CN103555067A - Conductive ink for regulating power as well as preparation method and application of conductive ink - Google Patents
Conductive ink for regulating power as well as preparation method and application of conductive ink Download PDFInfo
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- CN103555067A CN103555067A CN201310504189.3A CN201310504189A CN103555067A CN 103555067 A CN103555067 A CN 103555067A CN 201310504189 A CN201310504189 A CN 201310504189A CN 103555067 A CN103555067 A CN 103555067A
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- regulating power
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 229920000098 polyolefin Polymers 0.000 claims abstract description 4
- 239000002904 solvent Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 16
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000006229 carbon black Substances 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000003595 mist Substances 0.000 claims description 10
- 239000005060 rubber Substances 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 claims description 6
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920001897 terpolymer Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 150000002576 ketones Chemical class 0.000 claims description 5
- 150000002632 lipids Chemical class 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 3
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229920013649 Paracril Polymers 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 2
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 2
- 239000005043 ethylene-methyl acrylate Substances 0.000 claims description 2
- 229920002681 hypalon Polymers 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims 1
- 239000000976 ink Substances 0.000 description 41
- 229920001903 high density polyethylene Polymers 0.000 description 8
- 239000004700 high-density polyethylene Substances 0.000 description 8
- 238000013508 migration Methods 0.000 description 6
- 230000005012 migration Effects 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Conductive Materials (AREA)
Abstract
The invention relates to a conductive ink for regulating power as well as a preparation method and application of the conductive ink. The conductive ink comprises the following components in percentage by mass: 4-50% of conductive material, 8-30% of polyolefin jointing material, 40-86% of organic solvent and 2-15 parts of auxiliary material. The conductive ink for regulating power has the advantages of PTC (Positive Temperature Coefficient) function, automatic constant temperature, cost reduction because of temperature control element reduction, energy saving and the like.
Description
[technical field]
The invention belongs to ink class material technology field, be specifically related to electrically conductive ink of a kind of regulating power and its preparation method and application.
[background technology]
Electrically conductive ink is a kind of specialty inks with conductivity, by electrically conductive particles (silver, copper, carbon etc.), is dispersed in a kind of conductive composite material forming in binder, is printed onto after fixing film forming on stock, plays due effect.Electrically conductive ink is that a kind of important electronic material ， China has huge market.
Wherein, the electrical heating element that the electrically conductive ink of capable of regulating power is made has with temperature rising and automatically improves resistance, reduce electric current, reduce the function of power, belong to positive temperature coefficient functional materials (being PTC functional materials), possess the material of PTC performance, can greatly improve the temperature homogeneity of heating element, can quick at low temperatures high-power heating, when reaching design temperature, can reduce to greatest extent power.Therefore the ink that possesses PTC function has automatic constant-temperature function because of it, reduce temperature control component and saved equipment cost, and possess the advantages such as energy-conservation, for the research of the electrically conductive ink of regulating power, also become the emphasis research topic of many heating element manufacturers and many scientific research institutions, but the electrically conductive ink of the regulating power obtaining at present still cannot produce good effect.
In view of this, need to invent a kind of electrically conductive ink of regulating power, possess the advantages such as manufacture craft is simple.
[summary of the invention]
Technical problem to be solved by this invention is to provide that a kind of printing performance is good, the electrically conductive ink of the regulating power of good stability, the preparation method of the electrically conductive ink of this regulating power is also provided accordingly, and the electrically conductive ink of this regulating power is at heating device for reference mirror of car, automobile seat heating device, Electric radiant Heating Film, ground hotting mask, and need to be printed on the application in the product that plays heat effect on other objects or use and so on as temperature sensor.
For solving the problems of the technologies described above, one aspect of the present invention provides a kind of electrically conductive ink of regulating power, and the technical scheme of specifically taking is as follows:
A kind of electrically conductive ink of regulating power comprises the component of following massfraction:
As a further improvement on the present invention, described electro-conductive material is selected from carbon black, Graphite Powder 99, metal powder, metal oxide.
