CN102807838A - Double-component electric conduction adhesive and preparation method thereof - Google Patents
Double-component electric conduction adhesive and preparation method thereof Download PDFInfo
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- CN102807838A CN102807838A CN2011101434979A CN201110143497A CN102807838A CN 102807838 A CN102807838 A CN 102807838A CN 2011101434979 A CN2011101434979 A CN 2011101434979A CN 201110143497 A CN201110143497 A CN 201110143497A CN 102807838 A CN102807838 A CN 102807838A
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Abstract
The invention provides a double-component electric conductive adhesive and a preparation method thereof, wherein a chemical reaction method and a physical mixing method are combined to prepare the double-component electric conductive adhesive, the double-component electric conductive adhesive has a double-component form, and characteristics of convenience and rapidness are provided. According to the present invention, room temperature curing can be achieved through mixing by using a stirrer, vacuum refrigeration is not required, and inert gas protection is not required; and the adhesive has characteristics of short surface drying time, high adhesion strength, strong electrical conductivity, good reliability, and strong applicability, is convenient for automatic flow processes of production lines, is a novel electronic component line assembly material, and is used for places requiring turned-on circuit in electrical and electronic assembly processes, wherein adhesion is adopted to replace welding.
Description
Technical field
The present invention relates to a kind of adhesive material, particularly a kind of pair of component electroconductive binder and preparation method thereof.
Background technology
Conventional conductive tackiness agent major part is a mechanism with the base mateiral condensation reaction, to promote conductivity.In the production process, do not receive extraneous influence of moisture to become a big difficult point, simultaneously also must vacuum or protection of inert gas in the storage process.The conventional conductive tackiness agent must refrigerate in sealing at present, the memory cycle weak point, and work-ing life is low, and must stir before using, and repeatedly uses the back to conduct electricity and the adhesive property instability.
Summary of the invention
The technical problem that the present invention solved is to overcome present electroconductive binder complex manufacturing, and storage condition is harsh, and method of use tradition, and problem such as unstable properties provide a kind of pair of component electroconductive binder.Electroconductive binder is the single-component product in the market, must sealing refrigerate, and uses extremely inconvenient; Repeatedly use the back product performance to descend, bicomponent structural of the present invention will vulcanize with catalyst component and effectively separate, and can not produce moisture absorption exsiccation phenomenon; Convenient and swift, what how many instant bondings immediately that stirs promptly stir with; The surplus products sealing is preserved and is got final product, and does not influence quality.
Another object of the present invention provides the preparation method of above-mentioned pair of component electroconductive binder.
A kind of pair of component electroconductive binder, said tackiness agent comprise component A and component B, and said component A is processed by the material of following parts by weight:
Base mateiral: 10-100 part;
Conductive particle: 100-800 part;
Solvent: 50-100 part;
Tackifier: 0.5-10.0 part;
Vulcanizing agent: 5-10 part;
Said component B is processed by the material of following parts by weight:
Base mateiral: 10-100 part;
Conductive particle: 100-800 part;
Solvent: 50-100 part;
Catalyzer: 5-10 part;
Coupling agent: 0.5-3.0 part;
Inhibitor: 1.0-5.0 part.
Wherein said base mateiral is selected from one or more in vinylsiloxane rubber, methyl silicone rubber and the modified silicon rubber; Conductive particle is selected from one or more in the electronplate of gold and silver, copper, aluminum metal ion, graphite and thomel and fiber.Preferred silver plated fiber.
Of the present invention pair of component electroconductive binder, said tackifier are selected from one or more in N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan, silicon-dioxide, chain alkyl Trimethoxy silane, hmds (nitrogen) alkane, the tetramethyl-tetrem thiazolinyl cyclotetrasiloxane.Preferred tetramethyl-tetrem thiazolinyl cyclotetrasiloxane, silicon-dioxide.
Of the present invention pair of component electroconductive binder, said vulcanizing agent are selected from one or more in containing hydrogen silicone oil, the platinum metals catalyst based, two 24, two 25.Preferred containing hydrogen silicone oil.
