CN108764429A - A kind of RFID electronic label and preparation method thereof of frangible anti-transfer - Google Patents
A kind of RFID electronic label and preparation method thereof of frangible anti-transfer Download PDFInfo
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- CN108764429A CN108764429A CN201810186213.6A CN201810186213A CN108764429A CN 108764429 A CN108764429 A CN 108764429A CN 201810186213 A CN201810186213 A CN 201810186213A CN 108764429 A CN108764429 A CN 108764429A
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- Prior art keywords
- frangible
- electronic label
- rfid electronic
- base material
- antenna pattern
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a kind of RFID electronic label and preparation method thereof of frangible anti-transfer, the RFID electronic label of the frangible anti-transfer includes frangible paper facer, plane materiel glue layer, chip, antenna pattern, fragile paper base material and base material glue layer successively from top to bottom；The antenna pattern is printed on fragile paper base material upper surface by light-cured type electrically conductive ink；The chip is connect with antenna pattern, and is packaged between frangible paper facer and fragile paper base material, is fixed by plane materiel glue layer；The fragile paper base material and frangible paper facer are equipped with notch, and the present invention is had excellent performance, electronic tag is frangible, it is anti-tear, anti-transfer, and manufacturing process difficulty is low, production efficiency is high, has good industrial applicibility.
Description
Technical field
The present invention relates to a kind of RFID electronic label and preparation method thereof of frangible anti-transfer.
Background technology
In radio frequency identification (RFID) electronic tag, antenna is main functional layer, and purposes is the maximum energy of transmission
Pass in and out label chip.Antenna is the electronic circuit designed according to the function required by radio frequency identification.The production quality of antenna is
The critical issue controlled is needed in RFID tag manufacturing process.Most common way is by etch process by metallic film (aluminium
Foil, copper foil) on antenna load to the base materials such as PVC, PI or PET, but this method manufacturing process is cumbersome, seriously polluted.Another kind is done
Method is to use thermoprint metal foil directly by antenna thermoprint on base material, is not necessarily to thin-film material, but make antenna using thermoprint technology,
Yield is relatively low, and cost of manufacture is relatively high, is unfavorable for promoting on a large scale.
It is to develop in recent years to prepare RFID antenna using electrically conductive ink or electrocondution slurry printing to substitute conventional etch method
The preferably method gone out.Such method is generally divided into contact and two kinds contactless.When using contact printing, due to leading
Caused by the performance of electric ink, it is easy to that set-off phenomenon occurs, to finely printing generation harmful effect.The electric conductivity of electrically conductive ink
Can by conductive material type, particle size, shape, loading, dispersity, binder type and hardening time etc. it is many because
Element influences.RFID antenna is high to conduction needs, in printing process, can be potentially encountered due to drying incomplete, printing thickness
Spend it is thin caused by ink resistance increase phenomena such as.
The one big application field of electronic tag of RFID antenna manufacture is anti-fake, it is desirable that label have it is frangible, anti-tear, anti-transfer
Characteristic, be applied to more tobacco, drinks, drug, cosmetics and auto parts and components and other items trace to the source with it is anti-fake.Current mainstream
There are two types of technologies：One is the antenna thermoprints by preparing ultra-thin aluminum foil in substrate surface, is encapsulated in conjunction with frangible paper facer
At frangible label；Another kind is to use conductive silver paste printed antenna pattern directly in PET base material.The former manufacturing process difficulty
Greatly, cost is higher；The latter is higher using the cost of noble silver, and needs through prolonged drying and processing technique, production
Efficiency is low, and PET base material easily tear to pieces, in terms of anti-transfer it is always not ideal enough.
Invention content
It is an object of the invention in place of overcome the deficiencies in the prior art, provide a kind of RFID electronics of frangible anti-transfer
Label and preparation method thereof solves the problems in above-mentioned background technology.
The technical solution adopted by the present invention to solve the technical problems is：Provide a kind of RFID electronics of frangible anti-transfer
Label preparation method, includes the following steps：
(1) preparation of electrically conductive ink：Matrix prepolymer, activity diluting monomer are weighed by quality, sequentially adds the stone weighed
Black alkene nanometer sheet, Argent grain are stirred dispersion, and dispersant then is added and coupling agent continues to be dispersed with stirring, adds light-initiated
Agent, photosensitizer and auxiliary agent continue to be dispersed with stirring；Mixture after dispersion is obtained into conductive oil by the grinding of three rollers and homogenization
Ink；
(2) it prints：Electrically conductive ink is printed by printing technology in fragile paper base material, antenna pattern is obtained；
(3) photocuring：Antenna pattern UV-LED light sources are irradiated into 5s~120s to solidification, the UV-LED light sources include
Centre wavelength is the UVA light sources of 315-420nm, and the energy of the UV-LED light sources unit area is 5000~7000MJ/cm2；
(4) it is compacted：It is 3~15 μm that antenna pattern after photocuring is densified to thickness by pressing process, is obtained
Closely knit RFID antenna.
(5) in RFID antenna surface fixed chip, and frangible paper facer of the inner surface containing glue is sticked, is encapsulated
Good RFID electronic label；
(6) notch is processed in packaged RFID electronic label using radium-shine or die-cutting device, obtains finished product.
In a preferred embodiment of the present invention, graphene nanometer sheet size described in step (1) is 0.01~20 μm.
In a preferred embodiment of the present invention, Argent grain granularity described in step (1) is 0.01~20 μm.
In a preferred embodiment of the present invention, matrix prepolymer described in step (1) includes epoxy acrylate, polyurethane
At least one of acrylate, polyether acrylate, ammonia modification acrylate, polyester acrylate resin.
In a preferred embodiment of the present invention, activity diluting monomer described in step (1) includes aliphatic acrylate, virtue
Fragrant race's acrylate, alkoxide acrylate.
In a preferred embodiment of the present invention, photoinitiator described in step (1) is radical photoinitiator, including 2,
4,6- trimethyl benzoyl diphenyl base phosphine oxides, 2,4- diethyl thioxanthones, isopropyl thioxanthone, 4- dimethylaminos
Ethyl benzoate, 2- hydroxy-2-methyl -1- phenylacetones, 1- hydroxy cyclohexyl phenylketones, 2- methyl-1s-(4- first sulfydryl benzene
Base) -2- morpholine -1- acetone, at least one of 2- benzyl -2- dimethyl -1- (4- morpholinyl phenyls) -1- butanone.
In a preferred embodiment of the present invention, photosensitizer described in step (1) is 4- methyl benzophenones, 4- phenyl hexichol
One or both of ketone, methyl benzoylformate, thioxanthone.
In a preferred embodiment of the present invention, coupling agent described in step (1) is titanate coupling agent, Aluminate coupling
At least one of agent, silane coupling agent.
In a preferred embodiment of the present invention, dispersant described in step (1) includes polyacrylic acid, the dispersion of thioacetic acid class
At least one of agent.
In a preferred embodiment of the present invention, auxiliary agent described in step (1) includes fluorin modified crylic acid resin, polyether-modified
At least one of organosiloxane levelling agent.
In a preferred embodiment of the present invention, coated on one side of the fragile paper base material without antenna pattern described in step (2) has
Glue.
The present invention also provides a kind of RFID electronic label of frangible anti-transfer, are prepared using the above method, from upper
Include frangible paper facer, plane materiel glue layer, chip, antenna pattern, fragile paper base material and base material glue layer successively under and；The day
Line pattern is printed on fragile paper base material upper surface by light-cured type electrically conductive ink；The chip is connect with antenna pattern, and is encapsulated
Between frangible paper facer and fragile paper base material, fixed by plane materiel glue layer；It is set in the fragile paper base material and frangible paper facer
There is notch.
The light curable conductive ink main component of said ratio is graphene nano carbon material, is ensuring conduction needs
On the basis of largely reduce the content of conductive metal.RFID antenna is printed using graphene-based electrically conductive ink, can be kept away
Exempt from the high pollution technological process of production aluminium and etching aluminum antenna in conventional method.It is suitble to by being used in conducting ink formulation
In the initiator and performed polymer and diluting monomer of darky system pigment, avoid using volatile solvent, and use advanced light
Curing process can further promote the low-carbon energy-saving and environmental protection of antenna production process.It traces to the source using purpose in label completion
Afterwards, discarded traditional aluminum antenna tag and PET base material can not natural degradation, environmental protection will also be damaged.And graphite
Alkenyl RFID antenna and the paper substrates being used cooperatively and plane materiel will not be polluted the environment and be asked substantially without recovery processing
Topic, can largely ensure the green circulatory of product life cycle.
It is to carry out at ambient temperature using ultraviolet curing process, hardening time is typically only tens of seconds, and general conduction
Silver paste heat curing process temperature is 100~160 DEG C, and heat cure at least needs dozens of minutes.The production process of photocuring is solvent-free
Volatilization, low-carbon energy-saving and environmentally protective.After traditional heat cure processing, since solvent volatilizees, the thickness of dry film after drying is apparent
Less than the wet-film thickness after printing.After being handled using photocuring, thickness of dry film substantially corresponds to wet-film thickness, then by certain
Compaction process processing, can ensure the density of dry film on the basis of relatively large thickness of dry film, in thickness and density
On ensure the electric conductivity of film layer on both side.
Compared with the background art, it has the following advantages that the technical program：
1. RFID antenna is made by using the graphene-based electrically conductive ink printing of UV-LED photocurings with high conductivity,
Antenna performance is excellent, and the solvent-free volatilization of production process, hardening time are short, energy saving environmentally protective, and the product cost produced is less than
The same money antenna cost made of low-temperature conductive silver paste.
2. by adjusting electrically conductive ink performance, antenna pattern printing precision is improved, ultraviolet curing process shortens ink dries significantly
Dry time, rapid draing make follow-up compaction process be achieved, pass through compaction process, it can be ensured that the antenna pattern after photocuring
With closely knit microstructure.
3. using fragile paper as antenna substrate, it is ensured that the adhesive force of printed antenna；The plane materiel and base material of encapsulation all belong to
In can natural degradation material, label use and waste procedures are environment friendly and pollution-free；Using radium-shine or die-cutting device on antenna substrate
Process notch, it is ensured that base material and encapsulation plane materiel antenna pattern when incision stress is torn tear to pieces destruction immediately.
Description of the drawings
Fig. 1 is a kind of RFID antenna preparation technology flow chart.
Fig. 2 is structural schematic diagram after a kind of printing of RFID antenna.
Fig. 3 is the structural schematic diagram after a kind of RFID electronic label manufacture of frangible anti-transfer, and wherein d- △ d refer to printing
It brushes and the antenna thickness after photocuring is d, then after compaction process is handled, antenna thickness reduces △ d, antenna actual (real) thickness is
d-△d。
Fig. 4 is a kind of RFID electronic label schematic diagram of application structure of frangible anti-transfer.
Fig. 5 is a kind of RFID electronic label preparation technology flow chart of frangible anti-transfer.Wherein, S01:It is stained with fragile paper
Art paper；S02：The fragile paper back side (special broken) with glue；S03：Art paper ground；S04：It is printed with the easy of RFID antenna
Shredded paper-art paper group combined paper；S05：The S04 art papers back side；S06：RFID electronic label finished product after encapsulation；S07：Radium-shine or mould
Cut equipment；S08：RFID electronic label finished product
Fig. 6 is that the super high frequency radio frequency used in the embodiment of the present invention identifies antenna pattern.
Specific implementation mode
Present disclosure is illustrated with reference to the accompanying drawings and examples：
Embodiment 1
A kind of RFID antenna of the present embodiment, including fragile paper base material 4 and antenna pattern 3, the fragile paper base material 4
Bottom-surface coated has glue 5；The antenna pattern 3 is printed by photocuring by electrically conductive ink and is compacted at fragile paper base material 4；It is described
Electrically conductive ink (#1) includes following component by weight：6 parts of the graphene nanometer sheet that lamella size is 2~5 μm, grain size are 1~2
μm 52 parts of Argent grain, matrix prepolymer be 22 parts of epoxy acrylic resin, activity diluting monomer be 13 parts of alcohol acrylate, light
4 parts of initiator, 0.2 part of photosensitizer, 0.3 part of coupling agent, 0.5 part of dispersant, 2 parts of auxiliary agent.The auxiliary agent includes levelling agent.
A kind of above-mentioned RFID antenna preparation method, includes the following steps：
(1) preparation of electrically conductive ink：Matrix prepolymer, activity diluting monomer are weighed by above-mentioned quality, sequentially adds and weighs
Graphene nanometer sheet, Argent grain be stirred dispersion, dispersant and coupling agent is then added and continues to be dispersed with stirring 0.5h, then adds
Enter photoinitiator, photosensitizer and auxiliary agent to continue to be dispersed with stirring；Mixture after dispersion is obtained by the grinding of three rollers and homogenization
To #1 electrically conductive inks；
(2) it prints：Electrically conductive ink is printed by printing technology in fragile paper base material 4 (in broken), it is described frangible
Paper base material 4 is covered on by glue 5 on art paper 6, and antenna pattern 3 is obtained after printing；
(3) photocuring：The UV-LED light source module groups of antenna pattern 3 are irradiated into 10s to solidification, the UV-LED light sources include
Centre wavelength is the UVA light sources of 365nm, and the energy of the UV-LED light sources unit area is 6000MJ/cm2, UV-LED light sources
For module with the linear speed of 1~3m/min around center axis rotation, the gross area that shines is 0.2m2, general power 2kW；
(4) it is compacted：Antenna pattern 3 after photocuring is compacted by the pressing process that two roller spacing are 6 μm, is obtained
Closely knit RFID antenna, thickness d-△ d are 6 μm.
The pressing process is will to cure back loading to have the coiled material horizontal transmission of antenna pattern of the same size by two
Cylinder roller two pairs of rollers gap, described two press rollers have section radius of a size and excircle, vertical direction alignment solid
Fixed, gap spacing is 8 μm, and the rolling linear velocity for suppressing roller is consistent with antenna web strip transmission speed.
A kind of RFID electronic label of frangible anti-transfer, applies above-mentioned RFID antenna, which includes easy
The RFID antenna of shredded paper plane materiel 1, chip 2 and the present embodiment；The chip 2 and antenna pattern 3 are packaged in frangible paper facer 1
Between fragile paper base material 4.The frangible paper facer 1 and chip 2, antenna pattern 3 contact surface between be additionally provided with glue 5.
A kind of preparation method of the RFID electronic label of frangible anti-transfer of the present embodiment, includes the following steps：
(1) in above-mentioned RFID antenna surface fixed chip 2, and frangible paper facer 1 of the inner surface containing glue 5 is sticked
(special broken), obtains packaged RFID electronic label；
(2) notch is processed in packaged RFID electronic label using radium-shine or die-cutting device, obtains frangible anti-rotation
The RFID electronic label product of shifting.
Above-mentioned electronic tag using when be covered on 7 surface of article, when fragile paper base material 4 and frangible paper facer 1 are in incision
Antenna pattern 3 tears to pieces destruction immediately when stress is torn.
Embodiment 2
Embodiment 2 and embodiment 1 difference lies in：The electrically conductive ink (#2) includes following component by weight：Lamella
3 parts of the graphene nanometer sheet that size is 5~10 μm, 48 parts of the Argent grain that grain size is 0.1~1 μm, matrix prepolymer are polyurethane
20 parts of acrylic resin, activity diluting monomer are 15 parts of neopentylglycol diacrylate (TPGDA), and photoinitiator 184 and 369 is respectively
2.5 parts, 0.2 part of photosensitizer thioxanthone, 0.3 part of coupling agent, 0.5 part of dispersant, 2 parts of auxiliary agent.
A kind of RFID antenna preparation method, includes the following steps in the present embodiment：
(1) preparation of electrically conductive ink：Matrix prepolymer, activity diluting monomer are weighed by above-mentioned quality, sequentially adds and weighs
Graphene nanometer sheet, Argent grain be stirred dispersion, dispersant and coupling agent is then added and continues to be dispersed with stirring 0.5h, then adds
Enter photoinitiator, photosensitizer and auxiliary agent to continue to be dispersed with stirring；Mixture after dispersion is obtained by the grinding of three rollers and homogenization
To #2 electrically conductive inks；
(2) it prints：Electrically conductive ink is printed by printing technology in fragile paper base material 4 (in broken), it is described frangible
Paper base material 4 is covered on by glue 5 on art paper 6, and antenna pattern 3 is obtained after printing；
(3) photocuring：The UV-LED light sources of antenna pattern 3 are irradiated into 12s to curing, the UV-LED light sources include center
Wavelength is the UVA light sources of 385nm, and the energy of the UV-LED light sources unit area is 5000MJ/cm2, UV-LED light source module groups
With the linear speed of 1~3m/min around center axis rotation, the gross area that shines is 0.2m2, general power 3kW；
(4) it is compacted：Antenna pattern 3 after photocuring is compacted by the pressing process that two roller spacing are 7 μm, is obtained
Closely knit RFID antenna.
Embodiment 3
Embodiment 3 and embodiment 1 difference lies in：The electrically conductive ink (#3) includes following component by weight：Lamella
5 parts of the graphene nanometer sheet that size is 2~5 μm, 45 parts of the Argent grain that grain size is 2~5 μm, matrix prepolymer are polyoxyalkylene acrylate
24 parts of ester, activity diluting monomer are lauryl acrylate and each 7 parts of acrylic acid tetrahydrofuran ester, and photoinitiator DETX and ITX is each
2.5 parts, 0.2 part of photosensitizer 4- methyl benzophenones, 0.2 part of coupling agent, 0.6 part of dispersant, 2 parts of the auxiliary agents such as levelling agent.
A kind of RFID antenna preparation method, includes the following steps in the present embodiment：
(1) preparation of electrically conductive ink：Matrix prepolymer, activity diluting monomer are weighed by above-mentioned quality, sequentially adds and weighs
Graphene nanometer sheet, Argent grain be stirred dispersion, dispersant and coupling agent is then added and continues to be dispersed with stirring 0.5h, then adds
Enter photoinitiator, photosensitizer and auxiliary agent to continue to be dispersed with stirring；Mixture after dispersion is obtained by the grinding of three rollers and homogenization
To #3 electrically conductive inks；
(2) it prints：Electrically conductive ink is printed by printing technology in fragile paper base material 4 (in broken), it is described frangible
Paper base material 4 is covered on by glue 5 on art paper 6, and antenna pattern 3 is obtained after printing；
(3) photocuring：The UV-LED light sources of antenna pattern 3 are irradiated into 15s to curing, the UV-LED light sources include center
Wavelength is the UVA light sources of 395nm, and the energy of the UV-LED light sources unit area is 5500MJ/cm2, UV-LED light source module groups
With the linear speed of 1~3m/min around center axis rotation, the gross area that shines is 0.2m2, general power 2.5kW；
(4) it is compacted：Antenna pattern 3 after photocuring is compacted by the pressing process for being 7 μm by two roller spacing,
Obtain closely knit RFID antenna.
Embodiment 4
Embodiment 4 and embodiment 1 difference lies in：The electrically conductive ink (#4) includes following component by weight：Lamella
6 parts of the graphene nanometer sheet that size is 2~5 μm, 44 parts of the Argent grain that grain size is 2~5 μm, matrix prepolymer are epoxy acrylic
26 parts of ester, activity diluting monomer are 15 parts of trimethylolpropane trimethacrylate, photoinitiator EDB 3 parts and photoinitiator
1173 with 2.5 parts, 0.2 part of photosensitizer methyl benzoylformate, 0.3 part of coupling agent, 0.5 part of dispersant, levelling agent etc. other help
2.5 parts of agent.
A kind of RFID antenna preparation method, includes the following steps in the present embodiment：
(1) preparation of electrically conductive ink：Matrix prepolymer, activity diluting monomer are weighed by above-mentioned quality, sequentially adds and weighs
Graphene nanometer sheet, Argent grain be stirred dispersion, dispersant and coupling agent is then added and continues to be dispersed with stirring 0.5h, then adds
Enter photoinitiator, photosensitizer and auxiliary agent to continue to be dispersed with stirring；Mixture after dispersion is obtained by the grinding of three rollers and homogenization
To #4 electrically conductive inks；
(2) it prints：Electrically conductive ink is printed by printing technology in fragile paper base material 4 (in broken), it is described frangible
Paper base material 4 is covered on by glue 5 on art paper 6, and antenna pattern 3 is obtained after printing；
(3) photocuring：The UV-LED light sources of antenna pattern 3 are irradiated into 20s to curing, the UV-LED light sources include center
Wavelength is the UVA light sources of 315nm, and the energy of the UV-LED light sources unit area is 6000MJ/cm2, UV-LED light source module groups
With the linear speed of 1~3m/min around center axis rotation, the gross area that shines is 0.2m2, general power 2kW；
(4) it is compacted：Antenna pattern 3 after photocuring is compacted by the pressing process for being 8 μm by two roller spacing,
Obtain closely knit RFID antenna.
Embodiment 5
Embodiment 2 and embodiment 1 difference lies in：The electrically conductive ink includes following component by weight：Lamella size
For 5~10 μm of 28 parts of graphene nanometer sheet, 32 parts of the Argent grain that grain size is 0.1~1 μm, matrix prepolymer is polyurethane propylene
1 part of acid resin, activity diluting monomer are 1 part of neopentylglycol diacrylate (TPGDA), photoinitiator 184 and 369 each 2.5 parts,
0.2 part of photosensitizer thioxanthone, 0.3 part of coupling agent, 0.5 part of dispersant, 2 parts of auxiliary agent.
Embodiment 6
Embodiment 6 and embodiment 1 difference lies in：The electrically conductive ink includes following component by weight：Lamella size
For 5~10 μm of 13 parts of graphene nanometer sheet, 66 parts of the Argent grain that grain size is 2~5 μm, matrix prepolymer is epoxy acrylate
10 parts, activity diluting monomer is 15 parts of trimethylolpropane trimethacrylate, photoinitiator EDB 3 parts and photoinitiator 1173
With 2.5 parts, 0.2 part of photosensitizer methyl benzoylformate, 0.3 part of coupling agent, 0.5 part of dispersant, other auxiliary agents 2.5 such as levelling agent
Part.
Embodiment 7
Embodiment 7 and embodiment 1 difference lies in：(3) photocuring：The UV-LED light source module groups of antenna pattern 3 are irradiated
For 120s to curing, the UV-LED light sources include the UVA light sources that centre wavelength is 315nm, the UV-LED light sources unit area
Energy be 5000MJ/cm2, with the linear speed of 1~3m/min around center axis rotation, the gross area that shines is UV-LED light source module groups
0.2m2, general power 2kW；
(4) it is compacted：Antenna pattern 3 after photocuring is compacted by the pressing process that two roller spacing are 3 μm, is obtained
Closely knit RFID antenna, thickness d-△ d are 3 μm.
Comparative example application examples
(1) ink material of the low-temperature conductive silver paste (LI-A100) of certain company production as printed antenna, silver content are used
It is 75%.
(2) conductive silver paste in (1) is printed by silk-screen printing technique on frangible paper substrates (in broken) and is obtained
RFID antenna.
(3) the RFID antenna pattern 3 of printing is obtained into RFID antenna in 15 minutes using heat cure drying and processing.
(4) fragile paper (special broken) plane materiel of inner surface containing glue 5 is sticked on the RFID antenna surface of printing, obtains common
RFID electronic label.
The different ink product printings of table 1 prepare the performance comparison of RFID antenna
As seen from the above table, RFID antenna performance of the invention is significantly better than comparative example.
Skilled person will appreciate that when the technical parameter of the present invention changes in the following range, it is contemplated that obtain
Same as the previously described embodiments or similar technique effect：
The electrically conductive ink includes following component by weight：0.1~30 part of graphene nanometer sheet, 1~80 part of Argent grain,
1~26 part of matrix prepolymer, 1~15 part of activity diluting monomer, 0.1~5.5 part of photoinitiator, 0.1~2 part of photosensitizer, coupling
0.1~3 part of agent, 0.1~5 part of dispersant, 0.1~5 part of auxiliary agent.
The graphene nanometer sheet lamella size is 0.01~20 μm.
The Argent grain size is 0.01~20 μm.
Described matrix prepolymer includes epoxy acrylate, urethane acrylate, polyether acrylate, ammonia modified propylene
At least one of acid esters, polyester acrylate resin.
The activity diluting monomer is Monofunctional monomers, bifunctional monomer, trifunctional monomer, four-functional group monomer
Or polyfunctional group degree monomer, including aliphatic acrylate, aromatic acrylates, alkoxide acrylate, preferably include third
Olefin(e) acid lauryl, acrylic acid tetrahydrofuran ester, 1,6-HD acrylate, trimethylolpropane trimethacrylate, Yi Jiyi
(the third) alkyl diols and the alkyl tetrol acrylic acid such as oxidation neopentyl glycol acrylate, (third) oxidation pentaerythritol acrylate
Ester.
The photoinitiator is radical photoinitiator, including (2,4,6- trimethyl benzoyl diphenyl bases aoxidize TPO
Phosphine), DETX (2,4- diethyl thioxanthones), ITX (isopropyl thioxanthone), EDB (ethyl 4-dimethylaminobenzoate),
1173 (2- hydroxy-2-methyl -1- phenylacetones), 184 (1- hydroxy cyclohexyl phenylketones), 907 (2- methyl-1s-(4- first sulfydryls
Phenyl) -2- morpholine -1- acetone), at least one of 369 (2- benzyl -2- dimethyl -1- (4- morpholinyl phenyls) -1- butanone).
The photosensitizer is in 4- methyl benzophenones, 4- phenyl benzophenones, methyl benzoylformate, thioxanthone
It is one or two kinds of.
The coupling agent is at least one of titanate coupling agent, aluminate coupling agent, silane coupling agent.
The dispersant includes at least one of polyacrylic acid, thioacetic acid class dispersant.
The auxiliary agent includes fluorin modified crylic acid resin, organic silicon modified by polyether oxygen alkane levelling agent and other auxiliary agents.
Centered on the UV-LED light sources wavelength be 315-420nm UVA light sources, preferably 365,385,395nm, 405nm,
Energy preferably 5000~7000MJ/cm of UV-LED light source unit areas2。
The antenna pattern can design as needed, be not limited only to antenna pattern shown in attached drawing.
The above, only present pre-ferred embodiments, therefore cannot limit the scope of implementation of the present invention according to this, i.e., according to
Equivalent changes and modifications made by the scope of the claims of the present invention and description all should still belong in the range of the present invention covers.
