CN1083653A - Rare earth doped Electric radiant Heating Film and technology thereof - Google Patents
Rare earth doped Electric radiant Heating Film and technology thereof Download PDFInfo
- Publication number
- CN1083653A CN1083653A CN 92109620 CN92109620A CN1083653A CN 1083653 A CN1083653 A CN 1083653A CN 92109620 CN92109620 CN 92109620 CN 92109620 A CN92109620 A CN 92109620A CN 1083653 A CN1083653 A CN 1083653A
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- CN
- China
- Prior art keywords
- heating film
- electric radiant
- radiant heating
- recl
- rare earth
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- Surface Treatment Of Glass (AREA)
- Chemically Coating (AREA)
- Resistance Heating (AREA)
Abstract
The invention provides a kind of transparent electric heating film and manufacture craft thereof of mixing rare earth, it is by containing Sncl
4, Sbcl
3And Recl
3Spraying filming liquid be ejected into by carrier gas on the filming element of heating and form.
Description
The present invention relates to the electrothermal film technology field, particularly relevant with rare earth doped tin ash Electric radiant Heating Film.
For extremely, in the electrothermal film technology field, four kinds of electric heating film bodies are arranged generally: (one) paint-type electric heating film so far; (2) titanium nitride electrothermal film; (3) conducting polymer composite material; (4) doped-semiconductor electrothermal film.Described these four kinds of Electric radiant Heating Film all have its defective, and are various as the paint-type electric heating film processing step, pass through processes such as batching → batch mixing → roasting (1300 ℃) → pulverizing → ball milling → sieve.And lead tolerance height in the coating materials.Resistance to wear is also poor, can wipe with hand.Titanium nitride type Electric radiant Heating Film generally is magnetic control sputtering plating or hallow cathode deposition, HCD technology, the equipment complexity, involve great expense, doped-semiconductor electrothermal film (as CN88108194) is although chemical stability increases, but can't reach certain specific (special) requirements, there are its limitation in the thermal stability of this Electric radiant Heating Film and life-span in addition.
In view of this, the inventor has invented the Electric radiant Heating Film and the manufacture craft thereof that are mixed with trace rare-earth through some tests, is purpose of the present invention.
Rare earth doped Electric radiant Heating Film of the present invention is the transparent tin ash Electric radiant Heating Film that is mixed with trace rare-earth.
Rare earth doped Electric radiant Heating Film of the present invention is that the spray pyrolysis depositing operation by spraying filming liquid generates layer oxide film on the heating element surface.These elements can be enamel, pottery, and mica, glass etc. need calandria.
Metal in the spraying filming liquid of the present invention exists with its chloride form, i.e. Sncl
4, Sbcl
3And Recl
3Recl
3Can be single rare earth-iron-boron, and can be two or more compound rare-earth chlorides, single rare earth-iron-boron better be the lanthanide series metal chloride, preferably answers lanthanum rare earth La cl
3The compound rare-earth chloride is good with the lanthanide series metal compound, is preferably Ldcl
3, Cecl
3, Prcl
3And Ndcl
3Compound, they can be buied from the commercial goods.
Spraying filming liquid of the present invention is by Sncl
4, Sbcl
3, Recl
3And solvent composition, described solvent is lower alkyl alcohol (containing 1-4 carbon atom) and hydrochloric acid.Above-mentioned metal chloride and solvent stirred promptly get spraying filming liquid of the present invention.
In the above-mentioned spraying filming liquid, Sncl
4, Sbcl
3And Recl
3The shared percentage by weight of three is respectively 93.5-97%, and 1.5-6.45% and 0.05-1.5%(do not comprise solvent).
Preferably ethanol and glycerol of solvent lower alkyl alcohol in the spraying filming liquid.
The rare earth doped transparent electric heating membrane process of the present invention is achieved in that the element with desire processing places heating furnace, the control temperature at 560 ℃ of-810 ℃ of pressure at 1-6kg/cm
2Under the condition, spraying filming liquid is executed film 1-60 second with the spray pyrolysis depositing operation, can obtain 0.2-0.7 μ m thick mix the rare earth Electric radiant Heating Film.
The rare earth transparent electric heating film heat efficiency of mixing that makes with technology of the present invention and prescription is 80-90%, visible light transmissivity 60-95%.And Electric radiant Heating Film acid and alkali-resistance of the present invention, resistance to corrosion is strong, and thermal stability is good, at 700 ℃ of left and right sides cooking performance no changes.
