surface, no bubbling, flawless, Illustrate that coating cold-hot alternation is functional.
According to operating position, coating of the present invention has provided than intense radiation intensity, at 130-150 between 80-85 ℃ Under ℃ temperature, radiation intensity is maximum closely. Take vacuum tubing as example, coating is used to have no in 2 years and is come off now Resemble. Aspect energy-conservation, take grain heat-drying as example, energy-saving efficiency reaches more than 27%.
The contained composition of this product is nontoxic, harmless, "dead" in addition, can be widely used in the high product of sanitary standard The baking, to product to per capita nonhazardous; Only need apply during use and get final product, easy to operate; Because than low heat Under the temperature, namely provide better or near maximum radiant intensity, therefore, the binding agent range of choice is wide, and is multiple organic Binding agent all can use.
Further specify the present invention below by embodiment
Embodiment 1, and a kind of infrared radiation heating baking coatings contains weight percent Fe
2O
364%, Cr
2O
314%, MnO
26%, TiO
28%, MgO3%, SiO
22%, CoO1.5%, Al
2O
31.5% and the Sodium hexametaphosphate 99 of aforementioned formula amount 2%, Sodium hexametaphosphate 99 is intended to reduce oxide compound polarity, reduces and even eliminates the phenomenon that hardens.Above-mentioned raw materials is carried out heat drying respectively in baking oven, kept respectively 2 hours, 4 hours, 4 hours at 80 ℃, 120 ℃, 180 ℃, move to then and be cooled in the loft drier below 40 ℃ from room temperature.Ground 32 hours by sealing in the proportioning adding shredder, mixture is crossed 240 order sub-sieves, screenings 2.4%.The product branch is wrapped in the double-layer plastic bag.Product basis is to total emissivity 0.89, and the radiating capacity spectrogram is seen Fig. 1 relatively, and anti-alternation performance is qualified.
Embodiment 2, and a kind of infrared radiation heating baking coatings contains weight percent Fe
2O
366%, Cr
2O
314%, MnO
26%, TiO
26%, MgO3%, SiO
22%, CoO1.5%, Al
2O
31.5%.Above-mentioned raw materials heating 4 hours in baking is stupid under 120 ℃ of conditions, is cooled to below 40 ℃ naturally.Add in the ball mill by proportioning, add the water glass of the modulus 3.2 of oxide aggregate 80% again, ground 28 hours, make soup compound, the product branch is wrapped in the double thickness plastics bag.Product leaves standstill 120 minutes no demixing phenomenons naturally.Product basis is to total emissivity 0.89, and the radiating capacity spectrogram is seen Fig. 2 relatively, and anti-alternation performance is qualified.
Claims (7)
1, a kind of infrared radiation heating baking coatings comprises Fe
2O
3, the present invention is characterised in that, also contains Cr
2O
3, MnO
2
2, coating as claimed in claim 1 is characterized in that, contains CoO, TiO
2
3, coating as claimed in claim 2 is characterized in that, weight percentage is:
Fe
2O
3?57-70％、Cr
2O
3?12-24％、MnO
2?5-9％、
CoO?1.5-2.5％、TiO
2?6-11％、MgO?2-4％、
SiO
2?1.5-4％、Al
2O
3?1-2.5％。
4, as claim 1,2,3 described coating, it is characterized in that, contain the dispersion agents such as Sodium hexametaphosphate 99 that account for oxide compound gross weight 1-5%.
5, as claim 1,2,3 described coating, it is characterized in that, contain the binding agents such as water glass that account for oxide compound gross weight 60-120%.
6, the production method of the described coating of claim 4, the present invention is characterised in that, the oxide compound behind the formula ratio drying and dewatering and dispersion agent are added more than ball mill grinding to 240 order.
7, the production method of the described coating of claim 5, the present invention is characterised in that, binding agents such as oxide compound behind the formula ratio drying and dewatering and water glass were added ball mill grinding more than 28 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99103712 CN1111570C (en) | 1999-03-02 | 1999-03-02 | Infrared radiation heating baking coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99103712 CN1111570C (en) | 1999-03-02 | 1999-03-02 | Infrared radiation heating baking coatings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1242398A true CN1242398A (en) | 2000-01-26 |
| CN1111570C CN1111570C (en) | 2003-06-18 |
Family
ID=5271384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99103712 Expired - Fee Related CN1111570C (en) | 1999-03-02 | 1999-03-02 | Infrared radiation heating baking coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1111570C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357365C (en) * | 2006-03-30 | 2007-12-26 | 上海大学 | Process for preparing high infrared radiance energy saving paint |
| CN102153895A (en) * | 2011-05-24 | 2011-08-17 | 扬中市荣达电器设备有限公司 | Far infrared coating for far infrared heater |
| CN106084915A (en) * | 2016-06-23 | 2016-11-09 | 袁春华 | A kind of preparation method of infrared radiation coating |
-
1999
- 1999-03-02 CN CN 99103712 patent/CN1111570C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100357365C (en) * | 2006-03-30 | 2007-12-26 | 上海大学 | Process for preparing high infrared radiance energy saving paint |
| CN102153895A (en) * | 2011-05-24 | 2011-08-17 | 扬中市荣达电器设备有限公司 | Far infrared coating for far infrared heater |
| CN106084915A (en) * | 2016-06-23 | 2016-11-09 | 袁春华 | A kind of preparation method of infrared radiation coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1111570C (en) | 2003-06-18 |
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