WO2006080400A1 - Icカード製造用接着剤、icカードの製造方法及びicカード - Google Patents
Icカード製造用接着剤、icカードの製造方法及びicカード Download PDFInfo
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- WO2006080400A1 WO2006080400A1 PCT/JP2006/301230 JP2006301230W WO2006080400A1 WO 2006080400 A1 WO2006080400 A1 WO 2006080400A1 JP 2006301230 W JP2006301230 W JP 2006301230W WO 2006080400 A1 WO2006080400 A1 WO 2006080400A1
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- Prior art keywords
- film
- adhesive
- card
- skin
- inlet
- Prior art date
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
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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
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2425/00—Cards, e.g. identity cards, credit cards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Definitions
- the present invention relates to an IC card manufacturing method in which an IC module having an IC chip and an antenna is mounted inside a film. More specifically, the present invention relates to an IC card manufacturing adhesive, an IC card manufacturing method, and an IC card.
- An IC card is a card in which an IC module having an IC chip and an antenna is mounted on a film. Compared to magnetic cards that have been used in the past, this IC card has the advantages of quick and simple information transmission and high security against forgery and alteration. Therefore, in recent years, not only in the financial field such as credit cards and cash cards, but also in the field of transportation such as automatic ticket gates at stations and automatic toll collection on highways, and identification fields such as membership cards and registration cards. Its use is expanding in various fields.
- a laminated film is obtained by bonding an epidermal film with an adhesive to an inlet film in which a large number of IC modules having IC chips and antennas are mounted on the film.
- a method is known in which the laminated film is separated for each IC module to obtain a large number of IC cards (see, for example, Patent Document 1).
- a hot melt film type adhesive for example, a patent document
- Patent Document 3 hot-melt adhesive
- 1 liquid moisture curable adhesive for example, see Patent Document 4
- UV curable adhesive for example, see Patent Document 5
- 2 liquid Mixed adhesives see, for example, Patent Document 6
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-194814
- Patent Document 2 JP 2003-285403 A
- Patent Document 3 Japanese Patent Laid-Open No. 2001-216492
- Patent Document 4 Japanese Patent Laid-Open No. 7-156582
- Patent Document 5 Japanese Patent Laid-Open No. 2001-184476
- Patent Document 6 JP-A-8-185498 Disclosure of the invention
- Hot melt film type adhesives as described in Patent Document 2 and hot melt type adhesives as described in Patent Document 3 are one-component types in addition to rapid onset of adhesive strength. Therefore, there is an advantage that it is suitable for continuous application.
- the melting point of the hot melt usually 100
- the convexity of the inlet film mounting the IC chip and the antenna from causing the convexity of the skin film.
- (Over ° C) It was necessary to raise the temperature of the laminated film, and it was still not fully satisfactory in that it might adversely affect heat-sensitive IC chips.
- a one-component moisture curable adhesive as described in Patent Document 4 a UV curable adhesive as described in Patent Document 5, and a two-component mixed adhesive as described in Patent Document 6.
- one-component moisture-curing adhesives cure by reacting with moisture in the air, so that stable production that is easily affected by seasonal fluctuations, skin material, and skin thickness is difficult.
- UV curable adhesives were not suitable for the production of IC cards in that their fast curing characteristics could only be obtained with transparent films.
- the two-component mixed adhesive is not like the one-component moisture curable adhesive or UV curable adhesive, but the adhesive adheres to the coating equipment such as a coater and is laminated to form a film. For this reason, it was necessary to disassemble and clean the coating equipment at regular intervals, leaving the problem that continuous coating for a long time was difficult, and there was still room for improvement.
- the present invention has been made to solve the above-described problems of the prior art. In addition to being able to effectively prevent deterioration and damage of an IC chip due to high temperature, the present invention is continuously applied for a long time.
- the present invention provides an adhesive for manufacturing an IC card that can be applied, an IC card manufacturing method, and an IC card using these.