The invention will be further described below in conjunction with embodiment:
Embodiment 1
Get 500 gram Sncl
4, and the dissolving of 500ml ethanol, simultaneously with 100ml ethanol and 100ml glycerol dissolving 8 gram Sbcl
3, 1ml hydrochloric acid is with the Lacl of 0.5 gram
3Dissolving promptly gets spraying filming liquid with the said components mixing and stirring.
Quartz glass is heated to 650 ℃ of-750 ℃ of controls executes film pressure in heating furnace at 3kg/cm
2About, be coated with 5-15 second with above-mentioned spraying filming liquid, can make thickness on quartz glass is the Electric radiant Heating Film that 0.2-0.7 μ m mixes rare earth.
Embodiment 2
Sncl
4, Sbcl
3Weight and solvent with embodiment 1, in addition with the LaCl of 1ml dissolving with hydrochloric acid 0.6g
3, Cecl
3, Prcl
3And Ndcl
3Compound (commercially available), said components mixed obtains spraying filming liquid.
On pottery, make the rare earth transparent electric heating film of mixing of the present invention with embodiment 1 same process.
Claims (8)
1, a kind of rare earth Electric radiant Heating Film of mixing is characterized in that and will contain Sncl
4, Sbcl
3And Recl
3Spraying filming liquid be ejected on the filming element of heating the tin ash Electric radiant Heating Film that the one deck that generates on its surface is mixed rare earth by carrier gas.
2,, it is characterized in that ReCl wherein according to the Electric radiant Heating Film of claim 1
3Be LaCl
3
3,, it is characterized in that Recl wherein according to the Electric radiant Heating Film of claim 1
3Be Lacl
3, Cecl
3, Prcl
3And Ndcl
3Compound.
4, a kind of method of production claim 1 Electric radiant Heating Film is characterized in that filming element being heated to 560-810 ℃ in heating furnace, controlled pressure 1-6kg/cm
2, spraying filming liquid is sprayed at element surface 1-60 second.
5,, it is characterized in that spraying filming liquid is by Sncl according to the method for claim 4
4, Sbcl
3, Recl
3, and solvent composition, solvent is low-grade alkane alcohol and hydrochloric acid.
6,, it is characterized in that low-grade alkane alcohol wherein is ethanol and glycerol according to the method for claim 5.
7,, it is characterized in that Recl wherein according to the method for claim 5
3Be Lacl
3
8,, it is characterized in that Recl wherein according to the method for claim 5
3Be Lacl
3, Cecl
3, Prcl
3NdCl
3Compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109620 CN1030367C (en) | 1992-09-01 | 1992-09-01 | Method for making electrothermal doped rare-earth element film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109620 CN1030367C (en) | 1992-09-01 | 1992-09-01 | Method for making electrothermal doped rare-earth element film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1083653A true CN1083653A (en) | 1994-03-09 |
| CN1030367C CN1030367C (en) | 1995-11-22 |
Family
ID=4944248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92109620 Expired - Fee Related CN1030367C (en) | 1992-09-01 | 1992-09-01 | Method for making electrothermal doped rare-earth element film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030367C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131316A (en) * | 2010-09-28 | 2011-07-20 | 施吉承 | Formula of conductive film solution of electrothermal film heating tube |
| CN102843793A (en) * | 2011-06-24 | 2012-12-26 | 北京万众光通科技发展有限公司 | Electrothermal conversion body coating formula and application method |
-
1992
- 1992-09-01 CN CN 92109620 patent/CN1030367C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131316A (en) * | 2010-09-28 | 2011-07-20 | 施吉承 | Formula of conductive film solution of electrothermal film heating tube |
| CN102131316B (en) * | 2010-09-28 | 2013-03-06 | 施吉承 | Formula of conductive film solution of electrothermal film heating tube |
| CN102843793A (en) * | 2011-06-24 | 2012-12-26 | 北京万众光通科技发展有限公司 | Electrothermal conversion body coating formula and application method |
| CN102843793B (en) * | 2011-06-24 | 2015-05-20 | 北京万众光通科技发展有限公司 | Electrothermal conversion body coating formula and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1030367C (en) | 1995-11-22 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: MUDANJIANG HIGH + NEW TECH. DEVELOPMENT INST. TO: LI XIUZHI |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Li Xiuzhi Patentee before: High New Technology Development Research Inst., Mudanjiang City |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
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Addressee: Li Xiuzhi Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |