CN112381201A - Manufacturing method of RFID antenna paper base based on recycled paper and RFID electronic tag - Google Patents
Manufacturing method of RFID antenna paper base based on recycled paper and RFID electronic tag Download PDFInfo
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- CN112381201A CN112381201A CN202011321998.7A CN202011321998A CN112381201A CN 112381201 A CN112381201 A CN 112381201A CN 202011321998 A CN202011321998 A CN 202011321998A CN 112381201 A CN112381201 A CN 112381201A
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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
- G06K19/07718—Constructional details, e.g. mounting of circuits in the carrier the record carrier being manufactured in a continuous process, e.g. using endless rolls
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/28—Polyesters
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Details Of Aerials (AREA)
Abstract
The invention relates to the technical field of RFID (radio frequency identification) manufacturing, and particularly discloses a manufacturing method of an RFID antenna paper base based on recycled paper and an RFID electronic tag, wherein the method adopts the recycled copy paper, and the RFID antenna paper base (the recycled paper base for short) is manufactured by rolling, curing and film-coating for at least two times to obtain the RFID antenna paper base, and the physical properties of the RFID antenna paper base can reach the standard of raw paper, so that the RFID antenna paper base can replace the raw paper to produce the RFID electronic tag; the success of the recycled paper base means that leftover materials and the like generated in the production process of the paper base can be put into the production of recycled paper pulp again, and the recycling rate is high; the introduction of the regenerated copy paper reduces the production of the original paper pulp, is green and environment-friendly, and effectively protects resources. According to the RFID electronic tag provided by the invention, the recycled paper base is adopted, so that the use of original paper pulp or a PET film which is difficult to degrade is avoided, the RFID electronic tag is green and environment-friendly, and resources are effectively protected.
Description
Technical Field
The invention relates to the technical field of RFID (radio frequency identification) manufacturing, in particular to a manufacturing method of an RFID antenna paper base based on recycled paper and an RFID electronic tag.
Background
The electronic tags that the RFID trade used usually uses PET film antenna as main substrate, and compound paper plane materiel uses after the chip is bound, for solving the difficult problem of PET degradation, also begin to promote paper substrate (glassine, coated paper) antenna on the market and directly bind the chip and use gradually, reduce the PET and use. However, the use of a large amount of paper base materials brings new environmental problems, a large amount of raw wood and other paper making raw materials are felled, and the environmental pollution generated in the paper making process is more serious. Compared with the base paper pulp, the recycled paper pulp has certain differences in physical properties, flatness, surface gloss and the like, and can be used for manufacturing the RFID antenna after the performance of the recycled paper pulp is improved.
Disclosure of Invention
The invention provides a method for manufacturing an RFID antenna paper base based on recycled paper and an RFID electronic tag, and solves the technical problems that: how to use recycled paper to make an antenna substrate suitable for an RFID label.
In order to solve the technical problems, the invention provides a method for manufacturing an RFID antenna paper base based on recycled paper, which comprises the following steps:
s1, performing primary calendering on the recycled copy paper serving as a paper base to increase the density of the paper by at least 20%;
s2, performing primary soaking and film spraying on the ground paper base by adopting a first polyester waterproof agent;
s3, carrying out primary curing on the paper base subjected to primary soaking and film spraying to enable the curing degree to reach more than 80%;
s4, performing secondary calendering on the paper base after the primary curing to increase the density by at least 5%;
s5, adopting a second polyester waterproof agent to carry out second soaking and film spraying on the paper base subjected to second rolling;
s6, carrying out secondary curing on the paper base subjected to the secondary soaking and film spraying to enable the curing degree to reach 100% and obtain the RFID antenna paper base.
Further, controlling the thickness of the paper base after the first rolling to be 60-100 microns; and controlling the thickness of the paper base after the second rolling to be 30-50 microns.
Further, the thickness of the first soaking drenching film is controlled to be not more than 6 microns; the thickness of the second soaking drench membrane is controlled not to exceed 4 microns.
Further, the first polyester type waterproofing agent and the second polyester type waterproofing agent are formed by mixing polyester polyol, ethyl acetate, polyol compounds and additives, wherein the additives comprise an emulsifier.
Further, in the first polyester type waterproofing agent, the polyester polyol, the ethyl acetate, the polyol compound and the additive are respectively in the following component ratios: 30-35%, 30-40%, 2-5% and 20-40%, wherein the proportion of the emulsifier is 15-20%.
Further, in the second polyester type waterproofing agent, the volume ratio of the polyester polyol, the ethyl acetate, the polyol compound and the additive is respectively: 35-40%, 2-5% and 20-30%, wherein the proportion of the emulsifier is 20-25%.
Further, the paper base after the second curing is subjected to aluminum coating, printing and etching to obtain the antenna part for manufacturing the RFID electronic tag.
The invention also provides an RFID electronic tag and a regenerated antenna substrate layer of the antenna substrate prepared by the preparation method.
Further, the RFID label also comprises a label main body and a traction strip, wherein a first die cutting knife line is arranged between the label main body and the traction strip;
the tag main body is internally provided with an electronic tag chip, a main antenna and an anti-counterfeiting closed loop, wherein the anti-counterfeiting closed loop comprises a main coil fixed in the tag main body and a traction coil extending into the traction strip; the traction coil and the main body coil are fixed through glue materials with different strengths respectively, and the label main body and the surface material on the top surface of the traction strip are torn off when external force is applied, and the traction coil and the main body coil are broken.
Further, the main antenna comprises a high-frequency antenna, and the high-frequency antenna is an aluminum coil and is distributed in a first preset circular area; the aluminum coil is adhered to a second strong adhesive layer of the substrate, the second strong adhesive layer, the fragile film layer, a third strong adhesive layer and the regeneration antenna substrate layer are sequentially arranged on the aluminum coil, a high-frequency bridge surface corresponding to the aluminum coil is adhered to the upper surface of the regeneration antenna substrate layer through a fourth strong adhesive layer, and a surface material is adhered to the high-frequency bridge surface;
the traction strip comprises a base material and a surface material which are integrally formed with the tag main body, and a main body coil of the anti-counterfeiting closed loop is wound around the periphery of the high-frequency antenna, is in an arc shape and is adhered to the first strong adhesive layer; the traction coil of the anti-counterfeiting closed loop is rectangular and is bonded on a substrate of the traction strip through a first weak glue layer the upper layer of the traction coil is also sequentially provided with a second weak glue layer and a regeneration antenna substrate layer, and a surface material is bonded on the regeneration antenna substrate layer.
The invention provides a method for manufacturing an RFID antenna paper base based on recycled paper, which has the beneficial effects that:
1. the RFID paper base (called as regenerated paper base for short) is made by adopting regenerated copy paper through at least twice rolling, twice curing and twice soaking and laminating, the physical properties of the RFID paper base can reach the standard of the original paper, and the RFID paper base can replace the original paper to produce RFID electronic tags;
2. the success of the recycled paper base means that leftover materials and the like generated in the production process of the paper base can be put into the production of recycled paper pulp again, and the recycling rate is high;
3. the introduction of the regenerated copy paper reduces the production of the original paper pulp, is green and environment-friendly, and effectively protects resources.
According to the RFID electronic tag provided by the invention, the recycled paper base is adopted, so that the use of original paper pulp or a PET film which is difficult to degrade is avoided, the RFID electronic tag is green and environment-friendly, and resources are effectively protected.
Drawings
FIG. 1 is a flow chart of steps of a method for manufacturing an RFID antenna paper base based on recycled paper, which is provided by embodiment 1 of the invention;
FIG. 2 is a schematic diagram of calendering provided in example 1 of the present invention;
fig. 3 is a perspective view of an RFID tag provided in embodiment 2 of the present invention;
fig. 4 is a hierarchical diagram of a tag body of an RFID electronic tag according to embodiment 2 of the present invention;
fig. 5 is a level diagram of a pulling strip of an RFID electronic tag according to embodiment 2 of the present invention.
The reference numerals include: the tag comprises a tag main body 1, a traction strip 2, release paper 100, an electronic tag chip 101, a main body coil 102, a traction coil 103, a first strong adhesive layer 104, conductive adhesive 105, a high-frequency antenna 106, a second strong adhesive layer 107, a fragile film layer 108, a third strong adhesive layer 109, a regenerated antenna substrate layer 110, a fourth strong adhesive layer 111, a high-frequency bridge floor 112, an ultrahigh-frequency antenna 113, a plane materiel 114, a first die-cutting knife line L1, a first weak adhesive layer 201, a second weak adhesive layer 202 and a fragile film 203.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, which are given solely for the purpose of illustration and are not to be construed as limitations of the invention, including the drawings which are incorporated herein by reference and for illustration only and are not to be construed as limitations of the invention, since many variations thereof are possible without departing from the spirit and scope of the invention.