Claims (12)
1. a kind of RFID electronic label preparation method of frangible anti-transfer, which is characterized in that include the following steps：
(1) preparation of electrically conductive ink：Matrix prepolymer, activity diluting monomer are weighed by quality, sequentially adds the graphene weighed
Nanometer sheet, Argent grain are stirred dispersion, and dispersant and coupling agent is then added and continues to be dispersed with stirring, add photoinitiator,
Photosensitizer and auxiliary agent continue to be dispersed with stirring；Mixture after dispersion is obtained into electrically conductive ink by the grinding of three rollers and homogenization；
(2) it prints：Electrically conductive ink is printed by printing technology in fragile paper base material, antenna pattern is obtained；
(3) photocuring：Antenna pattern UV-LED light sources are irradiated into 5s~120s to curing, the UV-LED light sources include center
Wavelength is the UVA light sources of 315-420nm, and the energy of the UV-LED light sources unit area is 5000~7000MJ/cm2；
(4) it is compacted：It is 3~15 μm that antenna pattern after photocuring is densified to thickness by pressing process, is obtained closely knit
RFID antenna.
(5) in RFID antenna surface fixed chip, and frangible paper facer of the inner surface containing glue is sticked, obtained packaged
RFID electronic label；
(6) notch is processed in packaged RFID electronic label using radium-shine or die-cutting device, obtains finished product.
2. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It is 0.01~20 μm to state graphene nanometer sheet size.
3. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It is 0.01~20 μm to state Argent grain granularity.
4. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It includes epoxy acrylate, urethane acrylate, polyether acrylate, ammonia modification acrylate, polyester to state matrix prepolymer
At least one of acrylate.
5. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It includes aliphatic acrylate, aromatic acrylates, alkoxide acrylate to state activity diluting monomer.
6. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It is radical photoinitiator, including 2,4,6-trimethylbenzoyldiphenylphosphine oxide, 2,4- diethyl to state photoinitiator
Thioxanthone, isopropyl thioxanthone, ethyl 4-dimethylaminobenzoate, 2- hydroxy-2-methyl -1- phenylacetones, 1- hydroxyls
Butylcyclohexyl Benzophenone, 2- methyl-1s-(4- first mercaptophenyl) -2- morpholine -1- acetone, 2- benzyl -2- dimethyl -1- (4-
At least one of quinoline phenyl) -1- butanone.
7. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It is 4- methyl benzophenones, 4- phenyl benzophenones, methyl benzoylformate, one kind in thioxanthone or two to state photosensitizer
Kind.
8. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It is at least one of titanate coupling agent, aluminate coupling agent, silane coupling agent to state coupling agent.
9. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It includes at least one of polyacrylic acid, thioacetic acid class dispersant to state dispersant.
10. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (1)
It includes at least one of fluorin modified crylic acid resin, organic silicon modified by polyether oxygen alkane levelling agent to state auxiliary agent.
11. a kind of RFID electronic label of frangible anti-transfer according to claim 1, it is characterised in that：Institute in step (2)
Stating coated on one side of the fragile paper base material without antenna pattern has glue.
12. special using a kind of RFID electronic label of frangible anti-transfer prepared by any one of claim 1~11 the method
Sign is：Include frangible paper facer, plane materiel glue layer, chip, antenna pattern, fragile paper base material and base material glue successively from top to bottom
Water layer；The antenna pattern is printed on fragile paper base material upper surface by light-cured type electrically conductive ink；The chip and antenna pattern
Connection, and be packaged between frangible paper facer and fragile paper base material, it is fixed by plane materiel glue layer；The fragile paper base material and frangible
Paper facer is equipped with notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810186213.6A CN108764429A (en) | 2018-03-07 | 2018-03-07 | A kind of RFID electronic label and preparation method thereof of frangible anti-transfer |
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| CN201810186213.6A CN108764429A (en) | 2018-03-07 | 2018-03-07 | A kind of RFID electronic label and preparation method thereof of frangible anti-transfer |
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| CN112308190A (en) * | 2020-10-10 | 2021-02-02 | 山东华冠智能卡有限公司 | RFID electronic tag production line based on graphene conductive paste |
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