As a further improvement on the present invention, described connecting material is selected from polyethylene, polyvinylidene difluoride (PVDF), ethylene-vinyl acetate copolymer, ethylene-methyl acrylate multipolymer, ethylene methacrylic acid methyl terpolymer, ethylene acrylic acid co polymer, ethylene-ethyl acrylate copolymer a kind of or one or more.
As a further improvement on the present invention, described organic solvent aromatic hydrocarbon solvent, optionally adds ketones solvent or lipid solvent, the toluene that described aromatic hydrocarbon solvent can be selected from, dimethylbenzene, petroleum naphtha, gasoline, kautschin, naphthalane, naphthane; If described interpolation ketones solvent can be selected from acetone, butanone, pimelinketone, ratio alkane ketone; Described lipid solvent can be selected from methyl acetate, ethyl acetate, 2-Butoxyethyl acetate.
As a further improvement on the present invention, described subsidiary material can be selected from Hypalon, styrene-butadiene rubber(SBR), one or more of terpolymer EP rubber and paracril.
As a further improvement on the present invention, described subsidiary material also comprise rubber ingredients.
The present invention provides a kind of preparation method of electrically conductive ink of above-mentioned regulating power on the other hand, and it specifically comprises the following steps:
(1) electro-conductive material and polyolefins connecting material are mixed to high temperature granulation;
(2) by the resulting particle of step (1), through cross-linking radiation; Particle after crosslinked is pulverized, obtained micro mist;
(3) the resulting micro mist of step (2) is put in organic solvent, be heated to 100-350 (can according to material different choice suitable temp), stirring and dissolving, cooling 24-72 hour, obtains electroconductive paste;
(4) with organic solvent, subsidiary material are dissolved, add the resulting electroconductive paste of step (3), mix, form electrically conductive ink.
As a further improvement on the present invention, also comprise the runner milling ink of milling for step (5).
As a further improvement on the present invention, the particle diameter of described step (2) micro mist is 0.2-200 μ m.
As a further improvement on the present invention, the pulverizing in described step (2) is for being first crushed to below median size 1mm with pulverizer, then pulverizes with micronizer mill.
Last aspect of the present invention provides a kind of electrically conductive ink of above-mentioned regulating power for heating device for reference mirror of car, automobile seat heating device, Electric radiant Heating Film, ground hotting mask, and need to be printed on the purposes in the product that plays heat effect on other objects or use and so on as temperature sensor.
In the present invention, organic solvent can be the solvent of a kind of solvent or multi-solvents composition, as the toluene of aromatic hydrocarbons, dimethylbenzene, petroleum naphtha, gasoline, kautschin, naphthalane, naphthane etc., also can add ketones solvent, as: if acetone, butanone, pimelinketone, ratio alkane ketone etc. can add a small amount of lipid solvent as methyl acetate, ethyl acetate, 2-Butoxyethyl acetate etc. simultaneously.
Electro-conductive material can as metal powder, carbon dust, metal oxide etc., wherein most preferably have the carbon black of high electrical conductivity energy for the conventional electro-conductive material in electrically conductive ink field, as Cabot VXC72, or Graphite Powder 99.
Polyolefins connecting material can be selected polyethylene, ethylene acrylic acid co polymer or vinylidene etc.Cross-linking radiation can prevent the migration of electro-conductive material.If electro-conductive material migration will make product at high low temperature circulation time, there is expendable variation in electroconductibility.
In the present invention, the particle after being cross-linked is preferably crushed to 0.2-200 μ m, can accelerate dissolution form conduction electricity paste.
In the present invention, add subsidiary material, the organic solvent that increases rubber is stuck with paste, and can increase like this viscosity and the thixotropy of ink, makes ink can adapt to silk screen printing.In subsidiary material, can also add rubber ingredients, guarantee the stability of the character of electrically conductive ink of the present invention.