Of the present invention pair of component electroconductive binder, said coupling agent is selected from one or more in vinyltriethoxysilane, titanate coupling agent, vinyltrimethoxy silane, the aluminate coupling agent.The preferred vinyl Trimethoxy silane.
Of the present invention pair of component electroconductive binder, said inhibitor are selected from one or more in carbohydrazide, trihydroxybenzene, cyclohexanedione, cyclo-hexylamine, the quaternary phenylenediamine.Preferred carbohydrazide.
It is catalyst based, two two or four that of the present invention pair of component electroconductive binder, said catalyzer are selected from the platinum metals, one or more in two two or five, the organotin.Preferred platinum catalyst.
Of the present invention pair of component electroconductive binder, said solvent is selected from one or more in Ding Kajibi alcohol, acetone, YLENE, the alcohol.
The preparation method of above-mentioned pair of component electroconductive binder comprises the steps:
(1) preparation component A:
Base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; In mixture before the tackifier adding, mix; Prepare vulcanizing agent, add in the said mixture, stir; Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component A pipes, sealing is preserved;
(2) preparation component B:
Base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; In mixture before the coupling agent adding, mix; In mixture before the inhibitor adding, catalyzer is added in the said mixture, stir; Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component B pipes, sealing is preserved.
The of the present invention pair of component electroconductive binder combines with the physical mixed method with the method for chemical reaction and process, and constitutes with two component forms, and be convenient and swift.Through whisking appliance mixing ambient temperature curable, do not need vacuum cold, yet not blanketing with inert gas.Have that surface drying time is short, bonding strength is high, electroconductibility is strong, good reliability; Suitability is strong, is convenient to the operation of production line automatic streamline, is a kind of novel electronic components and parts circuit fabricated material; Be used for electrical equipment and electronic assemblies process needs and connect the place of circuit, with sticking generation weldering.
According to a kind of embodiment of the present invention, the formula constituent A of a preferred implementation of of the present invention pair of component electroconductive binder is:
| Type | Concrete material | Consumption (parts by weight) |
| Base mateiral | Watt gram R401-50 silica gel | 10-100 part |
| Conductive particle | Silver plated fiber | 100-800 part |
| Solvent | Ding Kajibi alcohol | 50-100 part |
| Tackifier | Tetramethyl-tetrem thiazolinyl cyclotetrasiloxane | 0.5-5.0 part |
| Vulcanizing agent | Hydrogen content 1.5% silicone oil | 5-10 part |
| Tackifier | Silicon-dioxide | 0.5-5.0 part |
Electroconductive binder screening formulation component B is:
| Type | Concrete material | Consumption |
| Base mateiral | Watt gram R401-50 silica gel | 10-100 part |
| Conductive particle | Silver plated fiber | 100-800 part |
| Solvent | Ding Kajibi alcohol | 50-100 part |
| Catalyzer | Platinum catalyst | 5-10 part |
| Coupling agent | Vinyltrimethoxy silane | 0.5-3.0 part |
| Inhibitor | Carbohydrazide | 1.0-5.0 part |
Of the present invention pair of component electroconductive binder has the following advantages:
1, electroconductive binder is the single-component product on the market, must sealing refrigerate, and uses extremely inconvenient; Repeatedly use the back product performance to descend, bicomponent structural is convenient and swift, the instant bonding of instant stirring; What what promptly stir with, and the surplus products sealing is preserved and is got final product, and does not influence quality;
2, this product dilutes with solvent, thereby good coating operability is provided;
3, parts fixing after, tackiness agent can not produce that gas generates and the conduction that forms thermal conductivity and excellent electric conductivity is connected.
4, special reaction mechanism makes its production machine storage all not receive influence of moisture, without vacuum or protection of inert gas, as long as the non-volatile solvent of sealing.
The raw material that uses among the present invention all has commercially available.
