CN1560168A - Preparation precess of anisotropic conductive coating - Google Patents
Preparation precess of anisotropic conductive coating Download PDFInfo
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- CN1560168A CN1560168A CNA2004100220281A CN200410022028A CN1560168A CN 1560168 A CN1560168 A CN 1560168A CN A2004100220281 A CNA2004100220281 A CN A2004100220281A CN 200410022028 A CN200410022028 A CN 200410022028A CN 1560168 A CN1560168 A CN 1560168A
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- nitrile rubber
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- 239000011248 coating agent Substances 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title description 3
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 18
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000012046 mixed solvent Substances 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 8
- 239000004793 Polystyrene Substances 0.000 claims abstract description 4
- 229920002223 polystyrene Polymers 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims abstract description 3
- 229920005989 resin Polymers 0.000 claims description 48
- 239000011347 resin Substances 0.000 claims description 48
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 46
- 239000004593 Epoxy Substances 0.000 claims description 37
- 238000003756 stirring Methods 0.000 claims description 37
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 32
- 239000003292 glue Substances 0.000 claims description 11
- 239000002313 adhesive film Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229920006267 polyester film Polymers 0.000 claims description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 125000003944 tolyl group Chemical group 0.000 claims description 2
- 150000002460 imidazoles Chemical class 0.000 abstract description 2
- XKZQKPRCPNGNFR-UHFFFAOYSA-N 2-(3-hydroxyphenyl)phenol Chemical compound OC1=CC=CC(C=2C(=CC=CC=2)O)=C1 XKZQKPRCPNGNFR-UHFFFAOYSA-N 0.000 abstract 2
- 150000002576 ketones Chemical class 0.000 abstract 1
- 239000003094 microcapsule Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 238000007731 hot pressing Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013034 phenoxy resin Substances 0.000 description 2
- 229920006287 phenoxy resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- -1 2-ethyl Chemical group 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004842 bisphenol F epoxy resin Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses an anisotropic conductive film (ACF) making method, coating and drying epoxy resin, thermoplastic elastomer, latent curing agent, conductive particles and solvent gel-forming solution, cutting and obtaining it. And the characteristic: the epoxy resin is mixed of E-44 liquid diphenol A epoxy resin and E-20 solid diphenol A epoxy resin, the thermoplastic elastomer is carboxy nitrile rubber, the latent curing agent is microcapsule long-chain imidazole derivative, the conductive particles are 4-6 mum sized nickel-/gold- plated polystyrene mixed micrspheres, the solvent is a methylbenzene-bytyl ketone mixed solvent (in 3 : 0.9 - 3 : 1.1). The obtained ACF has higher peeling strength and electric properties able to meet the requirements of high-precision connection.
Description
[technical field]:
The present invention relates to a kind of manufacture method of each diversity conductive adhesive film (ACF), belong to the preparation of polymer adhesive, be particularly related to and be used for flexibility circuit and be connected with electronic devices and components, flexibility circuit is connected with glass displays and the plane shows the manufacturing technology of each diversity conductive adhesive film that conducting connects.
[background technology]:
Mobile telephone, liquid crystal display products such as PC are field with fastest developing speed at present, and liquid-crystal display LCD-TFT is one of gordian technique with being connected of flexibility circuit.It uses the wave soldering technology the earliest, can not satisfy the requirement of ultra-fine circuit.Conductive resin connects and can only bond, and effect can't set foot in precision and insulating requirements.The interconnection technique of the use ACF that latest developments are got up, the hollow bead of plastic cement that trickle nickel particles that it will conduct electricity or shell are coated with gold is mixed in and makes its XY direction present insulation in the resin, and be stressed vertical Z direction conduction, be functional materials new in Packaging Industry and the completed knocked down products.
ACF generally is made up of following major ingredient: 1. thermosetting resin and solidifying agent, the formation cross-linked structure that is heating and curing plays bonding effect, makes cured article heat-resisting.2. thermoplastic resin solidifies bonding effect originally after the heat fused cooling immediately.3. conducting particles is distributed in the film, interconnects and conducts electricity in the direction of exerting pressure when being heating and curing.Using maximum thermosetting resins in ACF is various Resins, epoxy (JP0312960) US5330684, JP2001207133CN1294166, especially bisphenol A type epoxy resin, can use the different mixture of molecular weight, other Resins, epoxy has novolac epoxy, the Resins, epoxy of Resins, epoxy acrylic acid fat (JP2001171033) trihydroxy-compound and bisphenol F epoxy resin (WO 0159007) etc., curing agent for epoxy resin is all used latent curing agent, use maximum be little encapsulate capsule imidazoles (JP03129607, JP09165435).As Japanese HX39213941HP of Asahi Chemical Industry etc., the Dyhard RU 100 of use or other latent curing agent are also arranged, another kind of heat reactive resin is the resin of radical polymerization, as Polyurethane acrylic acid fat, acrylic acid fat modified phenolic resins, bimaleimide resin (CN99103372JP2001164210), this resin such as unsaturated polyester (JP2001202831) uses peroxide radical initiator to solidify, as: dicumyl peroxide, isopropyl benzene hydroperoxide, 2-ethyl are crossed caproic acid tetramethyl-butyl ester.
In ACF, have: phenoxy resin (JP03129607 CN1294166) with Resins, epoxy and with thermoplastic resin, its structure is similar to Resins, epoxy, but molecular weight is much bigger, has certain flexibility, can be well compatible with Resins, epoxy, another kind of use is more to be polyvinyl acetal (JP2001064207), with Resins, epoxy can be compatible, and thermotolerance is better, the carboxyl nitrile rubber (CN99103372) of use is also arranged, acrylic elastomer (CN1294166), the report of polyester SBSST-E-ST thermoplastic elastomer (JP2001176326 JP01249881).
During making, uses ACF maximum conducting particless, be the polymer microballoon (CN1294166JP2001207133) of plating nickel on surface and gold, this also is state-of-the-art technology, also has nickel powder (WO0141157), the TiO 2 particles of coated nickel, (JP2000215730) conductive carbon powder (CN1280156).
ACF uses solvent in making, and all the components is dissolved, and forms glue, coating then, and coating back solvent is wanted easy heated volatile, and wishing has less toxicity, and using maximum solvents is butanone, ethyl acetate, toluene or their admixture solvent.
Sony KCC uses Resins, epoxy at the prescription of CN1294166 patent report, HX-3941HP class imdazole derivatives solidifying agent, and phenoxy resin, acrylic acid ester rubber is adhesive component, the polymer microballoon of nickel plating and gold is a conducting particles.SUMITOMO CHEMICAL electrical equipment Co., Ltd. uses Raolical polymerizable resins such as bismaleimides at the prescription of CN1242403 report, thermoplastic elastomers such as carboxyl Ding Qing are the tackiness agent main body, the polymer microballoon of nickel plating and gold is a conducting particles, how the CN1307625 patent of Minnesota Mining and Manufacturing Company makes nickel or nickel plating conducting particles arrange correctly if mainly having been narrated, use thermosetting resin and thermoplastic resin mixed glue.Use urethane among the chemistry CN1280156 of institute of Hubei, Resins, epoxy, tackiness agent compositions such as resol, conducting particles are carbon dust.
As seen, in ACF made, the selection of material and proportioning and even processing condition all were very important, as how best material by best proportioning make excellent performance, ACF product with low cost is to need a constantly big focus of research.
[summary of the invention]:
Purpose of the present invention is exactly in order to overcome the above problems, and a kind of manufacture method of each diversity conductive adhesive film is provided, and makes every effort to make the product with superior performance with preferable proportioning components.
For achieving the above object, the present invention proposes a kind of manufacture method of each diversity conductive adhesive film, by Resins, epoxy, thermoplastic elastomer, latent curing agent, conducting particles and solvent form glue through being coated with drying, obtain described conductive adhesive film after cutting, feature is: described Resins, epoxy is mixed by liquid bisphenol A epoxide resin and solid bisphenol A epoxy resin, described thermoplastic elastomer is the carboxyl nitrile rubber, described latent curing agent is little encapsulate capsule long-chain imdazole derivatives, conducting particles is the polystyrene mixing microballoon of granularity 4-6 μ m nickel plating/gold, and solvent is toluene/butanone (3: 0.9-3: 1.1) mixed solvent.
The usage ratio parts by weight of described each composition are: E-44 Resins, epoxy 8-15 part; E-20 Resins, epoxy 0-6 part; Carboxyl nitrile rubber 6-15 part; DBS-03 solidifying agent 6-15 part; Hybrid conductive particle 1.5-3.5 part; Be made into 30-40% solution after adding toluene/butanone solvent.