Compared with prior art, the beneficial effect that the present invention obtains is:
The electrically conductive ink of regulating power provided by the present invention, has PTC function, can automatic constant-temperature, reduced temperature control component and cost-saving, the advantage such as energy-conservation.
The present invention is preferred, can adopt macromolecular material, using graphitized carbon black as conductive carrier, using aromatic hydrocarbon solvent as solvent, the PTC electrically conductive ink of preparation is applicable to silk screen printing, the product made from the present invention, particularly rear vision mirror heating unit, has-50 ℃ of-90 ℃ of temperature alternatings 20,000 times, the good characteristic that the 5000 hours products of switching on continuously still can work, can be applied under harsh environment, and energy guaranteed performance is stable.
The method of preparing electrically conductive ink provided by the invention is simple, is applicable to suitability for industrialized production.
[embodiment]
Below in conjunction with specific embodiment, the present invention is described in more detail.
Embodiment 1
An electrically conductive ink for regulating power, comprises following component:
The preparation method of the electrically conductive ink of regulating power is as follows:
1, the carbon black of high conductivity is sneaked in the high density polyethylene(HDPE) of high crystalline to granulation after 200 ℃ of high temperature fully mix.
2, the particle of making is crosslinked through nuclear radiation, carbon black and high density polyethylene(HDPE) can be firmly cross-linked, prevent carbon black migration.If carbon black migration will make product at high low temperature circulation time, there is expendable variation in electroconductibility.
3, the particle after crosslinked is pulverized with pulverizer, reached median size below 1 millimeter.
4, by reaching 1 millimeter of following particle of median size, with micronizer mill, be crushed to 0.2-200 micron.
5, the mixed solvent of the micro mist after pulverizing being put into dimethylbenzene, acetone and 2-Butoxyethyl acetate is heated to 120 ℃, with stirrer, slowly stirs, and micro mist is dissolved, and is then positioned under normal temperature cooling 48 hours, has so just formed conductive paste.
6, terpolymer EP rubber is dissolved into pasty state through dimethylbenzene agent, adds rubber ingredients sulphur, then add aforesaid conductive paste, be mixed to get ink.
7, with the runner milling ink of milling, make ink not exist large particle to filter through filter.
Embodiment 2
An electrically conductive ink for regulating power, comprises following component:
The preparation method of the electrically conductive ink of regulating power is as follows:
1, the carbon black of high conductivity is sneaked in the high density polyethylene(HDPE) of high crystalline to granulation after 200 ℃ of high temperature fully mix.
2, the particle of making is crosslinked through nuclear radiation, carbon black and high density polyethylene(HDPE) can be firmly cross-linked, prevent carbon black migration.If carbon black migration will make product at high low temperature circulation time, there is expendable variation in electroconductibility.
3, the particle after crosslinked is pulverized with pulverizer, reached median size below 1 millimeter.
4, by reaching 1 millimeter of following particle of median size, with micronizer mill, be crushed to 0.2-200 micron.
5, the mixed solvent of the micro mist after pulverizing being put into dimethylbenzene and acetone is heated to 120 ℃, with stirrer, slowly stirs, and micro mist is dissolved, and is then positioned under normal temperature cooling 48 hours, has so just formed conductive paste.
6, terpolymer EP rubber is dissolved into pasty state through dimethylbenzene agent, adds rubber ingredients sulphur, then add aforesaid conductive paste, be mixed to get ink.
7, with the runner milling ink of milling, make ink not exist large particle to filter through filter.
Embodiment 3 test cases
Take PET as base material complex metal layer, then remove unnecessary part formation electrode with etch, between positive and negative electrode, distance is 4 millimeters, is and arranges inserting pectination, and printing embodiment 1 and 2 resulting ink thickness are 25 microns, drying test.
Test result is as follows:
The ink of embodiment 1 gained: in the time of-40 ℃, resistance is 9.6 Ω; In the time of 0 ℃, resistance is 10 Ω; In the time of 90 ℃, resistance is 125 Ω.Present significant ptc characteristics.Through-40 ℃-90 ℃ circulations 1000 times, resistance change 5%.Energising 12V5000 hour, resistance change 5%.
