CN1072699A - A kind of coating with new function - Google Patents
A kind of coating with new function Download PDFInfo
- Publication number
- CN1072699A CN1072699A CN 91110873 CN91110873A CN1072699A CN 1072699 A CN1072699 A CN 1072699A CN 91110873 CN91110873 CN 91110873 CN 91110873 A CN91110873 A CN 91110873A CN 1072699 A CN1072699 A CN 1072699A
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- CN
- China
- Prior art keywords
- oxide
- coating
- silver
- conductive
- scorification
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- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 47
- 239000011248 coating agent Substances 0.000 title claims abstract description 39
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims abstract description 30
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229960004643 cupric oxide Drugs 0.000 claims abstract description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 10
- 229910000428 cobalt oxide Inorganic materials 0.000 claims abstract description 9
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910052709 silver Inorganic materials 0.000 claims abstract description 8
- 239000004332 silver Substances 0.000 claims abstract description 8
- 229910052810 boron oxide Inorganic materials 0.000 claims abstract description 4
- 229910001392 phosphorus oxide Inorganic materials 0.000 claims abstract description 4
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000001680 brushing effect Effects 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 238000007650 screen-printing Methods 0.000 claims abstract 2
- 239000000843 powder Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 claims description 2
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 claims description 2
- 241000723346 Cinnamomum camphora Species 0.000 claims description 2
- 229960000846 camphor Drugs 0.000 claims description 2
- 229930008380 camphor Natural products 0.000 claims description 2
- 238000003618 dip coating Methods 0.000 claims description 2
- 239000008157 edible vegetable oil Substances 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 229910001958 silver carbonate Inorganic materials 0.000 claims description 2
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 claims description 2
- 229910000108 silver(I,III) oxide Inorganic materials 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000758 substrate Substances 0.000 abstract description 5
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002952 polymeric resin Substances 0.000 description 7
- 229920000620 organic polymer Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- SQIFACVGCPWBQZ-UHFFFAOYSA-N delta-terpineol Natural products CC(C)(O)C1CCC(=C)CC1 SQIFACVGCPWBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229940116411 terpineol Drugs 0.000 description 1
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- Conductive Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of coating with new function is made up of silver, plumbous oxide, phosphorus oxide, boron oxide, silicon oxide, cupric oxide (or cobalt oxide).Adopt thick-film techniques such as spraying, brushing, silk screen printing, preparation is used as conductive coating, antistatic coating, conductive electrode, electrically contacts coating, local surfaces solder joint, PTC thermal sensing element electrode etc. at metal or non-metal substrate surface.Above-mentioned coating, electrode or solder joint be scolding tin directly.This invention has heatproof, moisture-proof, does not wear out, combines firmly with ground, electroconductibility is fabulous, the direct advantage such as scolding tin of coatingsurface, is a kind of widely used functional coating.
Description
This invention belongs to admixing type inorganic conductive coatings, and coatingsurface can scolding tin.
The conductive coating used always of people is divided into two big classes so far: (1) mixed type conductive coating; (2) intrinsically conducting coating.It is tackiness agent that the mixed type conductive coating adopts organic polymer resin mostly, and tackiness agent itself is non-conductive, mixes the conductive powder material, forms microcosmos network formula conductive channel by the mutual overlap joint between the conductive powder particle.The main drawback that the mixed type conductive coating exists: tackiness agent is an organic polymer resin, rate of moisture absorption height, coating electroconductibility instability, poor, the easy thermal ageing of heat resistance.The intrinsically conducting coating does not need to mix the conductive powder material, but the electroconductibility of leaning on macromolecule resin itself to be had.But the synthetic difficulty of this conductive polymer resin is very big, and technology is very complicated, and cost is too high, and the membrane resistance of eigenmode conductive polymer coating is generally more than megaohm, also has serious problem at heatproof, moisture-proof, aspect such as ageing-resistant.The surface of above-mentioned two class conductive coatings all can not scolding tin, owing to there is above-mentioned shortcoming, has greatly limited organic polymer resin and be the applying of two class conductive coatings of tackiness agent.
The purpose of this invention is to propose a kind of coating with new function, it is admixing type inorganic conductive coatings, it has overcome the defective of existing two class organic polymer resin conductive coatings, it is to add the inorganic adhesive contain multiple oxide compound in the conductive powder material, conductive powder particle is overlapped mutually and forms that microcosmos network formula conductive channel realizes through sintering.
The component of this invention is: silver (Ag), phosphorus oxide (P
2O
5), plumbous oxide (PbO), boron oxide (B
2O
3), silicon oxide (SiO
2) and cupric oxide (CuO) (or cobalt oxide CoO).Its component weight percentage is: silver (Ag) 97.1%-99.0%, phosphorus oxide (P
2O
5) 0.1%-0.5%, plumbous oxide (PbO) 1.0%-2.0%, boron oxide (B
2O
3) 0.2%-0.4%, silicon oxide (SiO
2) 0.1%-0.3% and cupric oxide (CuO) (or cobalt oxide CoO) 0.01%-0.05%.Wherein silver is metallic conduction filler and soldering filler, plumbous oxide, phosphorus oxide, boron oxide, silicon oxide, cupric oxide (or cobalt oxide) are through high heat burnout, ball milling sieves and makes the powder inorganic adhesive, and its effect is softeningly in conductive coating oven dry, sintering process to flow and soak into bonding with silver and sinter into and combine firm conductive coating with ground.