- the present inventors As a result of intensive studies to solve the problems of the prior art as described above, the present inventors The above problem can be solved by using an adhesive with a ratio of the curing rate at 80 ° C to the curing rate at 40 ° C (the curing rate ratio (80 ° C Z40 ° C)) of a predetermined value or more.
- the present invention has been completed. Specifically, the present invention provides the following adhesive for producing an IC card, an IC card production method and an IC card.
- An inlet film in which a large number of IC modules having IC chips and antennas are mounted on a film, and a skin film covering at least one surface of the inlet film are prepared. Or, after applying an adhesive having a curing rate ratio (80 ° CZ40 ° C) of 30 or more to the surface of the skin film, the inlet film and the skin film are bonded together to form a laminated film.
- a bonding step, a curing step in which the adhesive is cured to form a cured resin layer between the inlet film and the skin film of the laminated film, and the laminated film is separated for each IC module.
- the adhesive is supplied from a multi-row nozzle, and the adhesive is applied in a plurality of streaks to a part of the surface of the inlet film and Z or the skin film, and then the inlet film and The above-mentioned [5] to [10], in which the skin film is laminated and further pressed to roll the striped adhesive and to bond the inlet film and the skin film together.
- the manufacturing method as described in any one.
- the adhesive is supplied from a slit nozzle cover, and the adhesive is applied to a part of the surface of the inlet film and Z or the skin film in the form of one or two or more strips.
- An IC module mounting film in which an IC module having an IC chip and an antenna is mounted on a film, a skin film covering at least one surface of the IC module mounting film, and the IC module mounting film And a cured resin layer that adheres the skin film, and the cured resin layer cures an adhesive having a curing rate ratio (80 ° C / 40 ° C) of 30 or more.
- IC card that is obtained.
- the adhesive for IC card production and the IC card production method of the present invention can effectively prevent deterioration and damage of the IC chip due to high temperature, and can apply the adhesive continuously for a long time. Therefore, the maintainability of the coating equipment can be improved.
- FIG. 1 is a schematic cross-sectional view showing a configuration example of a production facility used in the production method of the present invention.
- FIG. 2 is a schematic diagram showing a configuration example of a multi-row nozzle used in the production method of the present invention.
- FIG. 3 is a schematic diagram showing a configuration example of a slit nozzle used in the manufacturing method of the present invention.
- FIG. 4 is a schematic cross-sectional view showing the configuration of a laminated film produced in an example. Explanation of symbols
- the adhesive of the present invention is an adhesive for producing an IC card having a curing rate ratio (80 ° CZ40 ° C) of 30 or more. Adhesives with such a curing rate ratio have a significantly slow curing reaction at room temperature, and the curing reaction is accelerated and quickly cured by raising the temperature. Application becomes possible.
- the maintenance of the coating equipment can be done only once a day by disassembling and cleaning the nozzle after the work is completed. Therefore, it is possible to obtain the effect of improving the maintenance property of the coating equipment without adversely affecting the productivity.
- a sufficient curing rate can be obtained even at a temperature of 100 ° C. or lower (for example, 80 ° C.), it is possible to effectively prevent deterioration of the IC chip due to high temperatures.
- “/ adhesive for IC card production” means an adhesive for bonding an inlet film and a skin film.
- the “curing rate ratio (80 ° CZ40 ° C)” is the ratio of the curing rate at 80 ° C to the curing rate at 40 ° C.
- the curing time at 40 ° C and the curing time at 80 ° C of the agent can be measured, and the ratio force of the curing time at 40 ° C to the curing time at 80 ° C can be calculated.
- the type of the adhesive is not particularly limited as long as it is an adhesive having such a curing rate ratio.
- the two-component mixed urethane adhesive is preferable in that good adhesiveness can be obtained without requiring high temperature and high pressure conditions.
- the two-component mixed urethane adhesive is composed of a first liquid (main agent) containing polyisocyanate as a constituent and a second liquid containing active hydrogen compounds and a catalyst as constituents.
- the polyisocyanate is a compound having a plurality of, preferably 2-3 isocyanate groups in the molecule.
