CN110183928A - A kind of graphene magnetic stripe and preparation method thereof - Google Patents
A kind of graphene magnetic stripe and preparation method thereof Download PDFInfo
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- CN110183928A CN110183928A CN201910363115.XA CN201910363115A CN110183928A CN 110183928 A CN110183928 A CN 110183928A CN 201910363115 A CN201910363115 A CN 201910363115A CN 110183928 A CN110183928 A CN 110183928A
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- Prior art keywords
- graphene
- magnetic stripe
- carrier
- preparation
- epoxy resin
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Classifications
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/23—Magnetisable or magnetic paints or lacquers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/0027—Thick magnetic films
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/42—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of organic or organo-metallic materials, e.g. graphene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention discloses a kind of graphene magnetic stripe and preparation method thereof, wherein the graphene magnetic stripe includes several band of carrier and interval coating on the carrier, and several band are mixed with by graphene and epoxy resin.Since graphene can form magnetic material by magnetization treatment, and it is with stable chemical property and antiseptic property, therefore, the present invention using graphene substitution iron powder preparation magnetic stripe can prolonged application in high salt, moist or perishable environment without being corroded, so as to long-term record information, information is avoided to lose.
Description
Technical field
The present invention relates to magnetic stripe fields more particularly to a kind of graphene magnetic stripe and preparation method thereof.
Background technique
Graphene not still outstanding conduction, Heat Conduction Material, it can also be magnetized and form magnetic material.Magnetic stripe is one
The very thin molecular material of iron oxidosome (also referred to as pigment) by arrangement orientation of layer, is closely glued with resin binder
It is combined, and is bonded on non-magnetic substrate medium as such as paper or plastics；Magnetic stripe is made peace computer from essential meaning
Tape or disk be it is the same, it can be used to record letter, character and digital information.
Since existing magnetic stripe is usually to be made by materials such as iron powders, quilt is easy in high salt, moist or perishable environment
Corrosion, so that the information of magnetic stripe recording be made to lose.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of graphene magnetic stripe and its preparation sides
Method, it is intended to solve existing magnetic stripe and be easy to be corroded in high salt, moist or perishable environment, so as to cause the information of magnetic stripe recording
The problem of losing.
Technical scheme is as follows:
A kind of graphene magnetic stripe, wherein described several including several band of carrier and interval coating on the carrier
Band is mixed with by graphene and epoxy resin.
The graphene magnetic stripe, wherein the stripping includes 1-3 parts of graphene and 97-99 by weight
The epoxy resin of part.
The graphene magnetic stripe, wherein the stripping includes 2 parts of graphene and 98 parts of ring by weight
Oxygen resin.
The graphene magnetic stripe, wherein the band with a thickness of 1-3um.
The graphene magnetic stripe, wherein the carrier is prepared by insulating materials.
The graphene magnetic stripe, wherein the material of the carrier is one of silica, silicon carbide or plastics.
A kind of preparation method of graphene magnetic stripe, wherein comprising steps of
Graphene is mixed with epoxy resin, forms mixed slurry；
The mixed slurry interval is coated on carrier, forms several band being spaced apart after solidification on carrier, i.e.,
The graphene magnetic stripe is made.
The preparation method of the graphene magnetic stripe, wherein by weight, by 1-3 parts of graphene and 97-99 parts of ring
The mixing of oxygen resin, forms mixed slurry.
The preparation method of the graphene magnetic stripe, wherein several band it is of same size, and between adjacent ribbons
Spacing it is identical.
The preparation method of the graphene magnetic stripe, wherein the thickness of several band is 1-3um.
The utility model has the advantages that the present invention provides a kind of graphene magnetic stripe, the graphene magnetic stripe includes carrier and interval coating
Several band on the carrier, several band are mixed with by graphene and epoxy resin.Due to
Graphene can form magnetic material by magnetization treatment, and it is with stable chemical property and antiseptic property, therefore, this
Invention using graphene substitution iron powder preparation magnetic stripe can prolonged application in high salt, moist or perishable environment without rotten
Erosion, so as to long-term record information, avoids information from losing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of graphene magnetic stripe of the present invention.