The preparation method of this invention: take by weighing the back scorification under high temperature that is mixed of plumbous oxide, phosphorus oxide, boron oxide, silicon oxide, cupric oxide (or cobalt oxide) according to the component weight percentage, the scorification temperature is 750 ℃-1250 ℃, and the scorification time is 15 minutes-75 minutes.The good material piece of scorification was through 40-55 hour ball milling, cross 300 mesh standard sieves, make the powder inorganic adhesive, thereafter, take by weighing silver powder and the powder inorganic adhesive mixing of making according to the component weight percentage, add an amount of Terpineol 350, be modulated into the suitable slurry of viscosity, adopt thick-film techniques such as spraying, brushing, blade coating, dip-coating or silk-screen, through pretreated substrate surface system film, thereafter, oven dry promptly can be made into high performance conductive coating in 450 ℃ of-620 ℃ of following sintering 7-30 minutes in 8-20 minute under 150 ℃-200 ℃.The component of inorganic adhesive can directly adopt the oxide compound that provides in the component weight percentage, can be raw material with stoichiometric other compounds also, and wherein plumbous oxide (PbO) can be used stoichiometric PbO
2, PbCO3.2Pb(OH)
2Or Pb
3O
4Be raw material, boron oxide (B
2O
3) can use stoichiometric H
3BO
3Be raw material, silicon oxide (SiO
2) can be raw material at the quartz sand more than 98.5% with purity, phosphorus oxide (P
2O
5) available stoichiometric Ca
3(PO
4)
2Or Mg
3(PO
4)
2Be raw material, the available chemical equivalent Cu of cupric oxide (CuO)
2O or CuCO
3Be raw material, the available stoichiometric Co of cobalt oxide (CoO)
2O
3Be raw material.Silver powder in the conductive coating, its particle diameter are 4 μ-60 μ, and purity is 95%-99.5%, also can use silver suboxide (Ag
2O) or silver carbonate (Ag
2CO
3) as silver-colored raw material.Terpineol 350 is the thinner that is used for adjusting slurry viscosity.In oven dry, sintering process, thinner volatilizees totally fully, the add-on of thinner (weight %) is 25%-65%, be suitable for adopting thick-film technique system film to be as the criterion with slurry viscosity, available thinner also has: glycerine, propylene glycol, dibutylester, turps, white oil of camphor, edible oil, lubricated wet goods, can choose wantonly wherein a kind ofly, also can mix use.This invention can directly be coated with built in metal or non-metal substrate surface, never drop-off.The conductive coating surface is scolding tin directly, adopts soldering technology to conduct electricity to connect very convenient.
The technical parameter of this invention:
Coating square conduction :≤0.0001 Ω/;
Long-term heatproof: 400 ℃;
Short-term heatproof: 500 ℃;
Moisture-proof: 〉=95%;
Thickness: 0.05mm-0.60mm;
Firmness (cross-hatching): 100%;
But solderability: 100%
The purposes of this invention:
1.: the preparation high conductive coating is particularly suitable for preparing the heatproof high conductive coating;
2.: the preparation anti-static coating;
3.: prepare various thick-film conductor electrodes;
4. preparation electrically contacts coating;
5. prepare the local surfaces solder joint;
6. prepare PTC thermal sensing element electrode;
With the direct scolding tin of conductive coating, electrode or the solder joint of this invention preparation.
The remarkable advantage that this invention has compared with prior art:
1. all base mateiral all belongs to non-metal inorganic material, no catabiosis.
2. through sintering, inorganic adhesive not only can film forming but also is sintered into one with ground, forms the combination of firm alloying, can only adopt chemical corrosion or mechanical polishing method coating could be removed from substrate surface.
3. rate of moisture absorption low (≤0.1%) hangs down one more than the order of magnitude than general organic polymer resin conductive coating rate of moisture absorption.
4. heat resistance is higher than general organic polymer resin conductive coating, and long-term heatproof can reach 400 ℃, and the short-term heatproof can reach 500 ℃.
5. the direct scolding tin in the surface of this invention.
6. electroconductibility is fabulous, and the high current load ability is strong.
Below in conjunction with accompanying drawing this invention is described in further detail.
Accompanying drawing 1-this invention structural principle synoptic diagram
The 1-inorganic conductive coatings;
The 2-ground;
The 3-soldering-tin layer.
Accompanying drawing 2-tubular rheostat element
The 4-resistive coating;
The 5-inorganic conductive coatings is used as directly scolding tin of electrode;
6-tubulose ground (glass or pottery).
