CN113045936A - Conductive ink composition for radio frequency identification - Google Patents
Conductive ink composition for radio frequency identification Download PDFInfo
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- CN113045936A CN113045936A CN202110453172.4A CN202110453172A CN113045936A CN 113045936 A CN113045936 A CN 113045936A CN 202110453172 A CN202110453172 A CN 202110453172A CN 113045936 A CN113045936 A CN 113045936A
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- conductive ink
- ink composition
- radio frequency
- frequency identification
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a conductive ink composition for radio frequency identification, which mainly comprises the following components in parts by weight: 20-40 parts of fluorocarbon resin, 20-70 parts of metal hollow microspheres, 0.05-0.5 part of antistatic agent, 5-10 parts of filler, 0.1-3 parts of auxiliary agent and 0-20 parts of solvent. The invention adopts fluorocarbon resin as prepolymer, adds metal hollow microspheres and other conductive fillers, has high curing efficiency and low cost, simultaneously has good adhesive force, weather resistance, flexibility and conductive performance, and is particularly suitable for RFID label printing.
Description
Technical Field
The invention relates to a conductive ink, in particular to a conductive ink composition for radio frequency identification.
Background
In the electronics industry, new commercial applications are emerging that require printed conductive materials. Some of these commercial applications are printed antennas for radio frequency identification tags, printed transistors, solar cells, in-mold electronics, and wearable electronics. These printed conductive materials are typically produced by printing conductive inks using a specific printing process.
Conductive inks typically incorporate conductive particles into an ink formulation, typically consisting of a continuous polyurethane phase in which a conductive filler is dispersed, and then adjust the properties of the resulting conductive ink for a particular printing process and end use. Typically, the conductive ink printing process requires a specific viscosity to allow the printing composition to form a specified pattern.
Disclosure of Invention
The invention aims to provide a water-based paint for automobile interior leather, which has good stain resistance, wear resistance, bending resistance and touch feeling on the basis of the prior art.
The object of the invention can be achieved by the following measures:
a conductive ink composition for radio frequency identification mainly comprises the following components in parts by weight: 20-40 parts of fluorocarbon resin, 20-70 parts of metal hollow microspheres, 0.05-0.5 part of antistatic agent, 5-10 parts of filler, 0.1-3 parts of auxiliary agent and 0-20 parts of solvent.
In a preferred scheme, the conductive ink composition for radio frequency identification mainly comprises the following components in parts by weight: 22-38 parts of fluorocarbon resin, 30-60 parts of metal hollow microspheres, 0.05-0.5 part of antistatic agent, 6-9 parts of filler, 0.1-3 parts of auxiliary agent and 0-20 parts of solvent.
In a more preferred scheme, the conductive ink composition for radio frequency identification mainly comprises the following components in parts by weight: 30 parts of fluorocarbon resin, 45 parts of metal hollow microspheres, 0.2 part of antistatic agent, 7.5 parts of filler, 1.5 parts of auxiliary agent and 0-20 parts of solvent.
Preferably, the fluorocarbon resin is a FEVE type fluorocarbon resin; the antistatic agent is a quaternary ammonium salt type cationic surfactant; the filler is any two or three of chitin, graphene and conductive titanium dioxide.
Preferably, the auxiliary agent is an antifoaming agent and a leveling agent; the leveling agent is an organic silicon leveling agent, and is preferably one or more of BYK307, BYK333 or BYK 371; the antifoaming agent is Dow Corning DC65 or Pasteur 6800; the solvent is one or more of trimethylbenzene, dibasic ester, propylene glycol methyl ether acetate or isophorone.
In the present invention, all the raw materials used can be obtained by commercial and/or preparative methods, which are not specifically described, and meet the requirements of standardized products.
In the invention, the preparation method of the metal hollow microsphere is from the Chinese invention patent application number of CN201310121097.7 and is named as a preparation method of the hollow metal microsphere.
The preparation method of the conductive ink composition for radio frequency identification comprises the following steps: firstly, mixing fluorocarbon resin and metal hollow microspheres, uniformly stirring at a high speed, dispersing, then adding an antistatic agent, a filler, an auxiliary agent and a solvent, and continuously stirring at a high speed for dispersing.
Preferably, the conductive ink is dried for 30min at the temperature of 115-135 ℃ to obtain a finished product.
The invention also discloses application of the conductive ink composition for radio frequency identification in an RFID tag, which comprises an antenna made of the conductive ink composition for radio frequency identification and an IC chip electrically connected with the antenna.
Preferably, the antenna is obtained by rolling a conductive ink composition on a substrate and etching an antenna pattern, wherein the antenna is a closed loop structure with directional radiation characteristics, and the etching method adopts conventional laser or solvent etching.
