CN101792627A - Shielding electrically conductive printing ink and preparation method thereof - Google Patents
Shielding electrically conductive printing ink and preparation method thereof Download PDFInfo
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- CN101792627A CN101792627A CN 201010121371 CN201010121371A CN101792627A CN 101792627 A CN101792627 A CN 101792627A CN 201010121371 CN201010121371 CN 201010121371 CN 201010121371 A CN201010121371 A CN 201010121371A CN 101792627 A CN101792627 A CN 101792627A
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- electrically conductive
- printing ink
- conductive printing
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Abstract
The invention relates to a shielding electrically conductive printing ink and a preparation method thereof. The shielding electrically conductive printing ink is prepared by the following raw materials in percentage by mass: 20-25% of thermosetting resin, 1-6% of solvent, 70-75% of metal fibre, 1-5% of metal powder, 2-5% of curing agent and 0-1% of antioxidant. The preparation method of the electrically conductive printing ink comprises: after weighting, fully mixing the thermosetting resin, solvent, metal fibre and metal powder; grinding and dispersing for 2-5 times by a three-roll grinder to form an even mixed phase; then, adding the curing agent and antioxidant; and grinding and dispersing for 2-5 times by the three-roll grinder to form the even mixed phase so as to obtain the electrically conductive printing ink. The electrically conductive printing ink has the characteristics of high electrical conductivity, high electromagnetic shielding efficiency, simple spraying operation and the like.
Description
Technical field
The present invention relates to electrically conductive ink, particularly a kind of good electrical conductivity and electromagnetic wave shielding performance electrically conductive ink and preparation method thereof.
Background technology
Along with the fast development of modern science and technology, when high voltage power transmission and transforming circuit, computer network, mobile telephone, audio-visual equipment, microwave oven etc. bring great convenience for people's work and life, also brought a kind of novel source of pollution-electromagnetic radiation.Though electromagnetic radiation cannot see, touch less than, just affecting human beings'health, production and life.In recent years, along with the development of electron trade, the increase of electronic product, electron radiation pollutes and electronic waste has increasing influence to environment.
Shielding electrically conductive printing ink is exactly a kind of paint that can be used to spray, and can play the effect of conduction behind the dry formation paint film, thus shielding electromagnetic wave interferential function.It is widely used in the EMI shielding of communication goods (mobile telephone), computer (notebook), portable type electronic product, consumer electronics, the network hardware (server etc.), Medical Instruments, domestic electronic appliances and electronicss such as space flight and national defence.The spraying electrically conductive ink has solved because of doing the restriction that metallic shield is subjected to space constraint, operation, cost pressure.Because of its electrically conductive ink spraying is operated extremely simple, need only in plastic shell, spray very thin one deck electric conduction paint with the surface lacquer operation is the same, accomplish the plastic cement metallization, had characteristics such as high conductivity, high electromagnetic shielding efficiency, and received increasing the concern and popularization.Replaced the technology of pasting tinfoil paper, copper paper in the past, doing metallic shield gradually.
Conventional electrocondution slurry mostly is by resin auxiliary agent, metal-powder and solvent composition.Metal-powder does not well fully contact with each other, thereby does not have high performance electromagnetic wave shielding performance.
Summary of the invention
The object of the present invention is to provide a kind of good shielding electrically conductive printing ink, be widely used in the EMI shielding of communication goods (mobile telephone), computer (notebook), portable type electronic product, consumer electronics, the network hardware (server etc.), Medical Instruments, domestic electronic appliances and electronicss such as space flight and national defence.Have high conductivity, high electromagnetic shielding efficiency, spray characteristics such as simple to operate.
Another object of the present invention is to provide a kind of preparation method of shielding electrically conductive printing ink.
The objective of the invention is to be achieved through the following technical solutions, a kind of shielding electrically conductive printing ink is formed by the feedstock production of following component mass percentage content:
Thermosetting resin 20-25%;
Solvent 1-6%;
Steel fiber 70-75%;
Metal-powder 1-5%;
Solidifying agent 2-5%;
Antioxidant 0-1%.
Thorough mixing after thermosetting resin, solvent, steel fiber and the metal powder material weighing of above-mentioned mass percent is even, to use three-roll grinder to grind then and disperse 2 to 5 times, the amount of getting is that each kilogram is every all over 3-15 minute, makes it to form uniform mixed phase; The back adds the solidifying agent and the antioxidant of above-mentioned mass percent, uses three-roll grinder to grind and disperses 2 to 5 times, and each kilogram is every to make it to form uniform mixed phase all over 3-15 minute, promptly got electrically conductive ink.