- the first liquid containing various polyisocyanates such as aliphatic, aromatic and alicyclic can be preferably used.
- polyisocyanate examples include, for example, xylylene diisocyanate, polyphenylene dimethane diisocyanate, 4,4'-diphenyl-nomethane diisocyanate, isophorone diisocyanate, tolylene diisocyanate. , Hexamethylene diisocyanate, naphthalene diisocyanate, hydrogenated diphenylmethane diisocyanate, hydrogenated xylylene diisocyanate, dicyclohexylmethane diisocyanate and the like, and polymerization of these compounds You can list things. Polyisocyanate may be used alone or in combination of two or more.
- the polyisocyanate is an active hydrogen compound such as polyol and polyamide described later.
- the molecular weight of the active hydrogen compound is preferably not more than 10,000, particularly preferably 200 to 5,000.
- Examples of the active hydrogen compound include polyols and polyamines.
- polyols include, for example, ethylene glycol, propylene glycol, polyethylene glycol, polypropylene glycol, trimethylolpropane, diethylene glycol, triethylene glycol, hexamethylene glycol, glycerin, 1,3 butylene glycol, 1 , 4
- Polyhydric alcohols such as butanediol, hexanetriol, pentaerythritol, sorbitol, neopentyl glycol
- Polyether polyols obtained by addition polymerization of alkylene oxides such as oxides and propylene oxides
- polybasic acids such as polyhydric alcohols and maleic acid, succinic acid, adipic acid, sebacic acid, tartaric acid, terephthalic acid and isophthalic acid
- Polyester polyol obtained by condensation reaction with ⁇ ; Polyester polyol obtained by
- polyamines include, for example, ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, tetramethylenediamine, pentamethylenediamine, hexamethylenediamine, Aliphatic polyamines such as cyclohexylene diamine, isophorone diamine, dicyandiamide, acid hydrazide, amamine imide, melamine and their derivatives; ⁇ -phenylenediamine, m-phenylenediamine, p-phenylenediamine, 4, 4 ' Diaminodiphenylenomethane, 4, 4 'Diaminodiphenylol sulfone, 4, 4' Diaminodiphenyl ether, 2, 4-diaminodiphenylamine, 1,5-diaminonaphthalene, 1,8-di Aromatics such as aminonaphthalene and 2, 4-diaminotol
- the active hydrogen compounds may be used singly or in combination of two or more. For example, it is also preferable to use a combination of an active hydrogen compound having a molecular weight of 300 or less and an active hydrogen compound having a molecular weight of 1,000 or more.
- an adhesive having a cured product having a Shore D hardness of 51 to 85 it is preferable to use an adhesive having a cured product having a Shore D hardness of 51 to 85.
- an adhesive with a Shore D hardness of 51 to 85 in the cured product it is possible to give the card an appropriate bending resilience and effectively prevent breakage of the IC module and cracking of the card itself. ! / ⁇ ⁇ ⁇ ⁇ You can get the effect. If the Shore D hardness of the cured product is less than 51, the card will be excessively soft and strong, so it will break. It tends to bend and tends to cause damage to the IC module. On the other hand, if it exceeds 85, the card becomes excessively hard and the card itself may be cracked.
- “Shore D hardness” means the hardness measured in accordance with the Shore hardness test described in JIS K6253. Specifically, it can be measured using a commercially available Shore hardness tester (for example, both of them are trade names, Asker rubber hardness tester D type (manufactured by Kobunshi Keiki Co., Ltd.), durometer GS720 N (manufactured by Teclock Corporation)). .
- Specific examples of the adhesive having the above-described properties include epoxy adhesives, phenol adhesives, unsaturated polyester adhesives, and urethane adhesives.
- urethane adhesives can be suitably used in the production method of the present invention because they have the advantage of imparting appropriate bending resilience to cards with high flexibility of the cured resin layer. .
- the adhesive of the present invention has a curing rate ratio (80 ° CZ40 ° C) of 30 or more from the viewpoint of obtaining a sufficient curing rate at a temperature rise while suppressing a curing reaction at room temperature. Is required, and is preferably 50 or more.
- the curing rate ratio (80 ° CZ40 ° C) is less than 30, continuous coating for a long time (eg, 8 hours or more) becomes difficult, and in order to obtain sufficient curing, the temperature exceeds 100 ° C. High temperatures are required, and IC chips may deteriorate or be damaged by high temperatures.
- the adhesive of the present invention preferably has a curing time at 40 ° C of 81 minutes or more, more preferably 95 minutes or more. Yes. If the curing time at 40 ° C is less than 81 minutes, the curing reaction may proceed even at room temperature, and continuous application for a long time (for example, 8 hours or more) may be difficult.
- the adhesive of the present invention preferably has a curing time at 80 ° C of 2.7 minutes or less from the viewpoint of obtaining a sufficient curing rate at elevated temperature. It is even better to be. If the curing time at 80 ° C exceeds 2.7 minutes, a high temperature exceeding 100 ° C is required to obtain sufficient curing, and the IC chip may deteriorate or be damaged by the high temperature. Also, at temperatures below 100 ° C (80 ° C), the adhesive does not cure sufficiently, and if the IC card is cut (cut) immediately after bonding, the card cross-section is crushed and a card with the desired shape is obtained. May not [0046] It should be noted that the curing rate ratio (80 ° CZ40 ° C) can be adjusted to 30 or more by appropriately controlling the conditions such as the type and amount of the catalyst that accelerates the curing reaction. .
- Examples of the catalyst include urethane adhesives such as 1, 4-diazabicyclo [2.2.2] octane (may be referred to as “DABCO”), 1, 8 Diazabicyclo [5.4.0] undecene-7 (may be referred to as “DBU”), 1,8 Diazabicyclo [5.4.0] undecene-7 octylate (may be referred to as “DBU—C8”) ), 6— (2 hydroxypropyl) -1,8 diazabicyclo [5. 4. 0] undecene 1 7 (may be referred to as “DBU—OH”), etc .; dibutyltin dilaurate, etc.
- DBUCO 1, 4-diazabicyclo [2.2.2] octane
- DBU Diazabicyclo [5.4.0] undecene-7
- DBU—C8 1,8 Diazabicyclo [5.4.0] undecene-7 octylate
- Tertiary amines such as organic soot and triethylamine can be used.
- Diaza-bicycloalkenes are preferable from the viewpoint of environmental protection because they do not contain heavy metals.
- DBU salts such as DBU and DBU-C8 and DBU-OH can be suitably used in the production method of the present invention, which has a high effect of accelerating the curing reaction depending on the temperature.
- These catalysts should be added in an amount of 0.005 to 5 parts by mass with respect to a total of 100 parts by mass of a polyisocyanate, an active hydrogen compound (polyol, polyamine, etc.) and a colorant or inorganic filler described later. It is more preferable to add 0.03 to 2 parts by mass, and it is more preferable to add 0.03 to 1 part by mass. If the amount added is less than 0.001 part by mass, the effect of catalyst addition may not be sufficiently obtained. On the other hand, if the amount exceeds 5 parts by mass, the amount of gelled product in the adhesive increases, and it may be difficult to apply the adhesive continuously for a long time in order to reduce the discharge stability of the adhesive. There is. In addition, the catalyst remaining in the adhesive may adversely affect the product.
- the adhesive used in the production method of the present invention contains conventionally known additives used for adhesives such as organic or inorganic colorants, or inorganic fillers (fillers). May be.
- organic or inorganic colorants include titanium dioxide and the like
- inorganic fillers include dry carbon black, platelet-like silica, spherical glass particles, talc, clay, carbonated carbon, zinc white, and the like. be able to.
- the production method of the present invention is a coating / laminating method in which an adhesive is applied to the surface of an inlet film or the like, and then an inlet film and a skin film are bonded to form a laminated film. It includes a process, a curing process in which the applied adhesive is cured to form a cured resin layer, and a card forming process in which a laminated film is separated for each IC module to obtain a large number of IC cards.