In order to enable the conductive ink to form patterns on the base material more easily, improve the wettability with the base material and improve the toughness of the patterns, the FEVE type fluorocarbon resin is adopted, and has higher wettability, hardness and flexibility;
in order to save cost and ensure conductivity, the invention adopts the metal hollow microspheres, and compared with the metal microspheres, the invention further saves materials; compared with metal-plated glass microspheres, the metal hollow microspheres can not have the phenomenon that metal plating falls off, so that the conductive patterns are more durable.
In order to adjust the viscosity of the ink and enable the conductive ink to be matched with the viscosity requirements of various patterning technologies, a proper amount of solvent is added in the invention, and the selected solvent can be quickly evaporated at the curing temperature;
in order to further improve the conductivity, a very small amount of antistatic agent is added in the invention, so that the distribution state of conductive particles in the ink is improved.
The invention has the beneficial effects that:
according to the conductive ink composition for radio frequency identification, the fluorocarbon resin is used as the prepolymer, the metal hollow microspheres and other conductive fillers are added, the curing efficiency is high, the cost is low, and meanwhile, the coating has good adhesive force, weather resistance, flexibility and conductivity, and is particularly suitable for RFID label printing.
Detailed Description
The present invention will be further described with reference to the following examples. The scope of the invention is not limited to the following examples.
The preparation method of the resin composition in each example comprises the following steps: firstly, mixing fluorocarbon resin and metal hollow microspheres, uniformly stirring at a high speed, dispersing, then adding an antistatic agent, a filler, an auxiliary agent and a solvent, and continuously stirring at a high speed for dispersing.
Example 1
A conductive ink composition for radio frequency identification mainly comprises the following components in parts by weight: 20 parts of fluorocarbon resin, 20 parts of metal hollow microspheres, 0.1 part of antistatic agent, 5 parts of filler, 0.1 part of auxiliary agent and 5 parts of solvent.
Wherein the filler is chitin and graphene; the leveling agent is BYK 307; the antifoaming agent is Dow Corning DC 65; the solvent is trimethylbenzene, dibasic ester and isophorone.
Example 2
A conductive ink composition for radio frequency identification mainly comprises the following components in parts by weight: 30 parts of fluorocarbon resin, 45 parts of metal hollow microspheres, 0.25 part of antistatic agent, 7.5 parts of filler, 1.5 parts of auxiliary agent and 10 parts of solvent.
Wherein, the filling materials are chitin and conductive titanium dioxide; the leveling agent is BYK 333; the defoaming agent is basf 6800; the solvent is dibasic ester, propylene glycol methyl ether acetate and isophorone.
Example 3
A conductive ink composition for radio frequency identification mainly comprises the following components in parts by weight: 40 parts of fluorocarbon resin, 70 parts of metal hollow microspheres, 0.5 part of antistatic agent, 10 parts of filler, 3 parts of auxiliary agent and 20 parts of solvent.
Wherein the filler is chitin, graphene and conductive titanium dioxide; the leveling agent is BYK 371; the antifoaming agent is Dow Corning DC 65; the solvent is trimethylbenzene, dibasic ester and propylene glycol methyl ether acetate.
Comparative example 1
The fluorocarbon resin in example 1 was replaced with a polyurethane resin, and the remainder was unchanged.
Comparative example 2
The metallic hollow microspheres from example 2 were replaced with metallized glass microspheres and the waterborne epoxy resin was increased to 45 parts.
Comparative example 3
The metal hollow microspheres in example 2 were replaced with metal nanoparticles and the amount of waterborne epoxy resin was increased to 45 parts.
Comparative example 4
The antistatic agent was removed in example 3 and the solvent was increased to 20.5 parts, as in example 3.
Comparative example 5
The solvent was removed and the amount of filler was increased to 30 parts in example 3, as in example 3
The conductive ink roller obtained in examples 1 to 3 and comparative examples 1 to 5 was coated on a plastic substrate and a film, dried at 125 ℃ for 30min, and etched to form a pattern. The test results are shown in Table 1.
TABLE 1
Weather resistance: and performing a salt spray test according to national standard GB/T10125-2012 salt spray test for artificial atmosphere corrosion test.
Conductivity: the conductivity of the conductive ink pattern was tested using an AutoSigma300 conductivity tester, GE, USA, at a test frequency of 500 kHz.
Claims (10)
1. The conductive ink composition for radio frequency identification is characterized by mainly comprising the following components in parts by weight: 20-40 parts of fluorocarbon resin, 20-70 parts of metal hollow microspheres, 0.05-0.5 part of antistatic agent, 5-10 parts of filler, 0.1-3 parts of auxiliary agent and 0-20 parts of solvent.
2. The conductive ink composition for radio frequency identification according to claim 1, characterized by mainly comprising the following components by weight: 22-38 parts of fluorocarbon resin, 30-60 parts of metal hollow microspheres, 0.05-0.5 part of antistatic agent, 6-9 parts of filler, 0.1-3 parts of auxiliary agent and 0-20 parts of solvent.