Example 1
In order to manufacture an antenna substrate suitable for an RFID tag by using recycled paper, an embodiment of the present invention provides a method for manufacturing an RFID antenna paper substrate based on recycled paper, as shown in fig. 1, including the steps of:
s1, performing primary calendering on the recycled copy paper serving as a paper base to increase the density of the paper by at least 20%;
s2, performing primary soaking and film spraying on the ground paper base by adopting a first polyester waterproof agent;
s3, carrying out primary curing on the paper base subjected to primary soaking and film spraying to enable the curing degree to reach more than 80%;
s4, performing secondary calendering on the paper base after the primary curing to increase the density by at least 5%;
s5, adopting a second polyester waterproof agent to carry out second soaking and film spraying on the paper base subjected to second rolling;
s6, carrying out secondary curing on the paper base subjected to the secondary soaking and film spraying to enable the curing degree to reach 100% and obtain the RFID antenna paper base.
After the steps of S1-S6, the antenna paper base with the thickness of 30-50 microns and used for producing the RFID label can be obtained.
The principle of calendering can be seen in fig. 2, i.e. two press rollers are used to apply a downward pressure G to the paper substrate, which pressure is decomposed into a force in the F-direction and a reaction force in the P-direction during the advance of the press rollers. Through the size that sets up pressure, can realize pressing the paper base to the thickness of predetermineeing that satisfies the demand.
The thickness of the paper base after the first rolling is 60-100 microns, and the first rolling does not need to be too thin, so that the first soaking and laminating are facilitated. The thickness of the antenna base material is controlled, and the thickness of the first soaking and laminating film is controlled to be not more than 6 micrometers under the condition of not increasing the rolling difficulty; the thickness of the second soaking drench membrane is controlled not to exceed 4 microns.
This example preferably performed two calendering, two curing, two lamination, a 25% increase in the first calendering density, 85% increase in the first curing, and a 5% increase in the second calendering density.
It should be noted that:
the pressure and speed need to be accurately controlled in the calendering process, and the running stability of equipment is extremely high;
the curing rate of the polyester waterproof agent after the first soaking needs to be strictly controlled, so that the paper is prevented from being stuck on a roller and broken in the calendering process;
the surface flatness control of the paper base is required to be increased during the second rolling, and the rolling force control needs to be accurate;
the curing degree of the second film-coating polyester reaches 100 percent, which is convenient for the production of the next procedure.
The parameters of this example for two-calendering, two-dip lamination and two-cure are shown in table 1 below.
TABLE 1
The process of infiltrating the drenching film is not only the process of increasing the waterproof performance, but also the process of improving the tensile strength, and a proper polyester type waterproof agent needs to be selected.
Specifically, the first polyester-based waterproofing agent and the second polyester-based waterproofing agent in this embodiment are formed by mixing polyester polyol, ethyl acetate, polyol compound, and an additive, where the additive includes an emulsifier.
The addition of the emulsifier can reduce the viscosity of the waterproof agent, facilitate the control of the thickness of the wetting and spraying film, and simultaneously enable the waterproof agent to be mixed more uniformly and improve the wetting effect.
More specifically, in the first polyester type waterproofing agent, the polyester polyol, the ethyl acetate, the polyol compound and the additive are respectively in the following component ratios: 30-35%, 30-40%, 2-5% and 20-40%, wherein the proportion of the emulsifier is 15-20%.
In the second polyester type waterproof agent, the volume ratio of polyester polyol, ethyl acetate, polyol compound and additive is respectively as follows: 35-40%, 2-5% and 20-30%, wherein the proportion of the emulsifier is 20-25%.
The second polyester-based water repellent has a higher specific gravity of polyester polyol and ethyl acetate than the first polyester-based water repellent, and a higher specific gravity of an emulsifier, and the specific gravity of other additives and polyol compounds is appropriately decreased. The purpose of this is to make the film thickness lower, but the water-repellent effect is better.
After the recycled paper base is processed, the density and the waterproof performance can meet the requirements of manufacturing of the RFID antenna, and aluminum coating, printing and etching production are carried out to obtain the antenna part which can be applied to manufacturing of the RFID electronic tag. The relevant parameters of the aluminum coating, printing and etching production are shown in the following table 2.