The ink of embodiment 2 gained: in the time of-40 ℃, resistance is 10.5 Ω; In the time of 0 ℃, resistance is 11 Ω; In the time of 90 ℃, resistance is 150 Ω.Present significant ptc characteristics.Through-40 ℃-90 ℃ circulations 1000 times, resistance change 5%.Energising 12V5000 hour, resistance change 5%.
Embodiment 4-6
Each embodiment prescription is as follows: preparation method is with embodiment 1
Conclusion, the electrically conductive ink of regulating power prepared by embodiment 4-6 all possess PTC performance.
The above embodiment is only the preferred embodiments of the present invention, and is not the exhaustive of the feasible enforcement of the present invention.For persons skilled in the art, any apparent change of under the prerequisite that does not deviate from the principle of the invention and spirit, it having been done, within all should being contemplated as falling with claim protection domain of the present invention.
Claims (10)
1. an electrically conductive ink for regulating power, is characterized in that: the component that comprises following massfraction:
2. the electrically conductive ink of a kind of regulating power as claimed in claim 1, is characterized in that: described electro-conductive material is selected from carbon black Graphite Powder 99, metal powder, metal oxide.
3. the electrically conductive ink of a kind of regulating power as claimed in claim 1, it is characterized in that: described connecting material is selected from polyethylene, polyvinylidene difluoride (PVDF), ethylene-vinyl acetate copolymer, ethylene-methyl acrylate multipolymer, ethylene methacrylic acid methyl terpolymer, ethylene acrylic acid co polymer, ethylene-ethyl acrylate copolymer a kind of or one or more.
4. the electrically conductive ink of a kind of regulating power as claimed in claim 1, it is characterized in that: described organic solvent is selected from aromatic hydrocarbon solvent, optional ketones solvent or lipid solvent, the toluene that described aromatic hydrocarbon solvent can be selected from, dimethylbenzene, petroleum naphtha, gasoline, kautschin, naphthalane, the naphthane of adding; If described interpolation ketones solvent can be selected from acetone, butanone, pimelinketone, ratio alkane ketone; Described lipid solvent can be selected from methyl acetate, ethyl acetate, 2-Butoxyethyl acetate.
5. the electrically conductive ink of a kind of regulating power as claimed in claim 1, is characterized in that: described subsidiary material can be selected from Hypalon, styrene-butadiene rubber(SBR), one or more of terpolymer EP rubber and paracril.
6. the electrically conductive ink of a kind of regulating power as claimed in claim 1, is characterized in that: described subsidiary material also comprise rubber ingredients.
7. a preparation method for the electrically conductive ink of regulating power as claimed in claim 1, is characterized in that: it specifically comprises the following steps:
(1) electro-conductive material and polyolefins connecting material are mixed to high temperature granulation;
(2) by the resulting particle of step (1), through cross-linking radiation; Particle after crosslinked is pulverized, obtained micro mist;
(3) the resulting micro mist of step (2) is put in organic solvent, be heated to 100-350 ℃, stirring and dissolving, cooling 24-72 hour, obtains electroconductive paste;
(4) with organic solvent, subsidiary material are dissolved, add the resulting electroconductive paste of step (3), mix, form electrically conductive ink.
8. the preparation method of the electrically conductive ink of a kind of regulating power as claimed in claim 7, is characterized in that: it also comprises the runner milling ink of milling for step (5).
9. the preparation method of the electrically conductive ink of a kind of regulating power as claimed in claim 7, is characterized in that: the particle diameter of described step (2) micro mist is 0.2-200 μ m.