- a curing process in which the applied adhesive is cured to form a cured resin layer
- a card forming process in which a laminated film is separated for each IC module to obtain a large number of IC cards.
- the coating and laminating step is a step of forming a laminated film by laminating the inlet film and the skin film after applying an adhesive to the surface of the inlet film or the like.
- an inlet film and a skin film are used as raw materials for manufacturing an IC card.
- inlet film means a film on which a large number of IC modules each having an IC chip and an antenna coil are mounted, and the IC module has the IC chip and the antenna coil as constituent members.
- Examples of the antenna include a coiled antenna in which a metal wire is wound to form a coil, and a substrate antenna in which an antenna pattern is formed on a printed circuit board.
- the IC module may be provided with a force that makes the IC chip and the antenna an essential constituent member and other constituent members. Examples of such constituent members include capacitors and resistors.
- a conductive adhesive such as silver paste, copper paste, or carbon paste, or a conductor such as a bonding wire.
- the size of the long film is not particularly limited, but a film having a width of 300 to 1000 mm and a length of 10 m or more can be suitably used.
- IC modules as described above are mounted on the inlet film. Since the size of the 1C card is approximately 54mm x 85mm, when using a long film with a width of 400mm and a length of approximately 10m, 4-6 in the width direction and 100-110 in the length direction. Those equipped with a large number of IC modules can be suitably used.
- the inlet film for example, an IC module is mounted on the surface of one protective film.
- a configuration in which the IC module is placed or an IC module is enclosed in an adhesive layer between two protective films is used.
- the maximum thickness of this inlet film is about 50 to 400 ⁇ m.
- PET and PP can be suitably used.
- PET with controlled crystallinity (trade name: PET-G, manufactured by Eastman Chemical Co., Ltd.) has the advantage of being excellent in embossing properties, and requires an embossing force check. Can be particularly suitably used in the production.
- PET with controlled crystallinity is preferable because it has excellent fusion properties to the inlet film.
- the skin film is a film that covers at least one surface of the inlet film.
- the same materials as those constituting the protective film described above can be used.
- a film such as PET or PP that is colored white by including a white pigment or bubbles can be preferably used.
- a film having a thickness of about 50 to 150 ⁇ m can be suitably used.
- the skin film need not cover both the front and back surfaces of the inlet film as long as it covers at least one surface of the inlet film.
- the IC card obtained by the production method of the present invention is a three-layer type in which the front and back surfaces of the inlet film are covered with the skin film, and two layers in which one surface of the inlet film is covered with the skin film. The type is also included.
- an adhesive that bonds the inlet film to the skin film it is necessary to use an adhesive with a curing rate ratio (80 ° C / 40 ° C) of 30 or more, and the curing rate ratio (80 ° CZ40 ° C) It is preferable to use an adhesive having a 50 or more. If the curing rate ratio (80 ° CZ40 ° C) is less than 30, continuous application for a long time (for example, 8 hours or more) becomes difficult, and more than 100 ° C is required to obtain sufficient curing. The IC chip may deteriorate or be damaged by the high temperature. That is, in the manufacturing method of the present invention, the above-described adhesive for manufacturing an IC card of the present invention may be used as the adhesive.
- the laminated film is formed by applying an adhesive having a curing rate ratio (80 ° C Z40 ° C) of 30 or more to the surface of the inlet film and Z or skin film, and then bonding the inlet film and skin film together. Do.
- the adhesive is applied to the surface of the inlet film and / or the skin film. That is, an adhesive is applied to the surface of either the inlet film or the skin film or the surface of both the inlet film and the skin film.
- a force using an adhesive having a curing speed ratio (80 ° CZ40 ° C) of 30 or more is still a roll coater or a comma coater.
- a general-purpose coater that performs indirect coating such as The adhesive that gradually hardens over time may cause problems such as adhesion and lamination on the coater, which may prevent continuous application for a long time.
- the adhesive 10 is directly applied to a part of the surface of the inlet films 12 and Z or the skin film 14, and the both films are laminated. It is preferable to adopt a method in which the adhesive 10 applied to a part of the surface is rolled by pressing and the inlet film 12 and the skin film 14 are bonded together.