Its technological process is: add carboxyl nitrile rubber, toluene/butanone mixed solvent by above-mentioned prescription in reactor, stirring and dissolving adds Resins, epoxy again, stirring and dissolving adds conducting particles, evenly stir at whipping appts, add solidifying agent at last and dissolve again evenly, be coated with after the stirring, 80 ℃-100 ℃ of coating temperatures, divide clock time by 5-7, be applied on the surface-treated polyester film, with separating paper isolation carrying out rolling.
Owing to adopted above scheme, experiment showed, that the ACF that obtains has higher stripping strength, electrical property satisfies the requirement that high precision connects.
[embodiment]:
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
The thermosetting resin that uses among the present invention is the different bisphenol A epoxide resins of several molecular weight, and solidifying agent uses the DBLP3932 that oneself develops.The latent curing agent number of applying for a patent 2003101107987, thermoplastic resin uses the carboxyl nitrile rubber, and conducting particles is selected the polystyrene microsphere of home built nickel plating/gold for use, and mean particle size 5 μ m, solvent are toluene/butanone (3: 1) mixed solvent.The ACF that obtains has higher stripping strength, and electrical property satisfies the requirement that high precision connects.
The basic recipe that uses is as follows:
E-44 Resins, epoxy 8-15 part
E-20 Resins, epoxy 0-6 part
Carboxyl nitrile rubber 6-15 part
DBLP-03 solidifying agent 6-15 part
Hybrid conductive particle 1.5-3.5 part
Toluene/butanone (3: 1 weight ratios) is made into 30-40% solution.
ACF manufacturing process of the present invention comprises the preparation of glue, and conducting particles and resin stirring means, whipping appts are to adopt oneself invention three moving multiple degree of freedom whipping appts, the number of applying for a patent 200310111757.
The present invention adds the carboxyl nitrile rubber by above-mentioned prescription in reactor, toluene/butanone mixed solvent, stirring and dissolving adds Resins, epoxy again, stirring and dissolving adds conducting particles and evenly stirs at three moving multiple degree of freedom whipping apptss, adds solidifying agent at last and dissolves evenly again, is coated with after the stirring, 80 ℃-100 ℃ of coating temperatures, by 6 fens clock times, be applied on the surface-treated polyester film, with separating paper isolation carrying out rolling.
Press 160 ℃-180 ℃ of temperature at minute part, pressure 3-5mpa, hot pressing time 20-30 second, test stripping strength, conduction contact resistance and insulation resistance.
Embodiment 1
In reactor, add carboxyl nitrile rubber 240 grams (12 parts), add 2040 gram toluene/butanone mixed solvents, stir dissolving down, Controllable Temperature is built in below 40 ℃, add 200 gram (10 parts) E-44 Resins, epoxy, 80 grams (4 parts) then, E-20 Resins, epoxy, stirring and dissolving add 40 gram (2 parts) conducting particless.The back temperature that stirs is reduced to room temperature, and adding 160 gram (8 parts) DBLP-3932 solidifying agent at room temperature stir and obtain the 2760g glue.
Be applied on the coating machine on the surface-treated polyester film, drying tunnel temperature is controlled at and passes through 4 meters/minute of speed about 90 ℃, by 6 minutes drying tunnel time, puts interleaving paper during volume and isolates.180 ℃, hot pressing is 20 seconds under the 3mpa pressure, stripping strength 10N/mm, conducting resistance 5 Ω, insulation resistance 5 * 10
11Ω.
Embodiment 2
In reactor, add carboxyl nitrile rubber 180 grams (9 parts), add 2040 gram toluene/butanone mixed solvents and stir dissolving down, temperature is controlled at below 40 ℃, add E-44 Resins, epoxy 300 grams (15 parts) then, E-20 Resins, epoxy 40 grams (2 parts), stirring and dissolving adds DBLP3932 solidifying agent 160 grams (8 parts) and evenly stirs, and adds 40 gram (2 parts) conducting particless, evenly stirs by three moving multiple degree of freedom whipping apptss and obtains the 2760g glue.
Be applied on the coating machine on the surface-treated polyester film, drying tunnel temperature is controlled at and passes through 4 meters/minute of speed about 90 ℃, by 6 minutes drying tunnel time, puts interleaving paper when rolling is put and isolates.