10. the electrically conductive ink of a regulating power as claimed in claim 1 is for heating device for reference mirror of car, automobile seat heating device, Electric radiant Heating Film, ground hotting mask, and need to be printed on the purposes in the product that plays heat effect on other objects or use and so on as temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310504189.3A CN103555067B (en) | 2013-10-24 | 2013-10-24 | Electrically conductive ink of a kind of regulating power and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310504189.3A CN103555067B (en) | 2013-10-24 | 2013-10-24 | Electrically conductive ink of a kind of regulating power and its preparation method and application |
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| CN103555067A true CN103555067A (en) | 2014-02-05 |
| CN103555067B CN103555067B (en) | 2015-11-25 |
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Cited By (8)
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| CN103805066A (en) * | 2014-03-12 | 2014-05-21 | 黑龙江中惠地热股份有限公司 | Synthetic slurry with positive temperature characteristics |
| CN103965696A (en) * | 2014-05-22 | 2014-08-06 | 宁波市加一新材料有限公司 | Double temperature-control PTC (Positive Temperature Coefficient) conductive printing ink and preparation method thereof |
| CN104212244A (en) * | 2014-09-29 | 2014-12-17 | 广东东莞市天润电子材料有限公司 | Electrostatic dust collection ink and preparation method thereof |
| CN104449046A (en) * | 2014-12-09 | 2015-03-25 | 上海宥拓化学有限公司 | Conductive ink and application thereof |
| CN104497714A (en) * | 2014-12-09 | 2015-04-08 | 上海印钞有限公司 | Carving gravure ink with conductivity and anti-counterfeiting file printed by same |
| CN107722730A (en) * | 2017-09-28 | 2018-02-23 | 深圳市兴鸿昌电器有限公司 | A kind of PTC electrically conductive inks, its preparation method and use its heating pad for pets |
| CN110003719A (en) * | 2019-04-03 | 2019-07-12 | 新奥石墨烯技术有限公司 | Self limiting temperature electric heating ink and preparation method thereof, electric calorifie installation |
| CN110283497A (en) * | 2019-06-28 | 2019-09-27 | 深圳烯材科技有限公司 | A method of printing the silk-screened conductive ink of accurate self limiting temperature flexible electrothermal membrane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103805066A (en) * | 2014-03-12 | 2014-05-21 | 黑龙江中惠地热股份有限公司 | Synthetic slurry with positive temperature characteristics |
| CN103965696A (en) * | 2014-05-22 | 2014-08-06 | 宁波市加一新材料有限公司 | Double temperature-control PTC (Positive Temperature Coefficient) conductive printing ink and preparation method thereof |
| CN104212244A (en) * | 2014-09-29 | 2014-12-17 | 广东东莞市天润电子材料有限公司 | Electrostatic dust collection ink and preparation method thereof |
| CN104449046A (en) * | 2014-12-09 | 2015-03-25 | 上海宥拓化学有限公司 | Conductive ink and application thereof |
| CN104497714A (en) * | 2014-12-09 | 2015-04-08 | 上海印钞有限公司 | Carving gravure ink with conductivity and anti-counterfeiting file printed by same |
| CN104497714B (en) * | 2014-12-09 | 2017-06-13 | 上海印钞有限公司 | A kind of engraving intaglio printing ink of conductive energy and the security document printed by the ink |
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| CN107722730A (en) * | 2017-09-28 | 2018-02-23 | 深圳市兴鸿昌电器有限公司 | A kind of PTC electrically conductive inks, its preparation method and use its heating pad for pets |
| CN110003719A (en) * | 2019-04-03 | 2019-07-12 | 新奥石墨烯技术有限公司 | Self limiting temperature electric heating ink and preparation method thereof, electric calorifie installation |
| CN110283497A (en) * | 2019-06-28 | 2019-09-27 | 深圳烯材科技有限公司 | A method of printing the silk-screened conductive ink of accurate self limiting temperature flexible electrothermal membrane |
| CN110283497B (en) * | 2019-06-28 | 2022-07-12 | 深圳烯材科技有限公司 | Method for printing screen printing conductive ink of precise self-temperature-limiting flexible electrothermal film |
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