Embodiment
For further specifying the present invention, specify in conjunction with following examples:
Embodiment 1:
A kind of pair of component electroconductive binder is made up of component A and component B,
Component A is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Watt gram R401-50 silica gel | 100 parts |
| Conductive particle | Silver plated fiber | 350 parts |
| Solvent | Ding Kajibi alcohol | 100 parts |
| Tackifier | Tetramethyl-tetrem thiazolinyl cyclotetrasiloxane | 3.0 part |
| Vulcanizing agent | Hydrogen content 1.5% silicone oil | 5.0 part |
| Tackifier | Silicon-dioxide | 2.0 part |
Component B is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Watt gram R401-50 silica gel | 100 parts |
| Conductive particle | Silver plated fiber | 350 parts |
| Solvent | Ding Kajibi alcohol | 100 parts |
| Catalyzer | Platinum catalyst | 5.0 part |
| Coupling agent | Vinyltrimethoxy silane | 1.0 part |
| Inhibitor | Carbohydrazide | 1.0 part |
The preparation method of electroconductive binder comprises the steps:
Component A:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture;
Prepare tackifier, in the mixture, mix before tackifier are added.Prepare vulcanizing agent, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed;
Quantitatively change mixture over to two component A pipes, sealing is preserved.
Component B:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; Prepare coupling agent, in the mixture, mix before coupling agent is added.Prepare inhibitor, in the mixture, prepare catalyzer before inhibitor is added, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component B pipes, sealing is preserved.
Embodiment 2:
A kind of pair of component electroconductive binder is made up of component A and component B,
Component A is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Watt gram R401-50 silica gel | 100 parts |
| Conductive particle | Silver plated fiber | 350 parts |
| Solvent | Ding Kajibi alcohol | 100 parts |
| Tackifier | Tetramethyl-tetrem thiazolinyl cyclotetrasiloxane | 3.0 part |
| Vulcanizing agent | Hydrogen content 1.5% silicone oil | 5.0 part |
| Tackifier | Silicon-dioxide | 2.0 part |
Component B is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Watt gram R401-50 silica gel | 100 parts |
| Conductive particle | Silver plated fiber | 350 parts |
| Solvent | Ding Kajibi alcohol | 100 parts |
| Catalyzer | Platinum catalyst | 5.0 part |
| Coupling agent | Vinyltrimethoxy silane | 1.0 part |
| Inhibitor | Carbohydrazide | 1.5 part |
The preparation method of electroconductive binder comprises the steps:
Component A:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture;
Prepare tackifier, in the mixture, mix before tackifier are added.Prepare vulcanizing agent, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed;
Quantitatively change mixture over to two component A pipes, sealing is preserved.
Component B:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; Prepare coupling agent, in the mixture, mix before coupling agent is added.Prepare inhibitor, in the mixture, prepare catalyzer before inhibitor is added, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component B pipes, sealing is preserved.
Embodiment 3:
A kind of pair of component electroconductive binder is made up of component A and component B,
Component A is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Watt gram R401-50 silica gel | 100 parts |
| Conductive particle | Silver plated fiber | 350 parts |
| Solvent | Ding Kajibi alcohol | 100 parts |
| Tackifier | Tetramethyl-tetrem thiazolinyl cyclotetrasiloxane | 3.0 part |
| Vulcanizing agent | Hydrogen content 1.5% silicone oil | 5.0 part |
| Tackifier | Silicon-dioxide | 2.0 part |
Component B is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Watt gram R401-50 silica gel | 100 parts |
| Conductive particle | Silver plated fiber | 350 parts |
| Solvent | Ding Kajibi alcohol | 100 parts |
| Catalyzer | Platinum catalyst | 5.0 part |
| Coupling agent | Vinyltrimethoxy silane | 1.0 part |
| Inhibitor | Carbohydrazide | 2.0 part |
The preparation method of electroconductive binder comprises the steps:
Component A:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture;
Prepare tackifier, in the mixture, mix before tackifier are added.Prepare vulcanizing agent, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed;
Quantitatively change mixture over to two component A pipes, sealing is preserved.
Component B:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; Prepare coupling agent, in the mixture, mix before coupling agent is added.Prepare inhibitor, in the mixture, prepare catalyzer before inhibitor is added, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component B pipes, sealing is preserved.