TABLE 2
The method for manufacturing the RFID antenna paper base based on the recycled paper has the advantages that:
1. the RFID paper base (called as regenerated paper base for short) is made by adopting regenerated copy paper through at least twice rolling, twice curing and twice soaking and laminating, the physical properties of the RFID paper base can reach the standard of the original paper, and the RFID paper base can replace the original paper to produce RFID electronic tags;
2. the success of the recycled paper base means that leftover materials and the like generated in the production process of the paper base can be put into the production of recycled paper pulp again, and the recycling rate is high;
3. the introduction of the regenerated copy paper reduces the production of the original paper pulp, is green and environment-friendly, and effectively protects resources.
According to the RFID electronic tag provided by the invention, the recycled paper base is adopted, so that the use of original paper pulp or a PET film which is difficult to degrade is avoided, the RFID electronic tag is green and environment-friendly, and resources are effectively protected.
Example 2
The present embodiment provides an RFID electronic tag, as shown in fig. 3 to 5, including a regenerated antenna substrate layer 110 that is an antenna substrate produced based on the regenerated paper described in application embodiment 1.
Specifically, the RFID label comprises a label main body 1 and a traction strip 2, wherein a first die cutting knife line L1 is arranged between the label main body 1 and the traction strip 2;
the tag comprises a tag body 1, wherein an electronic tag chip 101, a body antenna and an anti-counterfeiting closed loop are arranged in the tag body 1, and the anti-counterfeiting closed loop comprises a body coil 102 fixed in the tag body 1 and a traction coil 103 extending into a traction strip 2; the pull coil 103 and the body coil 102 are fixed by adhesive materials of different strengths, respectively, and so that when an external force tears the face material 114 (of the self-adhesive layer) on the top surfaces of the label body 1 and the pull strip 2, the pull coil 103 and the body coil 102 are broken.
The anti-counterfeiting closed loop of the embodiment adopts fragile antenna technology and strong and weak glue of the application part, when external force is applied to tear, the anti-counterfeiting closed loop is subjected to unrecoverable fracture, the electronic tag chip 101 controls the main antenna to close the function after detecting the fracture, and the anti-counterfeiting closed loop can not be repeatedly peeled off after being attached to the surface of an object, so that the anti-counterfeiting of the product is realized.
As shown in fig. 4, the tag main body 1 includes a substrate, the substrate includes a first strong adhesive layer 104 with a release paper 100 adhered to a bottom surface thereof, the electronic tag chip 101 is adhered to the first strong adhesive layer 104, and the main antenna is electrically connected to the electronic tag chip 101 through a conductive adhesive 105. Preferably, in this embodiment, the main antenna includes a high-frequency antenna 106, and the high-frequency antenna 106 is an aluminum coil and is distributed in the first preset circular area; the aluminum coil is bonded on the first reinforced adhesive layer 104, a second reinforced adhesive layer 107, a fragile film layer 108, a third reinforced adhesive layer 109 and a regenerative antenna substrate layer 110 are sequentially arranged on the first reinforced adhesive layer, and a high-frequency bridge-crossing surface 112 corresponding to the aluminum coil is further bonded on the upper surface of the regenerative antenna substrate layer 110 through a fourth reinforced adhesive layer 111. Preferably, the main antenna further includes an ultra-high frequency antenna 113, and the ultra-high frequency antenna 113 is an aluminum dipole antenna and is distributed in the second predetermined circular area. The ultrahigh frequency antenna 113 is embedded between the third strong adhesive layer 109 and the fragile membrane layer 108, the first preset circular area is positioned in the second preset circular area, but the routing of the high frequency antenna 106 and the ultrahigh frequency antenna 113 are not overlapped in the same vertical direction; the connection line of the uhf antenna 113 is connected to the conductive adhesive 105 through the frangible film layer 108 and the second layer of adhesive 107 (connection line not shown).
In the embodiment, a part of fragile antenna process (the fragile film layer 108) and the strong glue (the first strong glue layer 104, the second strong glue layer 107, the third strong glue layer 109 and the fourth strong glue layer 111) are applied, so that the high-frequency antenna and the ultrahigh-frequency antenna cannot be repeatedly peeled off after being attached to the surface of an object, and the anti-counterfeiting effect of the product is enhanced.
As shown in fig. 3, the aluminum dipole antenna is disposed in a vertically symmetrical manner, and the single-sided antenna is bent from an aluminum line having a predetermined width to form a plurality of continuous arc lines, and the length of the arc line on the inner side is shorter, thereby effectively compressing the space.