- reference numeral 16 denotes a nozzle for supplying an adhesive
- reference numeral 18 denotes a roll for pressing the film and rolling the adhesive.
- an adhesive is supplied from a multi-row nozzle, and the adhesive is applied in a plurality of streaks to a part of the surface of the inlet film and Z or skin film.
- a method of rolling the adhesive applied in a streak shape and bonding the inlet film and the skin film can be suitably used.
- the slit-like nozzle force corresponding to the film width also supplies the adhesive, and compared with the method in which the adhesive is thinly applied to the entire surface of the film and the two films are bonded together, clogging with the nozzle or the like is reduced. It can be effectively prevented, and has a preferable effect that continuous application for a long time is possible.
- the "multiple nozzle” referred to in this specification means a branch nozzle that is attached to the tip of the discharger of the adhesive 10, such as the multiline nozzle 16A shown in FIG.
- the multi-hose nozzle 16A shown in Fig. 2 first splits the adhesive 10 supplied with the piping force by the pump of the discharger into two at the tip, and further branches each into two, and then each two This is a branch that is called an 8-row nozzle.
- the number of branches of the multi-row nozzle may be an appropriate number of 2 or more according to the width of the sheet to be used.
- each discharge port If the diameter of each discharge port is too small, the flow resistance increases and the discharge pressure rises, causing a load to be applied to the pump of the discharger, so that stable discharge for a long time tends to be impossible. On the other hand, if it is too large, the flow rate of the adhesive will be low, and adhesive agglomerates will easily accumulate inside the multi-strand nozzle, so there is a possibility that stable ejection cannot be performed for a long time. However, since these phenomena have a correlation with the discharge amount of the adhesive, an appropriate diameter may be appropriately determined according to the discharge amount of the adhesive. That is, the diameter of the discharge port is not particularly limited.
- an adhesive is supplied from the slit nozzle cover, and the adhesive is applied to one part of the surface of the inlet film and Z or skin film in one or more strips, and then the inlet film and skin film.
- the same effect can also be obtained by rolling the adhesive applied in a strip shape and laminating the inlet film and the skin film.
- the “slit nozzle” in the present specification means a nozzle having a rectangular discharge port attached to the tip of the discharger of the adhesive 10, such as the slit nozzle 16B shown in FIG. .
- This slit nozzle is a nozzle that can discharge the adhesive in a strip shape, and the thickness of the adhesive discharged in the strip shape can be determined by adjusting the gap between the rectangular discharge ports.
- the adhesive is applied to a part of the sheet, another sheet is laminated, and the adhesive is rolled by pressing, so that the band is narrower than the width of the sheet. An adhesive can be applied.
- the application width of the adhesive is preferably 10 to 70% of the sheet width, and more preferably 20 to 50%.
- the curing step is a step of curing the adhesive to form a cured resin layer between the inlet film of the laminated film and the skin film.
- a method of sandwiching a laminated film for a certain period of time with a heating press plate a method of sandwiching a laminated film for a certain period of time with a pair of parallel chatter-shaped heating press plates (see JP 2003-162697 A), a pair of parallel films
- a method of sandwiching with a heating conveyor belt for a certain period of time can be mentioned.
- this curing step is preferably performed under a temperature condition of 60 to: L00 ° C. If the curing process is performed at a temperature of less than 60 ° C, it takes time for the curing process and productivity is lowered, which is not preferable. On the other hand, if the curing process is performed at a temperature exceeding 100 ° C, the IC chip may deteriorate or be damaged at high temperatures, as with hot melt adhesives. It ’s not good.
- the card forming process is a process of obtaining a large number of IC cards by separating the laminated film for each IC module.
- the method for separating the laminated film there is no particular limitation on the method for separating the laminated film.
- a method of cutting a laminated film so as to have a predetermined card size a method of punching a laminated film into a predetermined card size, and the like can be mentioned.