Embodiment 4:
A kind of pair of component electroconductive binder is made up of component A and component B,
Component A is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Vinylsiloxane rubber | 100 parts |
| Conductive particle | Thomel | 350 parts |
| Solvent | YLENE | 100 parts |
| Tackifier | Tetramethyl-tetrem thiazolinyl cyclotetrasiloxane | 3.0 part |
| Vulcanizing agent | Hydrogen content 1.5% silicone oil | 5.0 part |
| Tackifier | Silicon-dioxide | 2.0 part |
Component B is processed by following material:
| Type | Concrete material | Consumption (weight part) |
| Base mateiral | Vinylsiloxane rubber | 100 parts |
| Conductive particle | Thomel | 350 parts |
| Solvent | YLENE | 100 parts |
| Catalyzer | Platinum catalyst | 5.0 part |
| Coupling agent | Vinyltrimethoxy silane | 1.0 part |
| Inhibitor | Quaternary phenylenediamine | 1.5 part |
The preparation method of electroconductive binder comprises the steps:
Component A:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture;
Prepare tackifier, in the mixture, mix before tackifier are added.Prepare vulcanizing agent, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed;
Quantitatively change mixture over to two component A pipes, sealing is preserved.
Component B:
Prepare base mateiral and conductive particle, base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; Prepare coupling agent, in the mixture, mix before coupling agent is added.Prepare inhibitor, in the mixture, prepare catalyzer before inhibitor is added, add in the said mixture, stir.Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component B pipes, sealing is preserved.
Two component electroconductive binders of above-mentioned each embodiment are tested as follows:
After test, the resistance of product has only slight increase, and minimum with instance three prescription resistance increases, this prescription has the conductivity of stabilizer pole.The conventional conductive material is after process is hot and humid, and change in resistance is more than 200%.
Electroconductive binder is the single-component product in the market, must sealing refrigerate, and uses extremely inconvenient; Repeatedly use the back product performance to descend, this bicomponent structural will vulcanize with catalyst component and effectively separate, and can not produce moisture absorption exsiccation phenomenon; Convenient and swift, what how many instant bondings immediately that stirs promptly stir with; The surplus products sealing is preserved and is got final product, and does not influence quality.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (8)
1. two component electroconductive binder, it is characterized in that: said tackiness agent comprises component A and component B, said component A is processed by the material of following parts by weight:
Base mateiral: 10-100 part;
Conductive particle: 100-800 part;
Solvent: 50-100 part;
Tackifier: 0.5-10.0 part;
Vulcanizing agent: 5-10 part;
Said component B is processed by the material of following parts by weight:
Base mateiral: 10-100 part;
Conductive particle: 100-800 part;
Solvent: 50-100 part;
Catalyzer: 5-10 part;
Coupling agent: 0.5-3.0 part;
Inhibitor: 1.0-5.0 part.
Wherein said base mateiral is selected from one or more in vinylsiloxane rubber, methyl silicone rubber and the modified silicon rubber; Conductive particle is selected from one or more in the electronplate of gold and silver, copper, aluminum metal ion, graphite and thomel and fiber.
2. according to claim 1 pair of component electroconductive binder is characterized in that: said tackifier are selected from one or more in N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan, silicon-dioxide, chain alkyl Trimethoxy silane, hmds (nitrogen) alkane, the tetramethyl-tetrem thiazolinyl cyclotetrasiloxane.
3. according to claim 1 pair of component electroconductive binder is characterized in that: said vulcanizing agent is selected from one or more in containing hydrogen silicone oil, the platinum metals catalyst based, two 24, two 25.
4. according to claim 1 pair of component electroconductive binder, it is characterized in that: said coupling agent is selected from one or more in vinyltriethoxysilane, titanate coupling agent, vinyltrimethoxy silane, the aluminate coupling agent.
5. according to claim 1 pair of component electroconductive binder is characterized in that: said inhibitor is selected from one or more in carbohydrazide, trihydroxybenzene, cyclohexanedione, cyclo-hexylamine, the quaternary phenylenediamine.