3. The conductive ink composition for radio frequency identification according to claim 2, characterized by mainly comprising the following components by weight: 30 parts of fluorocarbon resin, 45 parts of metal hollow microspheres, 0.2 part of antistatic agent, 7.5 parts of filler, 1.5 parts of auxiliary agent and 0-20 parts of solvent.
4. The conductive ink composition for radio frequency identification according to any one of claims 1 to 3, wherein the fluorocarbon resin is FEVE type fluorocarbon resin; the antistatic agent is a quaternary ammonium salt type cationic surfactant; the filler is any two or three of chitin, graphene and conductive titanium dioxide.
5. The conductive ink composition for radio frequency identification according to any one of claims 1 to 3, wherein the auxiliary agent is an antifoaming agent and a leveling agent; the leveling agent is an organic silicon leveling agent; the solvent is one or more of trimethylbenzene, dibasic ester, propylene glycol methyl ether acetate or isophorone.
6. The method for preparing the conductive ink composition for radio frequency identification according to claim 1, wherein the fluorocarbon resin and the metal hollow microspheres are mixed and uniformly dispersed by high-speed stirring, and then the antistatic agent, the filler, the auxiliary agent and the solvent are added to continue to be dispersed by high-speed stirring.
7. The method for preparing the conductive ink composition for radio frequency identification according to claim 7, wherein the ink is dried at a temperature of 115 to 135 ℃ for 30 min.
8. Use of the conductive ink composition for radio frequency identification according to claim 1 in an RFID tag.
9. An RFID tag comprising an antenna made of the conductive ink composition for radio frequency identification according to claim 1 and an IC chip electrically connected to the antenna.
10. The RFID tag of claim 9, wherein the antenna is formed by roll coating a conductive ink composition onto a substrate and etching an antenna pattern, wherein the antenna is a closed loop structure that produces directional radiation characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110453172.4A CN113045936A (en) | 2021-04-26 | 2021-04-26 | Conductive ink composition for radio frequency identification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110453172.4A CN113045936A (en) | 2021-04-26 | 2021-04-26 | Conductive ink composition for radio frequency identification |
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| CN113045936A true CN113045936A (en) | 2021-06-29 |
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| CN202110453172.4A Withdrawn CN113045936A (en) | 2021-04-26 | 2021-04-26 | Conductive ink composition for radio frequency identification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836078A (en) * | 2022-04-28 | 2022-08-02 | 山东华冠智能卡有限公司 | Anti-aging graphene conductive paste for gravure printing and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299677A (en) * | 2013-07-16 | 2015-01-21 | 三星电机株式会社 | Conductive paste composition for external electrode and multilayer ceramic electronic component including the same |
| CN106883681A (en) * | 2017-03-17 | 2017-06-23 | 青岛瑞利特新材料科技有限公司 | A kind of electrically conductive ink containing flake graphite alkene and composition metal filler |
| CN108641487A (en) * | 2018-04-27 | 2018-10-12 | 佛山市瑞福物联科技有限公司 | A kind of nano conductive printing ink and preparation method thereof and its RFID antenna and application |
| CN109971257A (en) * | 2019-04-03 | 2019-07-05 | 长沙集智创新工业设计有限公司 | A kind of nano-graphene electrically conductive ink and preparation method thereof |
| CN110776786A (en) * | 2019-12-18 | 2020-02-11 | 武汉华知智能科技有限公司 | Graphene nano-silver composite conductive ink and preparation method thereof |
-
2021
- 2021-04-26 CN CN202110453172.4A patent/CN113045936A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299677A (en) * | 2013-07-16 | 2015-01-21 | 三星电机株式会社 | Conductive paste composition for external electrode and multilayer ceramic electronic component including the same |
| CN106883681A (en) * | 2017-03-17 | 2017-06-23 | 青岛瑞利特新材料科技有限公司 | A kind of electrically conductive ink containing flake graphite alkene and composition metal filler |
| CN108641487A (en) * | 2018-04-27 | 2018-10-12 | 佛山市瑞福物联科技有限公司 | A kind of nano conductive printing ink and preparation method thereof and its RFID antenna and application |
| CN109971257A (en) * | 2019-04-03 | 2019-07-05 | 长沙集智创新工业设计有限公司 | A kind of nano-graphene electrically conductive ink and preparation method thereof |
| CN110776786A (en) * | 2019-12-18 | 2020-02-11 | 武汉华知智能科技有限公司 | Graphene nano-silver composite conductive ink and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836078A (en) * | 2022-04-28 | 2022-08-02 | 山东华冠智能卡有限公司 | Anti-aging graphene conductive paste for gravure printing and preparation method thereof |
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Application publication date: 20210629 |