Hot pressing is 20 seconds under 180 ℃ of 3mpa pressure, obtains stripping strength 11N/mm, conducting resistance 6 Ω, insulation resistance 7 * 10
11Ω.
Embodiment 3
Add carboxyl nitrile rubber 240 grams (12 parts) at reactor, add 2040 gram toluene/butanone mixed solvents and stir dissolving down, Controllable Temperature is built in below 30 ℃, add 200 gram (10 parts) E-44 Resins, epoxy then, 80 gram (4 parts) E-20 Resins, epoxy, stirring and dissolving add 60 gram (3 parts) conducting particless, after stirring by three moving degree of freedom whipping apptss, temperature drops to normal temperature, and adding 160 (8 parts) DBLP3932 solidifying agent stirs at normal temperatures and obtains the 2780g glue.
Be applied on the coating machine on the surface-treated polyester film, 80 ℃ of drying tunnel temperature controls, by 4.5 meters/minute, by the rolling of 5 minutes drying tunnel time to interleaving paper.Under 180 ℃, 3mpa pressure, obtained stripping strength 10N/mm, conducting resistance 3 Ω, insulation resistance 2 * 10 in 20 seconds
11Ω.
Embodiment four:
In reactor, add carboxyl nitrile rubber 240 grams (12 parts), add 2040 gram toluene/butanone mixed solvents, stir dissolving down, Controllable Temperature is built in below 40 ℃, add 200 gram (10 parts) E-42 Resins, epoxy, 80 grams (4 parts) then, E-12 Resins, epoxy, stirring and dissolving add 40 gram (2 parts) conducting particless.The back temperature that stirs is reduced to room temperature, and adding 160 gram (8 parts) DBLP-3932 solidifying agent at room temperature stir and obtain the 2760g glue.
Be applied on the coating machine on the surface-treated polyester film, drying tunnel temperature is controlled at and passes through 4 meters/minute of speed about 90 ℃, by 6 minutes drying tunnel time, puts interleaving paper during volume and isolates.180 ℃, hot pressing is 20 seconds under the 3mpa pressure, stripping strength 10N/mm, conducting resistance 5 Ω, insulation resistance 5 * 10
11Ω.
From the contrast of the foregoing description 2 and embodiment 1 as can be seen, reduce E-20 Resins, epoxy after performance variation not too obvious, up to its content being reduced to 0.If but the increase of its content too much, then stripping strength can reduce, and experimental results show that to be no more than 6 parts to be advisable.
Comparative example one: in reactor, add carboxyl nitrile rubber 240 grams (12 parts), add 2040 gram toluene/butanone mixed solvents, stir dissolving down, Controllable Temperature is built in below 40 ℃, add 200 gram (10 parts) E-44 Resins, epoxy, 80 grams (4 parts) then, E-20 Resins, epoxy, stirring and dissolving add 30 gram (1.5 parts) conducting particless.The back temperature that stirs is reduced to room temperature, and adding 160 gram (8 parts) DBLP-3932 solidifying agent at room temperature stir and obtain the 2750g glue.
Be applied on the coating machine on the surface-treated polyester film, drying tunnel temperature is controlled at and passes through 4 meters/minute of speed about 90 ℃, by 6 minutes drying tunnel time, puts interleaving paper during volume and isolates.180 ℃, hot pressing is 20 seconds under the 3mpa pressure, stripping strength 10N/mm, conducting resistance 120 Ω, insulation resistance 8 * 10
11Ω.Conduction property can not meet the demands.
Comparative example two: in reactor, add carboxyl nitrile rubber 240 grams (12 parts), add 2040 gram toluene/butanone mixed solvents, stir dissolving down, Controllable Temperature is built in below 40 ℃, add 200 gram (10 parts) E-44 Resins, epoxy, 80 grams (4 parts) then, E-20 Resins, epoxy, stirring and dissolving add 70 gram (3.5 parts) conducting particless.The back temperature that stirs is reduced to room temperature, and adding 160 gram (8 parts) DBLP-3932 solidifying agent at room temperature stir and obtain the 2790g glue.
Be applied on the coating machine on the surface-treated polyester film, drying tunnel temperature is controlled at and passes through 4 meters/minute of speed about 90 ℃, by 6 minutes drying tunnel time, puts interleaving paper during volume and isolates.180 ℃, hot pressing is 20 seconds under the 3mpa pressure, stripping strength 10N/mm, conducting resistance 3 Ω, insulation resistance 0.1 * 10
11Ω.Insulating property can not meet the demands.
