CN102368388B - Conductive slurry and preparation method thereof - Google Patents
Conductive slurry and preparation method thereof Download PDFInfo
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- CN102368388B CN102368388B CN 201110255036 CN201110255036A CN102368388B CN 102368388 B CN102368388 B CN 102368388B CN 201110255036 CN201110255036 CN 201110255036 CN 201110255036 A CN201110255036 A CN 201110255036A CN 102368388 B CN102368388 B CN 102368388B
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Abstract
The invention discloses a conductive slurry and a preparation method thereof. The conductive slurry comprises the following raw materials: metal powder, attapulgite, a straw ash, a polyamide resin, a phenolic resin, a fatty acid ester, an aliphatic acid, epoxypropyl phenyl ether, methyl triethoxysilane, a thickening agent, a dispersing agent and a leveling agent; and the above-mentioned raw materials are mixed and stirred according to certain parts by weight so as to obtain a conductive slurry. According to the invention, the preparation method is simple; the operation is convenient and the formula is reasonable. In addition, the prepared conductive slurry can be widely applied to production of membrane switches, circuits and circuit boards and the like; moreover, the conductive slurry is free of harmful substances and is in accordance with national standards.
Description
Technical field
The present invention relates to a kind of electrocondution slurry and preparation method thereof, belong to addition type electric slurry field.
Background technology
Conductive carbon paste is a kind of addition type electric slurry.It is mainly used in the directions such as thin film switch, flexible circuit.Along with the emergence of China's silk screen printing and flexible circuitry board industry, the research and development of the electrocondution slurry that the soft circuit of film is used also more and more receives publicity.Over the last couple of decades conductive carbon paste there has been more deep research in Japan and western developed country, and has had product to be applied to reality with different trade names.In China, conductive carbon paste also progressively enters the industrialization stage, and a large amount of thin film switch manufacturer of the Delta of the Pearl River is exactly one of huge customers of conductive carbon paste.At present, environmental protection is the common topic of paying close attention to of the people of the world, and all trades and professions of every country are attaching importance to environmental protections more and more all also.From 2009, European Union member countries carried out halogen restriction decree one after another, limited the content of halogen in the electronic product that enters European Union member countries.And be mainly used in conductive carbon paste in the thin film switch, also will progressively realize non-halogen.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of electrocondution slurry and preparation method thereof.
The present invention adopts following technical scheme to achieve these goals:
Electrocondution slurry is characterized in that the weight portion of its constitutive material is: metal dust 15-30 part, attapulgite 2-5 part, stalk ashes 1-3 part, polyamide 10-20 part, phenolic resins 10-15 part, fatty acid ester 5-10 part, aliphatic acid 30-40 part, expoxy propane phenyl ether 5-10 part, methyl triacetoxysilane 15-25 part, thickener 5-10 part, dispersant 5-10 part and levelling agent 5-10 part.
Described electrocondution slurry is characterized in that: described metal dust is selected from a kind of or its mixture in silver powder, copper powder, aluminium powder and the nickel powder.
Described electrocondution slurry is characterized in that: described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600, and thickener is selected from the molten expansion emulsus of alkali thickener.
The preparation method of electrocondution slurry is characterized in that may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, aliphatic acid, expoxy propane phenyl ether and the fatty acid ester mixed at high speed of constitutive material, obtains organic carrier;
(2) press weight portion mixed metal powder, phenolic resins and the polyamide of constitutive material, obtain mixed liquor;
(3) mixed liquor in the step (2) is joined in the organic carrier in the step (1), and add thickener, dispersant and levelling agent, obtain electrocondution slurry through stirring, grinding.
Beneficial effect of the present invention:
Preparation method of the present invention is simple, and is easy to operate, and prescription is reasonable, and the electrocondution slurry that the present invention makes can be widely used in the productions such as thin film switch, circuit and circuit board, and the electrocondution slurry unharmful substance, meets national standard.
Embodiment
Embodiment 1:Electrocondution slurry, the weight portion of its constitutive material is: 8 parts of 20 parts of silver powder, 3 parts of attapulgites, 2 parts in stalk ashes, 15 parts of polyamides, 12 parts in phenolic resins, 8 parts of fatty acid esters, 35 parts in aliphatic acid, 8 parts of expoxy propane phenyl ethers, 20 parts of methyl triacetoxysilanes, 8 parts of thickeners, 8 parts of dispersants and levelling agents.
Described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600, and thickener is selected from the molten expansion emulsus of alkali thickener.
The preparation method of electrocondution slurry may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, aliphatic acid, expoxy propane phenyl ether and the fatty acid ester mixed at high speed of constitutive material, obtains organic carrier;
(2) press weight portion combined silver powder, phenolic resins and the polyamide of constitutive material, obtain mixed liquor;
(3) mixed liquor in the step (2) is joined in the organic carrier in the step (1), and add thickener, dispersant and levelling agent, obtain electrocondution slurry through stirring, grinding.
Embodiment 2:Electrocondution slurry, the weight portion of its constitutive material is: 5 parts of 20 parts of copper powders may, 4 parts of attapulgites, 3 parts in stalk ashes, 15 parts of polyamides, 12 parts in phenolic resins, 10 parts of fatty acid esters, 35 parts in aliphatic acid, 8 parts of expoxy propane phenyl ethers, 20 parts of methyl triacetoxysilanes, 5 parts of thickeners, 6 parts of dispersants and levelling agents.
Dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600, and thickener is selected from the molten expansion emulsus of alkali thickener.
The preparation method of electrocondution slurry may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, aliphatic acid, expoxy propane phenyl ether and the fatty acid ester mixed at high speed of constitutive material, obtains organic carrier;
(2) press weight portion mixed copper powder, phenolic resins and the polyamide of constitutive material, obtain mixed liquor;
(3) mixed liquor in the step (2) is joined in the organic carrier in the step (1), and add thickener, dispersant and levelling agent, obtain electrocondution slurry through stirring, grinding.
Embodiment 3:Electrocondution slurry, the weight portion of its constitutive material is: 7 parts of 20 parts of aluminium powders, 5 parts of attapulgites, 3 parts in stalk ashes, 20 parts of polyamides, 15 parts in phenolic resins, 10 parts of fatty acid esters, 40 parts in aliphatic acid, 10 parts of expoxy propane phenyl ethers, 25 parts of methyl triacetoxysilanes, 10 parts of thickeners, 8 parts of dispersants and levelling agents.
Dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600, and thickener is selected from the molten expansion emulsus of alkali thickener.
The preparation method of electrocondution slurry may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, aliphatic acid, expoxy propane phenyl ether and the fatty acid ester mixed at high speed of constitutive material, obtains organic carrier;
(2) press weight portion aluminum mixture powder, phenolic resins and the polyamide of constitutive material, obtain mixed liquor;
(3) mixed liquor in the step (2) is joined in the organic carrier in the step (1), and add thickener, dispersant and levelling agent, obtain electrocondution slurry through stirring, grinding.
Embodiment 4:Electrocondution slurry performance test of the present invention, as follows:
1, sheet resistance is≤0.018 Ω; 2, shielding rate＞75dB; 3, adhesive force is 4.5B; 4, hardness is 2.5H; 5, bake out temperature is 60 ℃, only needs 15 minutes.
Claims (4)
1. an electrocondution slurry is characterized in that the weight portion of its constitutive material is: metal dust 15-30 part, attapulgite 2-5 part, stalk ashes 1-3 part, polyamide 10-20 part, phenolic resins 10-15 part, fatty acid ester 5-10 part, aliphatic acid 30-40 part, expoxy propane phenyl ether 5-10 part, methyl triacetoxysilane 15-25 part, thickener 5-10 part, dispersant 5-10 part and levelling agent 5-10 part.
2. electrocondution slurry according to claim 1, it is characterized in that: described metal dust is selected from a kind of or its mixture in silver powder, copper powder, aluminium powder and the nickel powder.
3. electrocondution slurry according to claim 1 is characterized in that: described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600, and thickener is selected from the molten expansion emulsus of alkali thickener.
4. the preparation method of an electrocondution slurry as claimed in claim 1 is characterized in that may further comprise the steps:
(1) it is even with attapulgite, stalk ashes, methyl triacetoxysilane, aliphatic acid, expoxy propane phenyl ether and fatty acid ester mixed at high speed to press the weight portion of constitutive material, obtains organic carrier;
(2) press weight portion mixed metal powder, phenolic resins and the polyamide of constitutive material, obtain mixed liquor;
(3) mixed liquor in the step (2) is joined in the organic carrier in the step (1), and add thickener, dispersant and levelling agent, obtain electrocondution slurry through stirring, grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110255036 CN102368388B (en) | 2011-08-31 | 2011-08-31 | Conductive slurry and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110255036 CN102368388B (en) | 2011-08-31 | 2011-08-31 | Conductive slurry and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102368388A CN102368388A (en) | 2012-03-07 |
| CN102368388B true CN102368388B (en) | 2013-03-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050167A (en) * | 2012-12-19 | 2013-04-17 | 青岛菲特电器科技有限公司 | Conductive paste |
| CN103724932B (en) * | 2013-12-26 | 2016-06-01 | 国网山东省电力公司邹城市供电公司 | A kind of resol wear-resistant switch |
| CN104376892A (en) * | 2014-10-17 | 2015-02-25 | 阜阳市节源照明电器有限责任公司 | Aluminum power/nickel powder composite conductive sliver paste and manufacturing method thereof |
| CN105086813B (en) * | 2015-09-10 | 2017-10-24 | 苏州扬子江新型材料股份有限公司 | High intensity high life titanium silvery white household electrical appliances backboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070297966A1 (en) * | 2006-06-22 | 2007-12-27 | Nissan Chemical Industries, Ltd. | Conductive tin oxide sol and process for producing same |
| CN101118932A (en) * | 2007-09-03 | 2008-02-06 | 华东理工大学 | Conductive slurry for front electrode of solar battery |
| CN101436442A (en) * | 2008-12-09 | 2009-05-20 | 彩虹集团公司 | Low-temperature conductive slurry |
| CN101800090B (en) * | 2010-03-16 | 2011-08-17 | 彩虹集团公司 | Environmental-friendly conductive sizing agent and preparation method thereof |
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Address after: 224600 Xiangshui Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu Jinyue Holding Group Co.,Ltd. Address before: 224600 Xiangshui Economic Development Zone, Yancheng City, Jiangsu Province Patentee before: Xiangshui Jinyue Construction Development Co.,Ltd. |
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