CN113698801B - Boride-based infrared coating and preparation method and application thereof - Google Patents
Boride-based infrared coating and preparation method and application thereof Download PDFInfo
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- CN113698801B CN113698801B CN202111037114.XA CN202111037114A CN113698801B CN 113698801 B CN113698801 B CN 113698801B CN 202111037114 A CN202111037114 A CN 202111037114A CN 113698801 B CN113698801 B CN 113698801B
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- 238000000576 coating method Methods 0.000 title claims abstract description 57
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims abstract description 21
- 241000208125 Nicotiana Species 0.000 claims abstract description 20
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 20
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 12
- 229910003682 SiB6 Inorganic materials 0.000 claims description 8
- 229910033181 TiB2 Inorganic materials 0.000 claims description 8
- 229910025794 LaB6 Inorganic materials 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 5
- 229910003862 HfB2 Inorganic materials 0.000 claims description 5
- 229910007948 ZrB2 Inorganic materials 0.000 claims description 5
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 3
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052810 boron oxide Inorganic materials 0.000 claims description 2
- 230000001680 brushing effect Effects 0.000 claims description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical group O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000005696 Diammonium phosphate Substances 0.000 claims 2
- 229910000397 disodium phosphate Inorganic materials 0.000 claims 2
- 235000019800 disodium phosphate Nutrition 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 239000001488 sodium phosphate Substances 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 28
- 230000004044 response Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000227 grinding Methods 0.000 description 10
- 238000005485 electric heating Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000007966 viscous suspension Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000391 smoking effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 235000019505 tobacco product Nutrition 0.000 description 4
- 230000003578 releasing effect Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the field of tobacco heating, in particular to a boride-based infrared coating and a preparation method and application thereof. The boride-based infrared coating takes boride infrared radiation materials as raw materials, and the preparation method is simple and easy to implement and low in price; the infrared coating is coated on the surface of a heating body to form a high-efficiency infrared coating with excellent infrared radiation performance, and the prepared infrared coating has the infrared emissivity of 3-5 mu m wave band of 0.943-0.979 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is between 0.955-0.986 at 300 ℃. The emissivity is high in the range of the tobacco heating temperature and the range of the tobacco infrared response wave band, so that the tobacco is uniformly heated through infrared radiation, and the heating efficiency is improved.
Description
Technical Field
The invention relates to the field of tobacco heating, in particular to boride-based infrared coating and a preparation method and application thereof.
Background
The heating non-combustion tobacco products are novel tobacco products which generate smoke releasing effect by heating different forms of tobacco materials, begin in the 80's of the 20 th century, and are one of the important categories of the novel tobacco products. The mode of 'heating without burning' enables the tobacco to be heated only at a lower temperature (generally lower than 500 ℃), thereby avoiding the generation of tar and a large amount of harmful compounds caused by the high-temperature burning of the tobacco, and because the side-stream smoke is basically not generated, the second-hand smoke is not generated, and the public environment is not influenced.
The heating of a non-combustible smoking article is typically achieved by physically separating the tobacco from the heat source, and therefore the quality of the heat supplied by the heat source will directly affect the smoking experience of the product. The existing electric heating non-combustible smoking set mainly adopts an electric heating mode, a heating body is arranged in a heating cavity of the smoking set, and a smoke releasing material is heated by utilizing a resistance heating principle. However, the heating mode with the structure has large heat loss in the transmission process and low heating efficiency, so that the heating center temperature and the edge temperature are different, and the smoke releasing material is heated unevenly.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a boride-based infrared coating as well as a preparation method and application thereof. The infrared coating is coated on the surface of a heating body to form a high-efficiency infrared coating, and the emissivity is high in the range of tobacco heating temperature and the range of tobacco infrared response wave bands, so that the tobacco is uniformly heated through infrared radiation, and the heating efficiency is improved.
Infrared radiation heating does not need a transfer medium, has high heat transfer efficiency, can penetrate the surface of a heated body to a certain extent, realizes the simultaneous heating of the inside and the outside of a substance, and is an effective means for improving the heating efficiency of the heated body, reducing the temperature gradient of the heated body and saving energy consumption.
In order to realize the purpose, the invention adopts the following technical scheme:
in one aspect, the invention discloses a boride-based infrared coating, comprising, in weight percent, 70-85wt% of a boride infrared radiating material and 4-10wt% of an additive;
wherein the boride infrared radiation material is LaB6、CaB6、TiB2、ZrB2、HfB2、SiB6One or more of (a).
Further, the additive is boron oxide.
Further, the coating also comprises 5-20wt% of a binder.