From the contrast of the foregoing description and comparative example as can be seen, increase the content of conducting particles, when conducting resistance reduced, insulation resistance is also corresponding to be reduced.Therefore its content should not blindly be added, and is advisable with no more than 3.5 parts; If but content very little then conductivity can be not enough, is advisable to be no less than 1.5 parts.
Claims (3)
1, a kind of manufacture method of each diversity conductive adhesive film, by Resins, epoxy, thermoplastic elastomer, latent curing agent, conducting particles and solvent form glue through being coated with drying, obtain described conductive adhesive film after cutting, feature is: described Resins, epoxy is mixed by liquid bisphenol A epoxide resin and solid bisphenol A epoxy resin, described thermoplastic elastomer is the carboxyl nitrile rubber, described latent curing agent is little encapsulate capsule long-chain imdazole derivatives, conducting particles is the polystyrene mixing microballoon of granularity 4-6 μ m nickel plating/gold, and solvent is toluene/butanone (3: 0.9-3: 1.1) mixed solvent.
2, the manufacture method of a kind of each diversity conductive adhesive film as claimed in claim 1 is characterized in that: the usage ratio parts by weight of described each composition are:
E-44 Resins, epoxy 8-15 part;
E-20 Resins, epoxy 0-6 part;
Carboxyl nitrile rubber 6-15 part;
DBS-03 solidifying agent 6-15 part;
Hybrid conductive particle 1.5-3.5 part;
Be made into 30-40% solution after adding toluene/butanone solvent.
3, the manufacture method of a kind of each diversity conductive adhesive film as claimed in claim 2, it is characterized in that its technological process is: in reactor, add carboxyl nitrile rubber, toluene/butanone mixed solvent by above-mentioned prescription, stirring and dissolving adds Resins, epoxy again, stirring and dissolving adds conducting particles, evenly stir at whipping appts, adding solidifying agent at last dissolves evenly again, be coated with after the stirring, 80 ℃-100 ℃ of coating temperatures, divide clock time by 5-7, be applied on the surface-treated polyester film, with separating paper isolation carrying out rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022028 CN1260317C (en) | 2004-03-11 | 2004-03-11 | Preparation precess of anisotropic conductive coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022028 CN1260317C (en) | 2004-03-11 | 2004-03-11 | Preparation precess of anisotropic conductive coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1560168A true CN1560168A (en) | 2005-01-05 |
| CN1260317C CN1260317C (en) | 2006-06-21 |
Family
ID=34440987
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410022028 Expired - Fee Related CN1260317C (en) | 2004-03-11 | 2004-03-11 | Preparation precess of anisotropic conductive coating |
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| CN (1) | CN1260317C (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148571B (en) * | 2007-10-19 | 2010-10-06 | 东华大学 | Fire resistant epoxy conducting adhesive and preparation method thereof |
| CN101717557B (en) * | 2008-10-09 | 2011-07-20 | 北京印刷学院 | Hot curing conductive silver slurry for manufacturing radio frequency identification (RFID) tag antenna |
| CN101178948B (en) * | 2006-10-31 | 2012-02-01 | 第一毛织株式会社 | Anisotropic conductive film composition |
| CN102391807A (en) * | 2011-07-06 | 2012-03-28 | 上海上大瑞沪微***集成技术有限公司 | Preparation method of rapidly solidified anisotropic conductive adhesive |
| CN102417804A (en) * | 2010-09-28 | 2012-04-18 | 比亚迪股份有限公司 | Adhesive, its preparation method and application method |
| CN102446575A (en) * | 2010-10-06 | 2012-05-09 | 郭昌恕 | Composition for sintering molding and sintering molding method |
| CN101392154B (en) * | 2007-09-20 | 2012-06-13 | 第一毛织株式会社 | Anisotropic conductive adhesive composition and anisotropic conductive film comprising the same |
| CN102176481B (en) * | 2006-04-26 | 2013-06-05 | 日立化成株式会社 | Adhesive tape and solar cell module using the same |
| CN103184017A (en) * | 2013-03-01 | 2013-07-03 | 广东丹邦科技有限公司 | Additive for anisotropic conductive adhesives and preparation method thereof |
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