Accompanying drawing 3-this invention process flow sheet
Embodiment: (is example for 1 kilogram with the system material)
Take by weighing 17.7 gram plumbous oxide (PbO), 1.5 gram phosphorus oxide (P
2O
5), 3.6 gram boron oxide (B
2O
3), 1.5 gram silicon oxide (SiO
2), 0.1 gram cupric oxide (CuO) is mixed the back in 950 ℃ of following scorifications 35 minutes, finish mix, through 55 hours ball millings, cross 300 mesh standard sieves, make the powder inorganic adhesive.Taking by weighing 975.6 gram silver powder again is mixed even with the inorganic adhesive of making, add 700 gram Terpineol 350s and be modulated into slurry, adopt to spray or brush technology, dried 14 minutes down in 170 ℃ at metal or non-metal substrate surface system film, in 515 ℃ of following sintering 11 minutes, promptly can be made into inorganic conductive coatings.
Claims (7)
1, a kind of coating with new function is characterized in that containing (weight %):
Silver (Ag) 97.1%-99.0%;
Plumbous oxide (PbO) 1.0%-2.0%;
Phosphorus oxide (P2O5) 0.1%-0.5%;
Boron oxide (B2O3) 0.2%-0.4%;
Silicon oxide (SiO2) 0.1%-0.3%;
Cupric oxide (CuO) (or cobalt oxide CoO) 0.01%-0.05%
2,, it is characterized in that the raw material of silver can adopt silver powder or silver suboxide (Ag according to claim 1 described functional coating
2O) or silver carbonate (Ag
2CO
3).
3,, it is characterized in that the powder inorganic adhesive is made in finish mix of plumbous oxide, phosphorus oxide, boron oxide, silicon oxide, cupric oxide (or cobalt oxide) mixing and scorification after ball milling sieves according to the preparation method of claim 1 described functional coating.Add an amount of silver and thinner then and be modulated into the suitable slurry of viscosity, adopt thick-film technique system films such as spraying, brushing, blade coating, dip-coating, silk screen printing, oven dry then, sintering.
4, according to claim 3 described preparation methods, it is characterized in that the scorification temperature is 750 ℃-1250 ℃, the scorification time is 15 minutes-75 minutes.
5, according to claim 3 described preparation methods, it is characterized in that 450 ℃-620 ℃ of sintering temperatures, sintering time is 7-30 minute.
6,, it is characterized in that coating film thickness is 0.05-0.60mm according to claim 1 described functional coating.
7, according to claim 3 described thinners, it is characterized in that using Terpineol 350, glycerine, propylene glycol, dibutylester, turps, white oil of camphor, edible oil and lubricating oil as thinner, can choose wantonly wherein a kind ofly, also can mix use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91110873 CN1072699A (en) | 1991-11-22 | 1991-11-22 | A kind of coating with new function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91110873 CN1072699A (en) | 1991-11-22 | 1991-11-22 | A kind of coating with new function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1072699A true CN1072699A (en) | 1993-06-02 |
Family
ID=4910309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91110873 Pending CN1072699A (en) | 1991-11-22 | 1991-11-22 | A kind of coating with new function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1072699A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045454C (en) * | 1996-03-12 | 1999-10-06 | 尹维平 | Inorganic electric-conductive coating and its preparation |
| AT408079B (en) * | 2000-01-11 | 2001-08-27 | Hoffmann Hans | WELDING TORCH AND ELECTRIC NOZZLE |
| CN100342512C (en) * | 2001-02-14 | 2007-10-10 | 希脱鲁尼克斯 | Linked structures utilizing reacted borosilicate mixtures |
| CN113909738A (en) * | 2021-11-09 | 2022-01-11 | 佛山市摩陶新材料科技有限公司 | Preparation method and application of ceramic soldering tin head surface treatment coating |
-
1991
- 1991-11-22 CN CN 91110873 patent/CN1072699A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045454C (en) * | 1996-03-12 | 1999-10-06 | 尹维平 | Inorganic electric-conductive coating and its preparation |
| AT408079B (en) * | 2000-01-11 | 2001-08-27 | Hoffmann Hans | WELDING TORCH AND ELECTRIC NOZZLE |
| US6747248B2 (en) | 2000-01-11 | 2004-06-08 | Alexander Binzel Schweisstechnik Gmbh & Co. Kg | Welding torch and stream nozzle |
| CN100342512C (en) * | 2001-02-14 | 2007-10-10 | 希脱鲁尼克斯 | Linked structures utilizing reacted borosilicate mixtures |
| CN113909738A (en) * | 2021-11-09 | 2022-01-11 | 佛山市摩陶新材料科技有限公司 | Preparation method and application of ceramic soldering tin head surface treatment coating |
| CN113909738B (en) * | 2021-11-09 | 2023-08-15 | 佛山市摩陶新材料科技有限公司 | Preparation method and application of ceramic soldering tin head surface treatment coating |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |