CN1632001A - Screening conductive coating/paint - Google Patents
Screening conductive coating/paint Download PDFInfo
- Publication number
- CN1632001A CN1632001A CN 200410068059 CN200410068059A CN1632001A CN 1632001 A CN1632001 A CN 1632001A CN 200410068059 CN200410068059 CN 200410068059 CN 200410068059 A CN200410068059 A CN 200410068059A CN 1632001 A CN1632001 A CN 1632001A
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- Prior art keywords
- powder
- lacquer
- conductive paint
- shielding conductive
- silver
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- Granted
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- 239000003973 paint Substances 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 title abstract description 28
- 238000000576 coating method Methods 0.000 title abstract description 28
- 238000012216 screening Methods 0.000 title 1
- 239000000843 powder Substances 0.000 claims abstract description 31
- 239000002904 solvent Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 239000004922 lacquer Substances 0.000 claims description 37
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 24
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 24
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 230000008719 thickening Effects 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- UGZICOVULPINFH-UHFFFAOYSA-N acetic acid;butanoic acid Chemical compound CC(O)=O.CCCC(O)=O UGZICOVULPINFH-UHFFFAOYSA-N 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 229910000989 Alclad Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical class C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003749 cleanliness Effects 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 13
- 239000004033 plastic Substances 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 6
- 229920003009 polyurethane dispersion Polymers 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 239000010946 fine silver Substances 0.000 description 5
- 235000009967 Erodium cicutarium Nutrition 0.000 description 4
- 240000003759 Erodium cicutarium Species 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- WTUTXGGXSHMISM-UHFFFAOYSA-N 2-acetyloxyacetic acid;butanoic acid Chemical compound CCCC(O)=O.CC(=O)OCC(O)=O WTUTXGGXSHMISM-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 235000015110 jellies Nutrition 0.000 description 3
- 239000008274 jelly Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- BNPSSFBOAGDEEL-UHFFFAOYSA-N albuterol sulfate Chemical compound OS(O)(=O)=O.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 BNPSSFBOAGDEEL-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Conductive Materials (AREA)
Abstract
The invention relates to a shielding conducting coating paint,comprising the following components;metal powder 25-45%,sticker 5-25%, and thickener 1-12%,solvent 20-25%,regulator of PH value 0.5-2% and water 5-20%. The slice-shaped conducting powder is arranged averagely when the product is sprayed to be film,with high conductivity,cleanliness and degree of shielding. Its raw material being chosen and matched reasonably,makes the electric very small and outstanding shielding effect. The invention has rapid drying in low temperature,outstanding adhesive force, density of adhesiveness and wear resistance.
Description
Technical field:
The present invention relates to a kind of chemical industry electronic material, refer to a kind of shielding conductive material especially, be applied to electronic communication field.
Background technology:
Electromagnetic Interference is meant because of deleterious hertzian wave is interfered the normal function of electron device or causes the phenomenon of obstacle, hereinafter to be referred as EMI.EMI can disturb the normal function of nearly all electronic apparatus.This also has bad influence to static discharge to electron device, and HUMAN HEALTH is produced harm, to product still be the mankind all be a kind of electronic pollution.
Product performance and cost demand often make the EMI problem achieve a solution selecting for use of electronic package.Therefore product cabinet (shell) and lead are also shielded, to meet the various standards of electromagnetic compatibility.Wherein use increasing a kind of method and be exactly on shell spraying one deck and be used for the coating that shields specially.
Disturb and prevent that digital communication leaks for making the high molecule plastic housing possess electromagnetic radiation resistant, must use electromagnetic shielding material, eliminate and alleviate Electromagnetic Interference as high molecule plastic surface of shell coating.Adopt electrically conducting coating/lacquer then be the most effective, cost is low, one of the technological approaches of easy construction.
It is base-material that electromagnetic-shielding conductive coating/lacquer employing can spray the polymer novel material, utilize up-to-date surface chemistry technology, with nanometer/submicron/micron order metal-powder high dispersing in macromolecular structure, both had metal-powder high conductivity and electromagnetic wave shielding, had the outstanding clinging power of macromolecular material, heat-moisture resistance and surface smoothness again.
EMI electrically conducting coating/lacquer is a kind of necessary protective function coating of electronic pollution that prevents in the epoch of electronic industry high speed development, is the novel chemical industry electronic material in the present high efficiency technical development field.Developed country is very active to its research.China comparatively falls behind in the electromagnetic shielding material field, and especially frequency is at the early-stage in the research of the electromagnetic shielding material of 10KHz～1GHz scope, and research unit is few, and kind is single, and capability of electromagnetic shielding is low.
Present electrically conducting coating/lacquer belongs to solvent-borne type mostly, and not environmental protection does not meet ISO14001 environment Valuation Standard; Owing to adopted the aggressiveness solvent, the thin-walled plastic is easily caused gravitational outer quick-fried phenomenon in lacquer painting crowfoot cracks and the interior plastic, the easy layering of solid-liquid, metal-powder uniform distribution poor stability, thick coating, electroconductibility and shielding are poor.
Fine silver electrically conducting coating/the lacquer of present other brand, thickness needs 12.5 μ～40 μ, and surface resistivity is 0.15 ± 0.25 Ω/.Shielding rate is 65dB, 30 minutes ability dryings (see substantive examination bibliography-EXPAN company related products technical indicator, come from Korea S EXPAN company product manual) under 70 ℃ of temperature
Summary of the invention:
Technical problem to be solved by this invention just is to overcome the deficiency of electrically conducting coating/lacquer in the prior art, and a kind of shielding conductive paint/lacquer is provided.
A kind of shielding conductive paint/lacquer, it comprises following component: (weight percent)
Metal powder 20～45%
Caking agent 5～25%
Viscosity agent 1～10%
Thickening material 1～12%
Solvent 20～25%
PH value conditioning agent 0.5～2%
Water 5～20%
Above-mentioned metal powder can adopt one of silver powder, silver-coated copper powder, nickel powder, silver-colored nickel coat powder, copper powder, aluminium powder, silver-colored alclad powder or mixture with different cost requirements according to shielding properties.
Above-mentioned metal powder particle diameter is micron, submicron, nano-grade.
Above-mentioned binding agent can adopt water base high molecular Polyurethane (PUD) modified resin or acrylic acid modified resin, its cementability to metal conductive powder is good, plastics are had outstanding sticking power and surface smoothness, and embody good chemical stability and abrasion resistance.
Above-mentioned viscosity agent is to adopt carboxymethyl cellulose acetate butyrate (CMCAB) or carboxymethyl cellulose, this CMCAB has certain viscosity in specific solvent, and have thixotropy and a levelling function, the sheet conducting powder is closely arranged, improve electroconductibility, opacity and the surface smoothness of coating.
Above-mentioned thickening material adopts alkali stream expansion emulsus thickening material, makes water-based polyamine fat liquor have certain high viscosity, makes system be jelly shape emulsion, prevents equally distributed metal-powder sedimentation, good stability, and solid-liquid is not stratified.Also can reduce the rapid subsidence of metal-powder during spraying after the dilution, the tool excellent operation.
Above-mentioned solvent is selected the low temperature of the good hydrophilic property gentle solvent that volatilizees for use, spirituosity 10～15%, ethyl acetate 2～10%, Virahol 2～10%, form water base, solvent type electrically conducting coating/lacquer, purpose is the outer quick-fried phenomenon that makes spraying back low-temperature quick-dry and avoid lacquer painting crowfoot cracks and plastic internal stress effectively.
Above-mentioned pH value conditioning agent selects for use triethylamine to regulate the pH value, makes system be the weakly alkaline state, with limited adjusting viscosity, and the oxidation that can slow down metal powder.
Can in above-mentioned prescription, add small amount of N-methyl-2-pyrrolidone (NMP), for example 1～3%, be used for the etch substrate, increase sticking power.
The preparation method of above-mentioned shielding conductive paint/lacquer is conventional mixing stirring means, can adopt 0～8000 rev/min can regulate high-speed shearing machine and stir and get final product.
Effect of the present invention:
1, the invention provides a kind of water-based solvent mixture electrically conducting coating/lacquer, do not contain noxious solvents such as benzene.Abandon older generation's aggressiveness solvent, as MEK etc., using alcohol instead is gentle solvent, makes this product can be used for numerous plastic cement surface safely.Especially electronicss such as mobile phone, notebook computer, medical facilities adopt PC (polycarbonate), ABS, ABC-PC class thin-walled plastic more, and the present invention avoids the outer quick-fried phenomenon of lacquer painting crowfoot cracks and plastic internal stress effectively.
2, system of the present invention should be suitable for polytype micron/submicron level flake metal powder, can adopt the mixture of silver powder, silver-coated copper powder, nickel powder, silver-colored nickel coat powder, copper powder, aluminium powder, silver-colored alclad powder or above powder according to shielding properties and different cost requirements.
3, the present invention will dispose and be jelly shape emulsion, and appropriate viscosity prevents sedimentation.Make content up to the uniform distribution in emulsion of the metal conductive powder more than 40%, good stability, solid-liquid is not stratified.
The sheet conducting powder is closely arranged evenly, and coating has high conductivity and smooth finish and opacity.
5, the preferred and reasonable proportioning of raw material of the present invention makes its resistance on coating as thin as a wafer minimum, has good effectiveness of shielding.
6, electrically conducting coating of the present invention/lacquer has low-temperature quick-dry, excellent dry film sticking power, density, wear resistance.
Embodiment:
Embodiment 1: preparation fine silver electrically conducting coating/lacquer
Add raw material in the following order, use the stirrer shear-mixed:
The material name ratio
(1) the aqueous polyurethane dispersion 5%
(2) Virahol 5%
(3) ethanol 13%
(4) N-Methyl pyrrolidone (NMP) 1%
(5) water 20%
(6) silver powder 41%
(7) carboxymethyl cellulose acetate butyrate solution (CMCAB) 5.5%
(8) ethyl acetate 3%
(9) triethylamine 1%
(10) alkali stream expansion emulsus thickening material 5.5%
Embodiment 2: preparation fine silver electrically conducting coating/lacquer
Add raw material in the following order, use the stirrer shear-mixed:
The material name ratio
(1) the aqueous polyurethane dispersion 15%
(2) Virahol 5%
(3) ethanol 13%
(4) N-Methyl pyrrolidone (NMP) 1%
(5) water 19%
(6) silver powder 41%
(7) carboxymethyl cellulose acetate butyrate solution (CMCAB) 1%
(8) ethyl acetate 3%
(9) triethylamine 1%
(10) alkali stream expansion emulsus thickening material 1%
Embodiment 3: preparation fine silver electrically conducting coating/lacquer
Add raw material in the following order, use the stirrer shear-mixed:
The material name ratio
(1) the aqueous polyurethane dispersion 20%
(2) Virahol 5%
(3) ethanol 13%
(4) N-Methyl pyrrolidone (NMP) 1%
(5) water 5%
(6) silver powder 41%
(7) carboxymethyl cellulose acetate butyrate solution (CMCAB) 6%
(8) ethyl acetate 3%
(9) triethylamine 1%
(10) alkali stream expansion emulsus thickening material 5%
Embodiment 4: preparation Yin-Yin copper-clad electrically conducting coating/lacquer
Add raw material in the following order, use the stirrer shear-mixed:
The material name ratio
(1) the aqueous polyurethane dispersion 10%
(2) Virahol 5%
(3) ethanol 12%
(4) N-Methyl pyrrolidone (NMP) 1%
(5) water 5%
(6) silver-coated copper powder 28%
(7) silver powder 16%
(8) the carboxymethyl acetate butyrate 5%
(9) ethyl acetate 5%
(10) triethylamine 1%
(11) alkali stream expansion emulsus thickening material 12%
Embodiment 5: preparation Yin-Yin copper-clad electrically conducting coating/lacquer
Add raw material in the following order, use the stirrer shear-mixed:
The material name ratio
(1) the aqueous polyurethane dispersion 23%
(2) Virahol 5%
(3) ethanol 12%
(4) N-Methyl pyrrolidone (NMP) 1%
(5) water 5%
(6) silver-coated copper powder 20%
(7) silver powder 15%
(8) the carboxymethyl acetate butyrate 5%
(9) ethyl acetate 5%
(10) triethylamine 1%
(11) alkali stream expansion emulsus thickening material 8%
Embodiment 6: preparation Yin-Yin copper-clad electrically conducting coating/lacquer
Add raw material in the following order, use the stirrer shear-mixed:
The material name ratio
(1) the aqueous polyurethane dispersion 15%
(2) Virahol 5%
(3) ethanol 12%
(4) N-Methyl pyrrolidone (NMP) 1%
(5) water 5%
(6) silver-coated copper powder 25%
(7) silver powder 14%
(8) the carboxymethyl acetate butyrate 5%
(9) ethyl acetate 5%
(10) triethylamine 1%
(11) alkali stream expansion emulsus thickening material 12%
Fine silver electrically conducting coating/the lacquer of embodiment 1～3 preparation after tested, performance index are as follows:
1. surface resistivity is≤0.02 Ω/ (12.5 a μ dried film thickness)
2. shielding rate is 〉=72dB (12.5 μ dried film thickness)
3. sticking power is 5B (test of hundred lattice is 100/100)
4. hardness is 〉=2H
5. bake out temperature is 60 ℃, only needs 25 minutes.
Yin-Yin copper-clad electrically conducting coating/the lacquer of embodiment 4～6 preparation after tested, performance index are as follows:
1. surface resistivity is≤0.02 Ω/ (15 a μ dried film thickness)
2. shielding rate is 〉=80dB (15 μ dried film thickness)
3. sticking power is 4B (test of hundred lattice is 100/100)
4. hardness is 〉=2H
5. bake out temperature is 60 ℃, only needs 25 minutes.
Electrically-conducting paint of the present invention/lacquer compared with prior art has following superiority:
1. adopt special resin and conducting medium, electric conductivity is preeminent, significantly reduces the user's The production and processing cost. Silver electrically-conducting paint/lacquer can reach effective electricity at the following dry film of 12.5 μ m Magnetic screen, pad value reaches 72dB (thickness 12.5 μ), face at (10K～12G scope) Long-pending resistance is less than 0.02 Ω/. Yin-Yin copper-clad electrically-conducting paint/lacquer gets final product at the following dry film of 15 μ Reach effective electromagnetic shielding, pad value reaches 80dB (thickness at (10K～12G scope) 15 μ), area resistance is less than 0.02 Ω/.
2. unique prescription system has guaranteed same excellence when reaching superior electrical conductivity Film forming density, adhesive force (5B) and wearability (hardness is 2H).
3. owing to adopted CMCAB as levelling agent, make sheet conducting powder close-packed arrays during film forming, improve electric conductivity, opacity and the surface smoothness of coating, surfacing reaches below 0.6 μ
4. the present invention abandons older generation's aggressivity solvent such as MEK etc., uses pure series solvent instead, Its series of products can be used for multiple plastic surface safely, as PC (polycarbonate), ABS, ABC-PC class plastic cement. Even the thin-walled plastic is also avoided lacquer painting crowfoot cracks and plastic planted agent effectively The outer quick-fried phenomenon of power.
5. the present invention makes product be configured to jelly shape emulsion, makes it have certain viscosity and prevents from sinking Fall. Content is evenly distributed in emulsion up to the metal conductive powder more than 40%, and solid-liquid is not Layering, good stability. The sedimentation that also can slow down metallic after the dilution during spraying, good operability.
6. only need industrial alcohol to dilute in proportion when the user uses, do not need the strong solvents such as MEK rare Release, use safely, nontoxic, meet the ISO14001 environment and prove standard-required.
7. rate of drying is fast, and drying tunnel temperature only needs 60 ℃, and 25 minutes namely dry.
8. the invention belongs to aqua type coating, contain extremely low VOC, the toxic solvents such as no benzene are Green Product meets the ISO14001 environment and proves standard-required.
Claims (9)
1, a kind of shielding conductive paint/lacquer by weight percentage, comprises following component:
Metal powder 25～45%
Caking agent 5～25%
Viscosity agent 1～10%
Thickening material 1～12%
Solvent 20～25%
PH value conditioning agent 0.5～2%
Water 5～20%
2, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described metal powder adopts one of silver powder, silver-coated copper powder, nickel powder, silver-colored nickel coat powder, copper powder, aluminium powder, silver-colored alclad powder or mixture.
3, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described metal powder particle diameter is micron, submicron, nano level.
4, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described binding agent is water base high molecular Polyurethane modified resin or acrylic acid modified resin.
5, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described viscosity agent is carboxymethyl cellulose acetate butyrate or carboxymethyl cellulose.
6, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described thickening material is an alkali stream expansion emulsus thickening material.
7, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described solvent spirituosity 10～15%, ethyl acetate 2～8%, Virahol 2～10%.
8, a kind of shielding conductive paint/lacquer according to claim 1 is characterized in that described pH value conditioning agent is a triethylamine.