6. according to claim 1 pair of component electroconductive binder is characterized in that: it is catalyst based, two two or four that said catalyzer is selected from the platinum metals, one or more in two two or five, the organotin.
7. according to claim 1 pair of component electroconductive binder, it is characterized in that: said solvent is selected from one or more in Ding Kajibi alcohol, acetone, YLENE, the alcohol.
8. the preparation method of described pair of component electroconductive binder of claim 1 is characterized in that: comprise the steps:
(1) preparation component A:
Base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; In mixture before the tackifier adding, mix; Prepare vulcanizing agent, add in the said mixture, stir; Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component A pipes, sealing is preserved;
(2) preparation component B:
Base mateiral and conductive particle are mixed, in airtight pressurizing vessel, be uniformly dispersed, obtain a mixture; In mixture before the coupling agent adding, mix; In mixture before the inhibitor adding, catalyzer is added in the said mixture, stir; Solvent is added mixture, be uniformly dispersed; Quantitatively change mixture over to two component B pipes, sealing is preserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101434979A CN102807838A (en) | 2011-05-31 | 2011-05-31 | Double-component electric conduction adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101434979A CN102807838A (en) | 2011-05-31 | 2011-05-31 | Double-component electric conduction adhesive and preparation method thereof |
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| CN102807838A true CN102807838A (en) | 2012-12-05 |
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| CN2011101434979A Pending CN102807838A (en) | 2011-05-31 | 2011-05-31 | Double-component electric conduction adhesive and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105199623A (en) * | 2015-10-30 | 2015-12-30 | 深圳德邦界面材料有限公司 | Double-component addition type anti-sedimentation conductive silicone rubber and preparation method thereof |
| WO2017035694A1 (en) * | 2015-08-28 | 2017-03-09 | E.I. Du Pont De Nemours And Company | Electrically conductive adhesives |
| CN106626580A (en) * | 2015-10-28 | 2017-05-10 | 财团法人工业技术研究院 | Composite laminated plate |
| US10629323B2 (en) | 2015-08-28 | 2020-04-21 | Dupont Electronics, Inc. | Electrically conductive adhesives |
| US10967428B2 (en) | 2015-08-28 | 2021-04-06 | Dupont Electronics, Inc. | Coated copper particles and use thereof |
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| CN101597430A (en) * | 2009-07-03 | 2009-12-09 | 广东信力特种橡胶制品有限公司 | A kind of preparation method of filled-type thermally conductive silicone rubber composite material |
| CN101962528A (en) * | 2010-09-30 | 2011-02-02 | 烟台德邦科技有限公司 | Two-component sealing silica gel with low viscosity and high thermal conductivity and preparation method theref |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101597430A (en) * | 2009-07-03 | 2009-12-09 | 广东信力特种橡胶制品有限公司 | A kind of preparation method of filled-type thermally conductive silicone rubber composite material |
| CN101962528A (en) * | 2010-09-30 | 2011-02-02 | 烟台德邦科技有限公司 | Two-component sealing silica gel with low viscosity and high thermal conductivity and preparation method theref |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017035694A1 (en) * | 2015-08-28 | 2017-03-09 | E.I. Du Pont De Nemours And Company | Electrically conductive adhesives |
| US10611931B2 (en) | 2015-08-28 | 2020-04-07 | Dupont Electronics, Inc. | Electrically conductive adhesives |
| US10629323B2 (en) | 2015-08-28 | 2020-04-21 | Dupont Electronics, Inc. | Electrically conductive adhesives |
| US10967428B2 (en) | 2015-08-28 | 2021-04-06 | Dupont Electronics, Inc. | Coated copper particles and use thereof |
| CN106626580A (en) * | 2015-10-28 | 2017-05-10 | 财团法人工业技术研究院 | Composite laminated plate |
| US10751975B2 (en) | 2015-10-28 | 2020-08-25 | Industrial Technology Research Institute | Composite laminate |
| CN105199623A (en) * | 2015-10-30 | 2015-12-30 | 深圳德邦界面材料有限公司 | Double-component addition type anti-sedimentation conductive silicone rubber and preparation method thereof |
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Application publication date: 20121205 |