As shown in fig. 4, the traction strip 2 of this embodiment includes a substrate and a surface material 114 integrally formed with the tag main body 1, the main coil 102 of the anti-counterfeit closed loop is wound around the periphery of the high-frequency antenna 106 and is in an arc shape, and is bonded to the first weak glue layer 104, the traction coil 103 of the anti-counterfeit closed loop is in a rectangular shape, and is bonded to the substrate of the traction strip 2 through the first weak glue layer 201, and the second weak glue layer 202 and the regenerated antenna substrate layer 110 are further sequentially disposed on the upper layer of the traction coil 103. The first weak adhesive layer 201 and the second weak adhesive layer 202 have different strengths, and are respectively bonded and fixed to the traction coil 103 through the fragile films 203 alternately arranged at equal intervals. The matching of the fragile film 203 and the related glue layers which are alternately arranged at equal intervals enables the traction coil 103 to be broken at the position of the fragile film 203, the traction coil 103 above the fragile film 203 follows the torn part, the traction coil 103 below the fragile film 203 continues to be reserved, and the segmented tearing of the traction coil 103 is completed.
As a preferred embodiment, the present embodiment provides:
1. the size of the label body 1 is 40mm by 40 mm;
2. the size of the traction bar 2 is 40mm by 14 mm;
3. the outer diameter of the high-frequency antenna 106 is 20mm, and the line width is 0.3 mm;
4. the main body coil 102 is close to the high-frequency antenna 106, the diameter of the main body coil is 26mm, the line width of the main body coil is 0.3mm, and the diameter of the corresponding first preset circular area is matched with the outer diameter of the high-frequency antenna 106;
5. the diameter of the longest circular arc of the ultrahigh frequency antenna 113 is 37mm, the line width is 0.3mm, and the corresponding second preset circular area is adapted to the outer diameter of the ultrahigh frequency antenna 113;
6. the size of the traction coil 103 is 36mm x 10mm, and the line width is 0.3 mm;
7. the length of the first die cutter line L1 is 14mm of the width of the draw strip 22;
8. the cross-shaped die cutting knife line arranged in the center of the high-frequency antenna 106 is adapted to the hollow area of the high-frequency antenna 106;
9. the arc-shaped die cutting knife line is arranged between the high-frequency antenna 106 and the ultrahigh-frequency antenna 113 and is 9 +/-1 mm long;
10. the die cutting knife line arranged corresponding to the conductive adhesive 105 is matched with the T-shaped structure arranged on the conductive adhesive 105 and is also arranged in a T shape, the long side is 10.5 +/-0.25 mm, and the short side is 1.25 +/-0.25 mm;
11. the auxiliary body 3 is the same size as the tag body 101.
It should be noted that the hierarchy shown in fig. 4 and 5 does not include a limitation on height. Specifically, the present embodiment provides:
1. the thickness of the regenerated antenna substrate layer 110 is 38 micrometers, and the thickness of the surface material 114 and the glue layer thereof is 12 micrometers;
2. 3M467 double faced adhesive tape without base material is used as a first strong adhesive layer 104 for attaching objects, and the release paper 100 is 3M467 self-carrying release paper;
3. the thicknesses of the high-frequency antenna 106, the ultrahigh-frequency antenna 113, the traction coil 103 and the main body coil 102 are all 30 micrometers;
4. the thicknesses of the second strong adhesive layer 107 and the fourth strong adhesive layer 111 are both 2 micrometers;
5. the thicknesses of the frangible film layer 108, the frangible film layer 203, the first layer of weakness 201, and the second layer of weakness 202 are all 3 μm.
The RFID electronic tag provided by the embodiment has the beneficial effects that:
1. the anti-counterfeiting closed loop is made of fragile antenna technology and adhesive layers with different strengths, so that the anti-counterfeiting closed loop cannot be peeled off repeatedly after being attached to the surface of an object, and the anti-counterfeiting of a product is realized;
2. similarly, the high-frequency antenna and the ultrahigh-frequency antenna can not be repeatedly peeled off after being attached to the surface of an object by applying a part of fragile antenna process and strong glue, so that the anti-counterfeiting effect of a product is enhanced;
3. by using a special antenna design, the ultrahigh frequency, high frequency and anti-counterfeiting functions are integrated in the smallest area, so that the cost is minimized and the functions are maximized;
4. the specially designed die cutting knife line enhances the anti-counterfeiting function, not only prevents the anti-counterfeiting closed loop from being peeled off, but also enables the high-frequency part and the ultrahigh-frequency part to lose the function after secondary peeling, and thoroughly prevents counterfeiting;
5. the regenerated antenna substrate layer 110 is used for replacing an original PET film antenna or a paper substrate, so that the use of PET which is a difficult-to-degrade material can be avoided, the use of raw paper pulp or a difficult-to-degrade PET film can also be avoided, the environment is protected, and resources are effectively protected.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A manufacturing method of an RFID antenna paper base based on recycled paper is characterized by comprising the following steps:
s1, performing primary calendering on the regenerated copy paper serving as a paper base to increase the density by at least 20%;
s2, performing primary soaking and film spraying on the ground paper base by adopting a first polyester waterproof agent;
s3, carrying out primary curing on the paper base subjected to primary soaking and film spraying to enable the curing degree to reach more than 80%;
s4, performing secondary calendering on the paper base after the primary curing to increase the density by at least 5%;
s5, adopting a second polyester waterproof agent to carry out second soaking and film spraying on the paper base subjected to second rolling;
s6, carrying out secondary curing on the paper base subjected to the secondary soaking and film spraying to enable the curing degree to reach 100% and obtain the RFID antenna paper base.
