CN102368394B - Environment-friendly electroconductive slurry and preparation method thereof - Google Patents
Environment-friendly electroconductive slurry and preparation method thereof Download PDFInfo
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- CN102368394B CN102368394B CN 201110256801 CN201110256801A CN102368394B CN 102368394 B CN102368394 B CN 102368394B CN 201110256801 CN201110256801 CN 201110256801 CN 201110256801 A CN201110256801 A CN 201110256801A CN 102368394 B CN102368394 B CN 102368394B
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Abstract
The invention discloses environment-friendly electroconductive slurry and a preparation method thereof. The environment-friendly electroconductive slurry is prepared mainly by mixing and stirring constituent raw materials including electroconductive carbon powder, attapulgite clay, straw ash, acrylic ester, ethyl acetate, glycerol, epoxypropane phenyl ether, methyltriacetoxysilane, a dispersing agent and a flatting agent by a certain weight part in proportion. The preparation method disclosed by the invention is simple and is convenient to operate and reasonable in formula, and the environment-friendly electroconductive slurry obtained in the invention can be widely applied to production of thin-film switches, circuits, circuit boards and the like, contains no harmful substances and is in accordance with national standards.
Description
Technical field
The present invention relates to a kind of environmental-friendly conductive sizing agent 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 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 environmental-friendly conductive sizing agent 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 each national all trades and professions are also all more and more paid attention to environmental protection.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 the deficiencies in the prior art and defective, the object of the present invention is to provide a kind of environmental-friendly conductive sizing agent and preparation method thereof.
The present invention adopts following technical scheme to achieve these goals:
Environmental-friendly conductive sizing agent is characterized in that the weight portion of its constitutive material is: conductive carbon powder 15-30 part, attapulgite 2-5 part, stalk ashes 1-3 part, acrylate 10-15 part, ethyl acetate 5-10 part, glycerol 30-50 part, expoxy propane phenyl ether 5-10 part, methyl triacetoxysilane 20-25 part, dispersant is an amount of, levelling agent is an amount of.
Described environmental-friendly conductive sizing agent is characterized in that: the particle diameter of described conductive carbon powder is 10-80nm, and specific area is 50-300m
2/ g.
Described environmental-friendly conductive sizing agent is characterized in that: described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600.
The preparation method of described environmental-friendly conductive sizing agent 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, glycerol, expoxy propane phenyl ether and the ethyl acetate high-speed mixing of constitutive material, obtains organic carrier;
(2) press weight portion hybrid conductive carbon dust, the acrylate 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 an amount of dispersant and levelling agent, obtain environmental-friendly conductive sizing agent 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 environmental-friendly conductive sizing agent that the present invention makes can be widely used in the productions such as thin film switch, circuit and circuit board, and the environmental-friendly conductive sizing agent unharmful substance, meets national standard.
Embodiment
Embodiment 1: environmental-friendly conductive sizing agent, the weight portion of its constitutive material is: 20 parts of conductive carbon powders, 3 parts of attapulgites, 2 parts in stalk ashes, 12 parts of acrylate, 8 parts in ethyl acetate, 40 parts of glycerol, 8 parts of expoxy propane phenyl ethers, 22 parts of methyl triacetoxysilanes, 3 parts of dispersants, 5 parts of levelling agents.
Described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600.
The preparation method of environmental-friendly conductive sizing agent may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, glycerol, expoxy propane phenyl ether and the ethyl acetate high-speed mixing of constitutive material, obtains organic carrier;
(2) press weight portion hybrid conductive carbon dust, the acrylate 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 an amount of dispersant and levelling agent, obtain environmental-friendly conductive sizing agent through stirring, grinding.
Embodiment 2: environmental-friendly conductive sizing agent, the weight portion of its constitutive material is: 15 parts of conductive carbon powders, 2 parts of attapulgites, 1 part in stalk ashes, 10 parts of acrylate, 5 parts in ethyl acetate, 30 parts of glycerol, 5 parts of expoxy propane phenyl ethers, 20 parts of methyl triacetoxysilanes, 4 parts of dispersants, 3 parts of levelling agents.
Described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600.
The preparation method of environmental-friendly conductive sizing agent may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, glycerol, expoxy propane phenyl ether and the ethyl acetate high-speed mixing of constitutive material, obtains organic carrier;
(2) press weight portion hybrid conductive carbon dust, the acrylate 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 an amount of dispersant and levelling agent, obtain environmental-friendly conductive sizing agent through stirring, grinding.
Embodiment 3: environmental-friendly conductive sizing agent, the weight portion of its constitutive material is: 30 parts of conductive carbon powders, 5 parts of attapulgites, 3 parts in stalk ashes, 15 parts of acrylate, 10 parts in ethyl acetate, 50 parts of glycerol, 10 parts of expoxy propane phenyl ethers, 25 parts of methyl triacetoxysilanes, 7 parts of dispersants, 8 parts of levelling agents.
Described dispersant is selected from Bi Ke chemistry BYK-2150, and levelling agent is selected from EFKA EFKA-3600.
The preparation method of environmental-friendly conductive sizing agent may further comprise the steps:
(1) it is even to press weight portion Mixed Concave convex rod soil, stalk ashes, methyl triacetoxysilane, glycerol, expoxy propane phenyl ether and the ethyl acetate high-speed mixing of constitutive material, obtains organic carrier;
(2) press weight portion hybrid conductive carbon dust, the acrylate 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 an amount of dispersant and levelling agent, obtain environmental-friendly conductive sizing agent through stirring, grinding.
Embodiment 4: electrocondution slurry performance test of the present invention, as follows:
1, sheet resistance is≤0.015 Ω; 2, shielding rate＞70dB; 3, adhesive force is 4B; 4, hardness is 3H; 5, bake out temperature is 55 ℃, only needs 15 minutes.
Claims (1)
1. electrocondution slurry is characterized in that the weight portion of its constitutive material is: conductive carbon powder 15-30 part, attapulgite 2-5 part, stalk ashes 1-3 part, acrylate 10-15 part, ethyl acetate 5-10 part, glycerol 30-50 part, expoxy propane phenyl ether 5-10 part, methyl triacetoxysilane 20-25 part, dispersant is an amount of, levelling agent is an amount of.
2, electrocondution slurry according to claim 1 is characterized in that: the particle diameter of described conductive carbon powder is 10-80nm, and specific area is 50-300m
2/ g.
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.
4, a kind of preparation method of 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, glycerol, expoxy propane phenyl ether and ethyl acetate high-speed mixing to press the weight portion of constitutive material, obtains organic carrier;
(2) press weight portion hybrid conductive carbon dust, the acrylate 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 an amount of dispersant and levelling agent, obtain electrocondution slurry through stirring, grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256801 CN102368394B (en) | 2011-09-01 | 2011-09-01 | Environment-friendly electroconductive slurry and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110256801 CN102368394B (en) | 2011-09-01 | 2011-09-01 | Environment-friendly electroconductive slurry and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102368394A CN102368394A (en) | 2012-03-07 |
| CN102368394B true CN102368394B (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110256801 Expired - Fee Related CN102368394B (en) | 2011-09-01 | 2011-09-01 | Environment-friendly electroconductive slurry and preparation method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073229B (en) * | 2013-01-18 | 2014-08-13 | 湖南城市学院 | Marquise and production method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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