Thermosetting resin described in the above-mentioned shielding electrically conductive printing ink component is selected Resins, epoxy for use.
Solvent described in the above-mentioned shielding electrically conductive printing ink component is selected high boiling solvent for use, is 1,4 butyrolactone, diethylene adipate, 2-Butoxyethyl acetate or isophorone.
Steel fiber described in the above-mentioned shielding electrically conductive printing ink component, the shielding material that ohm numerical value is low more is good more, requires the specific conductivity of shielding material higher; The copper fiber is goodish shielding material, also has silver-colored fiber, nickel fiber etc.; The radius of steel fiber is 0.1-25 μ m, and length is 1-1000 μ m.
Metal-powder described in the above-mentioned shielding electrically conductive printing ink component requires spherical powder, and radius is 0.1-10 μ m; Optional copper powder, silver powder or nickel powder.
Solidifying agent described in the above-mentioned shielding electrically conductive printing ink component is selected alkaline solidifying agent for use, is aliphatic amide, aromatic amine nitrogenous compound, and is the intermediate temperature setting agent, is diethylenetriamine, quadrol or triethylene tetramine.
Antioxidant described in the above-mentioned shielding electrically conductive printing ink component is selected the antioxidant that can prevent steel fiber and metal-powder oxidation for use, is antioxidant 264, anti-aging agent 4020 or antioxidant D NP.
This shielding electrically conductive printing ink is that the metal microfiber dispersion is made to thermosetting resin, has replaced metal-powder to do main conductive filler material with the metal primitive fiber.Conductive filler material obtains the form of the fine-fibered of metal primitive fiber like this, is interweaved together after making conductive filler material be distributed to resin, has many points to contact with each other; Can keep than the bigger conductive paths of conventional electrocondution slurry, thereby more high performance electromagnetic wave shielding performance is arranged.
Embodiment
Below by specific embodiment the present invention is described in further detail.Need to prove that following embodiment only is used to illustrate the present invention, but be not limited to practical range of the present invention.
Unless otherwise indicated, the following raw material add-on that adopts of the present invention is mass percent.
Embodiment 1
Resins, epoxy 23%;
Diethylene adipate 2%;
Copper fiber 71%;
Copper powder 1.5%;
Diethylenetriamine 2%;
Antioxidant 264 0.5%.
Take by weighing raw material epoxy resin, diethylene adipate, copper fiber, the copper powder thorough mixing of said ratio, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 3 times, make it to form uniform mixed phase; Add diethylenetriamine, antioxidant 264 again, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 3 times, make it to form uniform mixed phase, promptly get electrically conductive ink.
Embodiment 2
Resins, epoxy 21%;
2-Butoxyethyl acetate 2%;
Nickel fiber 73%;
Nickel by powder 1.5%;
Diethylenetriamine 2%;
Antioxidant 264 0.5%.
Take by weighing Resins, epoxy, 2-Butoxyethyl acetate, nickel fiber and nickel by powder thorough mixing, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 4 times, make it to form uniform mixed phase; Add diethylenetriamine, antioxidant 264 again, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 4 times, make it to form uniform mixed phase, promptly get electrically conductive ink.
Embodiment 3
Resins, epoxy 20%;
1,4 butyrolactone 2%;
Silver fiber 75%;
Silver powder 1%;
Diethylenetriamine 2%.
Take by weighing Resins, epoxy, 1,4 butyrolactone, silver-colored fiber and silver powder thorough mixing, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 2 times, make it to form uniform mixed phase; Add diethylenetriamine again, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 2 times, make it to form uniform mixed phase, promptly get electrically conductive ink.
Embodiment 4
Resins, epoxy 25%;
Diethylene adipate 1%
Copper fiber 70%
Copper powder 1%
Triethylene tetramine 2.5%
Anti-aging agent 4,020 0.5%.
Take by weighing Resins, epoxy, diethylene adipate, copper fiber and the copper powder thorough mixing, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and to disperse (one kilogram is every all over 3-15 minute) 5 times, make it to form uniform mixed phase; Add triethylene tetramine, anti-aging agent 4020 again, grind with three-roll grinder (SDV1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 5 times, make it to form uniform mixed phase, promptly get electrically conductive ink.
Embodiment 5
Resins, epoxy 20%
Isophorone 6%
Copper fiber 70%
Copper powder 1%
Quadrol 2%
Antioxidant D NP 1%.
Take by weighing Resins, epoxy, diethylene adipate, copper fiber and copper powder thorough mixing, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 3 times, make it to form uniform mixed phase; Add quadrol, antioxidant D NP again, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 3 times, make it to form uniform mixed phase, promptly get electrically conductive ink.