2. The manufacturing method of the RFID antenna paper base based on the recycled paper as claimed in claim 1, characterized in that: controlling the thickness of the paper base after the first rolling to be 60-100 microns; and controlling the thickness of the paper base after the second rolling to be 30-50 microns.
3. The manufacturing method of the RFID antenna paper base based on the recycled paper as claimed in claim 2, characterized in that: controlling the thickness of the first soaking drenching film to be not more than 6 microns; the thickness of the second soaking drench membrane is controlled not to exceed 4 microns.
4. The method for manufacturing the RFID antenna paper base based on the recycled paper as claimed in claim 1, wherein the first polyester type waterproof agent and the second polyester type waterproof agent are formed by mixing polyester polyol, ethyl acetate, polyol compound and additives, and the additives comprise an emulsifier.
5. The manufacturing method of the RFID antenna paper base based on the recycled paper as claimed in claim 4, characterized in that: in the first polyester type waterproof agent, the polyester polyol, the ethyl acetate, the polyol compound and the additive are respectively in the following component ratio: 30-35%, 30-40%, 2-5% and 20-40%, wherein the proportion of the emulsifier is 15-20%.
6. The manufacturing method of the RFID antenna paper base based on the recycled paper as claimed in claim 4, characterized in that: in the second polyester type waterproof agent, the volume ratio of polyester polyol, ethyl acetate, polyol compound and additive is respectively as follows: 35-40%, 2-5% and 20-30%, wherein the proportion of the emulsifier is 20-25%.
7. The method for manufacturing the RFID antenna paper base based on the recycled paper is characterized in that: and carrying out aluminum coating, printing and etching on the paper base subjected to the secondary curing to obtain the antenna part for manufacturing the RFID electronic tag.
8. An RFID electronic tag, characterized in that: a regenerated antenna substrate layer comprising the antenna substrate produced by the production method according to any one of claims 1 to 6.
9. The RFID tag of claim 8, wherein: the label comprises a label body and a traction strip, wherein a first die cutting knife line is arranged between the label body and the traction strip;
the tag main body is internally provided with an electronic tag chip, a main antenna and an anti-counterfeiting closed loop, wherein the anti-counterfeiting closed loop comprises a main coil fixed in the tag main body and a traction coil extending into the traction strip; the traction coil and the main body coil are fixed through glue materials with different strengths respectively, and the label main body and the surface material on the top surface of the traction strip are torn off when external force is applied, and the traction coil and the main body coil are broken.
10. An RFID tag as claimed in claim 9, wherein:
the main antenna comprises a high-frequency antenna, and the high-frequency antenna is an aluminum coil and is distributed in a first preset circular area; the aluminum coil is adhered to a second strong adhesive layer of the substrate, the second strong adhesive layer, the fragile film layer, a third strong adhesive layer and the regeneration antenna substrate layer are sequentially arranged on the aluminum coil, a high-frequency bridge surface corresponding to the aluminum coil is adhered to the upper surface of the regeneration antenna substrate layer through a fourth strong adhesive layer, and a surface material is adhered to the high-frequency bridge surface;
the traction strip comprises a base material and a surface material which are integrally formed with the tag main body, and a main body coil of the anti-counterfeiting closed loop is wound around the periphery of the high-frequency antenna, is in an arc shape and is adhered to the first strong adhesive layer; the traction coil of the anti-counterfeiting closed loop is rectangular and is bonded on a substrate of the traction strip through a first weak glue layer the upper layer of the traction coil is also sequentially provided with a second weak glue layer and a regeneration antenna substrate layer, and a surface material is bonded on the regeneration antenna substrate layer.
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