Further, the adhesive is one or more of bentonite, water glass, silica sol and aluminum sol.
On the other hand, the invention also provides a preparation method of the boride-based infrared coating, which comprises the following steps: according to the weight percentage, 70-85wt% of boride infrared radiation material, 5-20wt% of adhesive and 4-10wt% of additive are mixed, and the mixture is stirred to obtain colloidal sticky matter, namely the boride-based infrared coating.
Further, 1-3wt% of diammonium hydrogen phosphate or disodium hydrogen phosphate is added in the preparation process.
In a further aspect, the invention also provides the use of a boride-based infrared coating in the manufacture of a tobacco heater that does not burn upon heating.
Further, the use comprises applying the boride based infrared coating to the surface of an electrical heater.
Further, the application is performed in the form of a surface coating.
Further, the coating process is one of spraying, brushing and soaking.
Compared with the prior art, the invention has the beneficial effects that:
the boride-based infrared coating takes boride infrared radiation materials as raw materials, and the preparation method is simple and easy to implement and low in price; the infrared coating is coated on the surface of a heating body to form a high-efficiency infrared coating with excellent infrared radiation performance, and the prepared infrared coating has the infrared emissivity of 3-5 mu m wave band of 0.943-0.979 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is between 0.955-0.986 at 300 ℃. The emissivity is high in the range of the tobacco heating temperature and the range of the tobacco infrared response wave band, so that the tobacco is uniformly heated through infrared radiation, and the heating efficiency is improved.
Detailed Description
The present invention will be described in further detail with reference to preferred embodiments, which are not intended to limit the scope of the present invention.
Example 1
Preparation and application of boride-based infrared coating
(1) According to the weight percentage, LaB is added650wt%，TiB210wt% and SiB6Mixing 40wt% of grinding balls to obtain a boride infrared radiation material;
(2) selecting 85wt% boride infrared radiation material and 1wt% Na2HPO310wt% of aqueous silica sol solution (mass fraction of silica sol: 45%) and 4wt% of B2O3Stirring the mixture in a dispersion and grinding integrated machine to prepare viscous suspension fluid to obtain boride-based infrared coating;
(3) the obtained coating is sprayed on the surface of an electric heating body, and the boride-based infrared coating can be obtained after drying for 50 minutes at 80 ℃.
The infrared coating prepared by the embodiment is tested by a dual-band emissivity tester, and the infrared emissivity of a 3-5 mu m band is 0.971 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is 0.986 at 300 ℃.
Example 2
Preparation and application of boride-based infrared coating
(1) Mixing 25wt% of LaB625% wt of CaB610% wt of TiB2And 40% wt of SiB6Mixing the grinding balls to obtain a boride infrared radiation material;
(2) taking 70wt% of boride infrared radiation material and 4wt% of (NH)4)2HPO320wt% of silica sol aqueous solution (mass fraction of silica sol is 45%) and 6wt% of B2O3Stirring the mixture in a dispersion and grinding integrated machine to prepare viscous suspension fluid to obtain boride-based infrared coating;
(3) the obtained coating is brushed on the surface of an electric heating body and dried for 50 minutes at 80 ℃ to obtain the boride-based infrared coating.
The infrared coating prepared by the embodiment is tested by a dual-band emissivity tester, and the infrared emissivity of a 3-5 mu m band is 0.979 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is 0.981 at the temperature of 300 ℃.
Example 3
Preparation and application of boride-based infrared coating
(1) 16.67wt% of LaB6，CaB6，TiB2、ZrB2、HfB2And SiB6Mixing the grinding balls to obtain a boride infrared radiation material;
(2) taking 70wt% of boride infrared radiation material and 4wt% of Na2HPO320wt% of silica sol aqueous solution (mass fraction of silica sol is 45%) and 6wt% of B2O3Stirring in a dispersion and grinding integrated machine to prepare viscous suspension fluid to obtain the boride-based infrared coating；
(3) The obtained coating is sprayed on the surface of an electric heating body and dried for 50 minutes at 80 ℃ to obtain the boride-based infrared coating.
The infrared coating prepared by the embodiment is tested by a dual-band emissivity tester, and the infrared emissivity of a 3-5 mu m band is 0.943 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is 0.955 at the temperature of 300 ℃.