Fig. 2 is structural schematic diagram of the graphene magnetic stripe of the present invention when recording information.
Fig. 3 is a kind of flow chart of the preparation method preferred embodiment of graphene magnetic stripe of the present invention.
Specific embodiment
The present invention provides a kind of graphene magnetic stripe and preparation method thereof, to make the purpose of the present invention, technical solution and effect
Clearer, clear, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Magnetic stripe is as a kind of magnetic recording media, since at low cost, flexibility is strong, uses relatively stable reliable and information
The features such as relatively easy easy is read and write, to widely be developed, and enters multiple application fields.Such as in container
Application field, usual container require to store for a long time in ship or field, if with paper sheet label record container
Information, then its contents is than relatively limited, and is easily damaged；If fruit chip or USB record information, bad storage；Most
Good method is exactly to paste the magnetic stripe of a root record information in the fixation position of container.However, due to existing magnetic stripe be usually by
The materials such as iron powder are prepared, and are easy to be corroded in the relatively rugged environments such as with high salt, moist, so as to cause magnetic stripe recording
Information is lost, and brings very big inconvenience to user.
Based on the problems of existing magnetic stripe, the present invention provides a kind of graphene magnetic stripe, as shown in Figure 1, the graphite
Alkene magnetic stripe includes carrier 10 and interval coating several band 20 on the carrier, and several band 20 are by stone
Black alkene and epoxy resin are mixed with.
In the present invention, the arrangement mode of graphene internal carbon as graphite monoatomic layer withsp2Hybridized orbit
Bonding, and have the characteristics that as follows: carbon atom has 4 valence electrons, wherein 3 are electronically generatedspKey, i.e., each carbon atom are contributed
One is located atpzNon- bonding electrons on track, neighbour's atompzTrack and plane can form pi bond at vertical direction, new to be formed
Pi bond in partly filling up state.Research confirms that the ligancy of carbon atom is 3 in graphene, the bond distance between every two adjacent carbon atom
It is 1.42 × 10 meters, the angle between key and key is 120 °.In addition to σ key and other carbon atom chains are connected into the cellular layer of hexagonal ring
Outside shape structure, each carbon atom perpendicular to layer planepzTrack can form polyatomic big pi bond through holostrome (with benzene
Ring is similar), thus there is excellent conduction and optical property.The graphene shows good dissolution in nonpolar solvent
Property, there is super-hydrophobicity and super-oleophilic, thus be not easy to be corroded by water oxygen.The fusing point of graphene may in 5000K or so,
It is hardly damaged under sunlight irradiation.The structure of graphene is highly stable, carbon-carbon bond(carbon-carbon bond)Only 1.42.
The connection between carbon atom inside graphene is very flexible, and when applying external force when graphene, the meeting bending deformation of carbon atom face makes
Carbon atom need not be rearranged to adapt to external force to keep stable structure to be not susceptible to oxidation reaction.
Since graphene can form magnetic material by magnetization treatment, and it is with stable chemical property and anti-corrosion
Performance, therefore, the present invention using graphene substitution iron powder preparation magnetic stripe can prolonged application in high salt, moist or perishable environment
In without being corroded, so as to long-term record information, information is avoided to lose.
In some embodiments, the graphene is single-layer graphene, bilayer graphene or few layer graphene, but unlimited
In this；The single-layer graphene refers to former with the periodically closelypacked carbon of benzene ring structure (i.e. hexagonal honeycomb structure) by one layer
A kind of two-dimentional carbon material that son is constituted；The bilayer graphene refers to former with the periodically closelypacked carbon of benzene ring structure by two layers
A kind of two-dimentional carbon material that son is constituted with different way of stacking stackings；Few layer graphene refers to by 3-10 layers with benzene ring structure
A kind of two-dimentional carbon material that periodically closelypacked carbon atom is constituted with different way of stacking stackings.
In some embodiments, when needing to carry out data input to the graphene magnetic stripe in the present invention, then such as Fig. 2 institute
Show, a previously prepared toroidal inductor jaggy, the gap width of the toroidal inductor be coated with band
Carrier width is equal, i.e., the band on the described carrier just can make the ring-shaped inductors with the notch of polishing toroidal inductor
Coil forms closed loop circuit.
In the present embodiment, when needing to carry out data input to graphene magnetic stripe, first to the toroidal inductor
It being powered, the toroidal inductor can produce magnetic field, when the electric current being passed through in toroidal inductor changes, then the ring
The magnetic field strength that shape inductance coil generates can also change, therefore, the magnetic field strength that the band on the carrier is magnetized
It can be different；When moving horizontally the carrier, then cooperate the curent change being passed through in toroidal inductor, can be on carrier
Item, which takes, records different information with magnetic signal.
In some embodiments, when needing to carry out information reading to the graphene magnetic stripe, then graphene magnetic stripe is allowed
On band pass sequentially through the notch of toroidal inductor, the magnetic field strength that the toroidal inductor can be taken due to item is continuous
Variation carries out the induced current by external device to generate faint induced current inside toroidal inductor
After enhanced processing, then all information being stored on the graphene magnetic stripe originally can be read.
In some embodiments, the stripping includes 1-3 parts of graphene and 97-99 parts of ring by weight
Oxygen resin.The density of the graphene is smaller, when stripping contains the graphene of 1-3%, can guarantee that the band is effective
It magnetizes, to guarantee effective typing of information.
In some more specific embodiments, the stripping include by weight 2 parts graphene and 98 parts
Epoxy resin.
In some embodiments, the band with a thickness of 1-3um.
In some embodiments, the carrier is prepared by insulating materials.
In some specific embodiments, the material of the carrier is one of silica, silicon carbide or plastics.
In some embodiments, a kind of preparation method of graphene magnetic stripe is also provided, wherein as shown in figure 3, including step
It is rapid:
S10, graphene is mixed with epoxy resin, forms mixed slurry；
S20, the mixed slurry interval is coated on carrier, forms several rules being spaced apart after solidification on carrier
Band obtains the graphene magnetic stripe.
In some embodiments, by weight, 1-3 parts of graphene and 97-99 parts of epoxy resin are mixed, shape
At mixed slurry.
In some embodiments, several band is of same size, and the spacing between adjacent ribbons is identical.
In some embodiments, the thickness of several band is 1-3um.
Explanation is further explained below by a kind of graphene magnetic stripe of the specific embodiment present invention and preparation method thereof:
Embodiment 1
A kind of graphene magnetic stripe, several band including carrier and interval coating on the carrier, several rules
Band is mixed with by 1 part of graphene and 99 parts of epoxy resin by weight.
A kind of preparation method of graphene magnetic stripe, wherein the following steps are included:
1 part of graphene and 99 parts of epoxy resin are mixed by weight, form mixed slurry；
The mixed slurry interval is coated on carrier, forms several band being spaced apart after solidification on carrier, i.e.,
The graphene magnetic stripe is made；The thickness of several band is 1um, and the spacing between adjacent ribbons is identical.
Embodiment 2
A kind of graphene magnetic stripe, several band including carrier and interval coating on the carrier, several rules
Band is mixed with by 2 parts of graphene and 98 parts of epoxy resin by weight.
A kind of preparation method of graphene magnetic stripe, wherein the following steps are included:
2 parts of graphene and 98 parts of epoxy resin are mixed by weight, form mixed slurry；
The mixed slurry interval is coated on carrier, forms several band being spaced apart after solidification on carrier, i.e.,
The graphene magnetic stripe is made；The thickness of several band is 2um, and the spacing between adjacent ribbons is identical.
Embodiment 3
A kind of graphene magnetic stripe, several band including carrier and interval coating on the carrier, several rules
Band is mixed with by 3 parts of graphene and 97 parts of epoxy resin by weight.
A kind of preparation method of graphene magnetic stripe, wherein the following steps are included:
3 parts of graphene and 97 parts of epoxy resin are mixed by weight, form mixed slurry；
The mixed slurry interval is coated on carrier, forms several band being spaced apart after solidification on carrier, i.e.,
The graphene magnetic stripe is made；The thickness of several band is 3um, and the spacing between adjacent ribbons is identical.
In conclusion the present invention provides a kind of graphene magnetic stripe, the graphene magnetic stripe includes carrier and interval coating
Several band on the carrier, several band are mixed with by graphene and epoxy resin.Due to
Graphene can form magnetic material by magnetization treatment, and it is with stable chemical property and antiseptic property, therefore, this
Invention using graphene substitution iron powder preparation magnetic stripe can prolonged application in high salt, moist or perishable environment without rotten
Erosion, to effectively record information.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of graphene magnetic stripe, which is characterized in that several band on the carrier are coated including carrier and interval,
Several band are mixed with by graphene and epoxy resin.
2. graphene magnetic stripe according to claim 1, which is characterized in that the stripping includes 1-3 by weight
The graphene and 97-99 parts of epoxy resin of part.
3. graphene magnetic stripe according to claim 1, which is characterized in that the stripping includes 2 parts by weight
Graphene and 98 parts of epoxy resin.
4. graphene magnetic stripe according to claim 1 to 3, which is characterized in that the band with a thickness of 1-3um.
5. graphene magnetic stripe according to claim 1, which is characterized in that the carrier is prepared by insulating materials.
6. graphene magnetic stripe according to claim 1, which is characterized in that the material of the carrier is silica, carbonization
One of silicon or plastics.
7. a kind of preparation method of graphene magnetic stripe, which is characterized in that comprising steps of
Graphene is mixed with epoxy resin, forms mixed slurry；
The mixed slurry interval is coated on carrier, forms several band being spaced apart after solidification on carrier, i.e.,
The graphene magnetic stripe is made.
8. the preparation method of graphene magnetic stripe according to claim 7, which is characterized in that by weight, by 1-3 parts of stone
Black alkene and the mixing of 97-99 parts of epoxy resin, form mixed slurry.
9. the preparation method of graphene magnetic stripe according to claim 7, which is characterized in that the width phase of several band
Together, the spacing and between adjacent ribbons is identical.
10. the preparation method of graphene magnetic stripe according to claim 7, which is characterized in that the thickness of several band
It is 1-3um.
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| CN201910363115.XA CN110183928A (en) | 2019-04-30 | 2019-04-30 | A kind of graphene magnetic stripe and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910363115.XA CN110183928A (en) | 2019-04-30 | 2019-04-30 | A kind of graphene magnetic stripe and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120012958A (en) * | 2010-08-03 | 2012-02-13 | 삼성테크윈 주식회사 | Tape for transferring graphene, method of manufacturing the same and method of manufacturing a substrate on which graphene is transferred |
| CN105405569A (en) * | 2015-11-13 | 2016-03-16 | 太仓荣中机电科技有限公司 | Magnetic material |
| CN107266861A (en) * | 2017-07-19 | 2017-10-20 | 冯苇荣 | Epoxy resin functional graphene integration filtering IC and preparation method thereof |
| CN208239030U (en) * | 2018-06-22 | 2018-12-14 | 广东优凯科技有限公司 | A kind of sheet sensors |
| CN109082072A (en) * | 2017-06-13 | 2018-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Graphene/epoxy resin composite wave-absorbing material and its preparation method and application |
-
2019
- 2019-04-30 CN CN201910363115.XA patent/CN110183928A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120012958A (en) * | 2010-08-03 | 2012-02-13 | 삼성테크윈 주식회사 | Tape for transferring graphene, method of manufacturing the same and method of manufacturing a substrate on which graphene is transferred |
| CN105405569A (en) * | 2015-11-13 | 2016-03-16 | 太仓荣中机电科技有限公司 | Magnetic material |
| CN109082072A (en) * | 2017-06-13 | 2018-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Graphene/epoxy resin composite wave-absorbing material and its preparation method and application |
| CN107266861A (en) * | 2017-07-19 | 2017-10-20 | 冯苇荣 | Epoxy resin functional graphene integration filtering IC and preparation method thereof |
| CN208239030U (en) * | 2018-06-22 | 2018-12-14 | 广东优凯科技有限公司 | A kind of sheet sensors |
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