Embodiment 6
Resins, epoxy 20%
Diethylene adipate 3%
Copper fiber 70%
Copper powder 1%
Quadrol 5%
Antioxidant D NP 1%.
Take by weighing Resins, epoxy, isophorone, copper fiber and copper powder thorough mixing, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 3 times, make it to form uniform mixed phase; Add quadrol, antioxidant D NP again, grind with three-roll grinder (SDV 1300, Switzerland's cloth are reined in) and disperse (one kilogram every all over 3-15 minute) 3 times, make it to form uniform mixed phase, promptly get electrically conductive ink.
Solvent described in the above-mentioned shielding electrically conductive printing ink component is selected high boiling solvent for use.
Steel fiber described in the above-mentioned shielding electrically conductive printing ink component, the shielding material that ohm numerical value is low more is good more, requires the specific conductivity of shielding material higher; Above-mentioned selection copper fiber is goodish shielding material, also has silver-colored fiber, nickel fiber etc.; The radius of steel fiber is 0.1-25 μ m, and length is 1-1000 μ m.
Metal-powder described in the above-mentioned shielding electrically conductive printing ink component requires spherical powder, and radius is 0.1-10 μ m.
Solidifying agent described in the above-mentioned shielding electrically conductive printing ink component is selected alkaline solidifying agent diethylenetriamine, quadrol and triethylene tetramine for use, is aliphatic amide, aromatic amine nitrogenous compound, and is the intermediate temperature setting agent.
Antioxidant described in the above-mentioned shielding electrically conductive printing ink component is selected the antioxidant that can prevent steel fiber and metal-powder oxidation for use.
Claims (9)
1. a shielding electrically conductive printing ink is characterized in that, this electrically conductive ink is formed by the feedstock production of following mass percentage content:
Thermosetting resin 20-25%;
Solvent 1-6%;
Steel fiber 70-75%;
Metal-powder 1-5%;
Solidifying agent 2-5%;
Antioxidant 0-1%.
2. a kind of shielding electrically conductive printing ink according to claim 1 is characterized in that, described thermosetting resin is a Resins, epoxy.
3. a kind of shielding electrically conductive printing ink according to claim 1 is characterized in that, described solvent is 1,4-butyrolactone, diethylene adipate, 2-Butoxyethyl acetate or isophorone.
4. a kind of shielding electrically conductive printing ink according to claim 1 is characterized in that, described steel fiber is copper fiber, silver-colored fiber or nickel fiber; The radius of steel fiber is 0.1-25 μ m, and length is 1-1000 μ m.
5. a kind of shielding electrically conductive printing ink according to claim 1 is characterized in that, described metal-powder is copper powder, silver powder or nickel powder, and metal-powder is a spherical powder, and radius is 0.1-10 μ m.
6. a kind of shielding electrically conductive printing ink according to claim 1 is characterized in that, described solidifying agent is aliphatic amide, aromatic amine nitrogenous compound, and is the intermediate temperature setting agent.
7. a kind of shielding electrically conductive printing ink according to claim 6 is characterized in that, described aliphatic amide, aromatic amine nitrogenous compound are diethylenetriamine, quadrol or triethylene tetramine.
8. a kind of shielding electrically conductive printing ink according to claim 1 is characterized in that, described antioxidant is antioxidant 264, anti-aging agent 4020 or antioxidant D NP.
9. the preparation method of a shielding electrically conductive printing ink, it is characterized in that, this method comprises: the metal-powder thorough mixing of getting the steel fiber of solvent, 70-75 of thermosetting resin, the 1-6% of mass percent 20-25% and 1-5% is even, using three-roll grinder to grind disperses 2 to 5 times, every all over 3-15 minute/1000 grams, make it to form uniform mixed phase; Add the solidifying agent of mass percent 2-5% and the antioxidant of 0-1% then, grind with three-roll grinder and disperse 2 to 5 times, every time 3-15 minute/1000 gram makes it to form uniform mixed phase, promptly gets electrically conductive ink.