Example 4
Preparation and application of boride-based infrared coating
(1) 16.67wt% of LaB6，CaB6，TiB2、ZrB2、HfB2And SiB6Mixing the grinding balls to obtain a boride infrared radiation material;
(2) taking 75wt% of boride infrared radiation material and 3wt% of Na2HPO315wt% of aqueous silica sol solution (mass fraction of silica sol: 45%) and 7wt% of B2O3Stirring the mixture in a dispersion and grinding integrated machine to prepare viscous suspension fluid to obtain boride-based infrared coating;
(3) and infiltrating the obtained coating on the surface of the electric heating body, and drying for 50 minutes at 80 ℃ to obtain the boride-based infrared coating.
The infrared coating prepared by the embodiment is tested by a dual-waveband emissivity tester, and the infrared emissivity of a waveband of 3-5 mu m is 0.952 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is 0.975 at 300 ℃.
Example 5
Preparation and application of boride-based infrared coating
(1) 16.67wt% of LaB6，CaB6，TiB2、ZrB2、HfB2And SiB6Mixing the grinding balls to obtain a boride infrared radiation material;
(2) taking 80wt% of boride infrared radiation material and 2wt% of Na2HPO312wt% of aqueous silica sol solution (mass fraction of silica sol: 45%) and 6wt% of B2O3Put into dispersionStirring in the grinding all-in-one machine to prepare viscous suspension fluid to obtain boride-based infrared coating;
(3) the obtained coating is sprayed on the surface of an electric heating body and dried for 50 minutes at 80 ℃ to obtain the boride-based infrared coating.
The infrared coating prepared by the embodiment is tested by a dual-waveband emissivity tester, and the infrared emissivity of a waveband of 3-5 mu m is 0.968 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is 0.980 at 300 ℃.
From the results of examples 1 to 5, it was confirmed that the boride-based infrared paint of the present invention has an infrared emissivity in the 3 to 5 μm band of 0.943 to 0.979 at 25 ℃; the infrared emissivity of the wave band of 3-5 mu m is between 0.955-0.986 at 300 ℃; the emissivity is high in the range of tobacco heating temperature and the range of tobacco infrared response wave bands, the advantages of high heating speed and uniform heating are achieved, and the requirement of a heater for heating non-burning tobacco products can be effectively met.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are all within the protection scope of the present invention.
It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, any combination of the various embodiments of the present invention can be made, and the same should be considered as the disclosure of the present invention as long as the idea of the present invention is not violated.
Claims (6)
1. A boride-based infrared coating is used for preparing a tobacco heater which does not burn smoke when heated, and comprises 70-85wt% of boride infrared radiating material, 4-10wt% of additive, 5-20wt% of adhesive and 1-3wt% of diammonium phosphate or disodium phosphate;
wherein the boride infrared radiating material comprises 25wt% LaB625wt% of CaB610wt% of TiB2And 40wt% of SiB6(ii) a Or 16.67wt% LaB6、CaB6、TiB2、ZrB2、HfB2And SiB6(ii) a The additive is boron oxide.
2. The boride-based infrared coating of claim 1 wherein the binder is one or more of bentonite, water glass, silica sol, alumina sol.
3. The method for preparing the boride-based infrared coating according to claim 1, wherein 70-85wt% of boride infrared radiation material, 5-20wt% of binder, 4-10wt% of additive and 1-3wt% of diammonium phosphate or disodium phosphate are mixed according to weight percentage, and a colloidal sticky substance is obtained after stirring, namely the boride-based infrared coating.
4. The boride-based infrared coating of claim 1 wherein the boride-based infrared coating is applied to an electrical heater surface to provide the heated non-combustible tobacco heater.
5. A boride-based infrared coating according to claim 4 wherein said application is by way of surface coating.
6. The boride-based infrared coating of claim 5 wherein the application process is one of spraying, brushing and dipping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037114.XA CN113698801B (en) | 2021-09-06 | 2021-09-06 | Boride-based infrared coating and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037114.XA CN113698801B (en) | 2021-09-06 | 2021-09-06 | Boride-based infrared coating and preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN113698801A CN113698801A (en) | 2021-11-26 |
| CN113698801B true CN113698801B (en) | 2022-07-12 |
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| CN116768651A (en) * | 2023-06-26 | 2023-09-19 | 湖北中烟工业有限责任公司 | Glaze, heating element, preparation method thereof and heating smoking set |
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| US4019520A (en) * | 1974-11-25 | 1977-04-26 | Brown & Williamson Tobacco Corporation | Tobacco substitute containing boric oxide, boron oxyacids, and ammonium, alkali metal, or alkaline earth metal salts of boron oxyacids |
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| JP2009096952A (en) * | 2007-10-19 | 2009-05-07 | Sumitomo Metal Mining Co Ltd | Infrared shielding film-forming coating material and infrared shielded product |
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