9, according to the described a kind of shielding conductive paint/lacquer of claim 1～8, it is characterized in that to add 1～2% N-Methyl pyrrolidone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100680590A CN100360620C (en) | 2004-11-11 | 2004-11-11 | Screening conductive coating/paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100680590A CN100360620C (en) | 2004-11-11 | 2004-11-11 | Screening conductive coating/paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1632001A true CN1632001A (en) | 2005-06-29 |
| CN100360620C CN100360620C (en) | 2008-01-09 |
Family
ID=34846733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100680590A Active CN100360620C (en) | 2004-11-11 | 2004-11-11 | Screening conductive coating/paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100360620C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363450C (en) * | 2005-11-04 | 2008-01-23 | 上海市合成树脂研究所 | Water based conductive coating |
| CN101314680B (en) * | 2007-05-30 | 2010-11-03 | 比亚迪股份有限公司 | Electrically-conducting paint, preparation method and uses thereof |
| CN102850885A (en) * | 2012-09-20 | 2013-01-02 | 吴江市天源塑胶有限公司 | Conductive coating used for plastic surface |
| CN102850932A (en) * | 2012-09-19 | 2013-01-02 | 南通博宇机电有限公司 | Conductive paint |
| CN103525223A (en) * | 2013-10-25 | 2014-01-22 | 北京石油化工学院 | Waterborne conductive coating composition for electromagnetic shielding as well as preparation method thereof |
| CN103834215A (en) * | 2012-11-28 | 2014-06-04 | 丁小铁 | Flame-retardant antistatic paint |
| CN106205862A (en) * | 2016-06-29 | 2016-12-07 | 西安工程大学 | A kind of preparation method of high-temperature electric conduction glass fabric |
| CN106543859A (en) * | 2016-11-18 | 2017-03-29 | 上海乐涂光电科技有限公司 | A kind of silver-plated copper conductive paint and preparation method thereof |
| CN106833231A (en) * | 2017-02-13 | 2017-06-13 | 深圳市天得环境科技有限公司 | Novel aqueous electrically-conducting paint and preparation method thereof |
| CN106967350A (en) * | 2017-03-24 | 2017-07-21 | 合肥羿振电力设备有限公司 | A kind of anti-corrosion electric conducting coating of power-supply device and preparation method thereof |
| CN114867336A (en) * | 2022-06-16 | 2022-08-05 | 湖州市吴兴区新江浩铝电解电容器研究院 | Shielding pad and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715989A (en) * | 1986-01-22 | 1987-12-29 | The B.F. Goodrich Company | Coating for EMI shielding |
| US4950423A (en) * | 1986-01-22 | 1990-08-21 | The B. F. Goodrich Company | Coating of EMI shielding and method therefor |
| US5855820A (en) * | 1997-11-13 | 1999-01-05 | E. I. Du Pont De Nemours And Company | Water based thick film conductive compositions |
| CN1441014A (en) * | 2002-02-27 | 2003-09-10 | 海尔科化工程塑料国家工程研究中心股份有限公司 | Environment protecting nano conducting paint composite and its prepn |
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2004
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| CN100363450C (en) * | 2005-11-04 | 2008-01-23 | 上海市合成树脂研究所 | Water based conductive coating |
| CN101314680B (en) * | 2007-05-30 | 2010-11-03 | 比亚迪股份有限公司 | Electrically-conducting paint, preparation method and uses thereof |
| CN102850932A (en) * | 2012-09-19 | 2013-01-02 | 南通博宇机电有限公司 | Conductive paint |
| CN102850885B (en) * | 2012-09-20 | 2015-05-20 | 吴江华诚复合材料科技有限公司 | Conductive coating used for plastic surface |
| CN102850885A (en) * | 2012-09-20 | 2013-01-02 | 吴江市天源塑胶有限公司 | Conductive coating used for plastic surface |
| CN103834215A (en) * | 2012-11-28 | 2014-06-04 | 丁小铁 | Flame-retardant antistatic paint |
| CN103525223A (en) * | 2013-10-25 | 2014-01-22 | 北京石油化工学院 | Waterborne conductive coating composition for electromagnetic shielding as well as preparation method thereof |
| CN103525223B (en) * | 2013-10-25 | 2016-03-30 | 北京石油化工学院 | A kind of electromagnetic shielding use conducting paint composite and preparation method thereof |
| CN106205862A (en) * | 2016-06-29 | 2016-12-07 | 西安工程大学 | A kind of preparation method of high-temperature electric conduction glass fabric |
| CN106543859A (en) * | 2016-11-18 | 2017-03-29 | 上海乐涂光电科技有限公司 | A kind of silver-plated copper conductive paint and preparation method thereof |
| CN106833231A (en) * | 2017-02-13 | 2017-06-13 | 深圳市天得环境科技有限公司 | Novel aqueous electrically-conducting paint and preparation method thereof |
| CN106967350A (en) * | 2017-03-24 | 2017-07-21 | 合肥羿振电力设备有限公司 | A kind of anti-corrosion electric conducting coating of power-supply device and preparation method thereof |
| CN114867336A (en) * | 2022-06-16 | 2022-08-05 | 湖州市吴兴区新江浩铝电解电容器研究院 | Shielding pad and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN100360620C (en) | 2008-01-09 |
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