Priority Applications (1)
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| CN 201010121371 CN101792627A (en) | 2010-03-10 | 2010-03-10 | Shielding electrically conductive printing ink and preparation method thereof |
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| CN 201010121371 CN101792627A (en) | 2010-03-10 | 2010-03-10 | Shielding electrically conductive printing ink and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935480A (en) * | 2010-09-29 | 2011-01-05 | 彩虹集团公司 | Conductive ink and preparation method thereof |
| CN101935482A (en) * | 2010-09-27 | 2011-01-05 | 彩虹集团公司 | Halogen-free low-temperature electrically-conductive ink and preparation method thereof |
| CN101942287A (en) * | 2010-09-27 | 2011-01-12 | 彩虹集团公司 | Low-temperature electricity conducting glue and preparation method thereof |
| CN101974266A (en) * | 2010-09-30 | 2011-02-16 | 彩虹集团公司 | Low-temperature conductive carbon slurry and preparation method thereof |
| CN102093777A (en) * | 2010-12-30 | 2011-06-15 | 东莞市华立实业股份有限公司 | Water soluble electromagnetic wave shielding transfer printing ink and electromagnetic radiation resistant floor prepared by using same |
| CN102181250A (en) * | 2011-03-28 | 2011-09-14 | 彩虹集团公司 | Carbon black conductive adhesive and preparation method thereof |
| CN102190980A (en) * | 2011-03-28 | 2011-09-21 | 彩虹集团公司 | Low-temperature conductive adhesive and preparation method thereof |
| CN102391785A (en) * | 2011-10-18 | 2012-03-28 | 青岛华世基电子有限公司 | Air-spraying blending paint |
| WO2016018191A1 (en) * | 2014-07-29 | 2016-02-04 | Heraeus Deutschland GmbH & Co. KG | Epoxy resin-based electroconductive composition |
| US9416290B2 (en) | 2012-12-28 | 2016-08-16 | Nthdegree Technologies Worldwide Inc. | Nickel inks and oxidation resistant and conductive coatings |
| 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 |
| CN114874707A (en) * | 2022-05-26 | 2022-08-09 | 安徽晶华新材料科技有限公司 | Conductive adhesive tape |
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| CN1200389A (en) * | 1997-05-26 | 1998-12-02 | 四川联合大学 | Electromagnetic wave shielding composite coating and method for preparing same |
| WO2004086837A1 (en) * | 2003-03-25 | 2004-10-07 | Shin-Etsu Polymer Co., Ltd. | Electromagnetic noise suppressor, article with electromagnetic noise suppression function, and their manufacturing methods |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935482A (en) * | 2010-09-27 | 2011-01-05 | 彩虹集团公司 | Halogen-free low-temperature electrically-conductive ink and preparation method thereof |
| CN101942287A (en) * | 2010-09-27 | 2011-01-12 | 彩虹集团公司 | Low-temperature electricity conducting glue and preparation method thereof |
| CN101935480A (en) * | 2010-09-29 | 2011-01-05 | 彩虹集团公司 | Conductive ink and preparation method thereof |
| CN101974266B (en) * | 2010-09-30 | 2012-09-19 | 彩虹集团公司 | Low-temperature conductive carbon slurry and preparation method thereof |
| CN101974266A (en) * | 2010-09-30 | 2011-02-16 | 彩虹集团公司 | Low-temperature conductive carbon slurry and preparation method thereof |
| CN102093777A (en) * | 2010-12-30 | 2011-06-15 | 东莞市华立实业股份有限公司 | Water soluble electromagnetic wave shielding transfer printing ink and electromagnetic radiation resistant floor prepared by using same |
| CN102093777B (en) * | 2010-12-30 | 2013-04-10 | 东莞市华立实业股份有限公司 | Water soluble electromagnetic wave shielding transfer printing ink and electromagnetic radiation resistant floor prepared by using same |
| CN102190980A (en) * | 2011-03-28 | 2011-09-21 | 彩虹集团公司 | Low-temperature conductive adhesive and preparation method thereof |
| CN102181250A (en) * | 2011-03-28 | 2011-09-14 | 彩虹集团公司 | Carbon black conductive adhesive and preparation method thereof |
| CN102391785A (en) * | 2011-10-18 | 2012-03-28 | 青岛华世基电子有限公司 | Air-spraying blending paint |
| US9416290B2 (en) | 2012-12-28 | 2016-08-16 | Nthdegree Technologies Worldwide Inc. | Nickel inks and oxidation resistant and conductive coatings |
| US9815998B2 (en) | 2012-12-28 | 2017-11-14 | Printed Energy Pty Ltd | Nickel inks and oxidation resistant and conductive coatings |
| US10329444B2 (en) | 2012-12-28 | 2019-06-25 | Printed Energy Pty Ltd | Nickel inks and oxidation resistant and conductive coatings |
| US10961408B2 (en) | 2012-12-28 | 2021-03-30 | Printed Energy Pty Ltd | Nickel inks and oxidation resistant and conductive coatings |
| WO2016018191A1 (en) * | 2014-07-29 | 2016-02-04 | Heraeus Deutschland GmbH & Co. KG | Epoxy resin-based electroconductive composition |
| CN114874707A (en) * | 2022-05-26 | 2022-08-09 | 安徽晶华新材料科技有限公司 | Conductive adhesive tape |
| 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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Open date: 20100804 |