- the IC card of the present invention includes an IC module mounting film in which an IC module having an IC chip and an antenna is mounted on a film, a skin film covering at least one surface of the IC module mounting film, an IC module mounting film and a skin IC card with a cured resin layer that adheres to the film, and the cured resin layer is obtained by curing an adhesive with a curing rate ratio (80 ° C / 40 ° C) of 30 or more It is an IC card.
- a curing rate ratio 80 ° C / 40 ° C
- Such an IC card can be manufactured with high production efficiency because the cured resin layer is formed by an adhesive that can be applied continuously for a long time.
- the cured resin layer is formed by an adhesive that can obtain a sufficient curing rate even at temperatures below 100 ° C (eg, 80 ° C). The rate is extremely low and the quality is excellent.
- the “IC module mounting film” is a film in which an IC module having an IC chip and an antenna is mounted on a film. Normally, an inlet film in which a large number of IC modules having IC chips and antennas are mounted on the film is separated for each IC module.
- the thickness of the cured resin layer is preferably 50 to 300 m from the viewpoint of preventing breakage of the IC module and cracking of the cured resin layer. If the thickness of the cured resin layer is less than 50 / zm, the card will be easily bent and the IC module may be damaged. On the other hand, if it exceeds 300 m, the cured resin layer becomes excessively hard and there is a risk of causing cracking of the cured resin layer.
- the Shore D hardness of the cured resin layer is in the range of 51 to 85. It is preferable. By setting it within this range, it is possible to impart an appropriate bending resilience to the card, and it is possible to effectively prevent damage to the IC module and the card itself. If the Shore D hardness of the hardened resin layer is less than 51, the card will be excessively soft and strong, making it easy to bend. Depending on the thickness of the skin film and the hardened resin layer, the IC module may be damaged. There is a case. On the other hand, if it exceeds 85, the card may become excessively hard and crack the card itself.
- Heavy calcium carbonate (trade name: NS # 100, manufactured by Nitto Flour Chemical Co., Ltd.)
- a first liquid (main agent) of a two-liquid mixed adhesive having the composition shown in Table 1 was prepared. Specifically, 43.56 parts by mass of polyisocyanate is added to 11.44 parts by mass of the polyether polyol (A), reacted at a temperature of 90 ° C. for 2 hours, converted into a prepolymer, and then an inorganic filler. By adding 45 parts by mass and mixing, a composition (Liquid A) having the composition shown in Table 1 was prepared. The NCO content of Liquid A was 13% by mass.
- a second liquid (curing agent) of a two-liquid mixed adhesive having the composition shown in Table 1 was prepared. Specifically, polyether polyol (C) 2 with respect to 37 parts by mass of polyether polyol (B). 3 parts by weight and 40 parts by weight of inorganic filler were added, and further 100 parts by weight of these mixtures were added to and mixed with catalyst (A) O.01 parts by weight to obtain a composition as shown in Table 1. (Liquid B) was prepared.
- the first liquid (liquid A) and the second liquid (liquid B) of the two-component mixed adhesive obtained as described above are mixed at a mass ratio of 100: 100 to obtain an adhesive for manufacturing an IC card. It was.
- a laminated film similar to an IC card was formed by using the adhesive for IC card production, a skin film, and an intermediate film, and the cutting property and bending resistance were evaluated. Specifically, a skin film (PET, thickness 50 m, 100 m, 150 m) and an intermediate film (PET, thickness 100 m) are prepared.
- Adhesive layer 34Z Intermediate film 36Z Adhesive layer 34Z skin film 32 laminated in this order to make a laminated film, adjusted to a total thickness of 0.74-0.78mm, and heated to 80 ° C A laminated film similar to an IC card was formed by sandwiching and curing between two sheets for 2.5 minutes.
- Adhesive Curing time (sot) 2.0 2.8 2.5 2.2 2.2 2.2 2.3 2.1 2.0 Properties Curing speed ratio (sot ox :) 15.5 17.1 39.2 55.0 55.5 60.9 63.0 67.1 68.0 Hardened product hardness 69 70 50 61 69 70 88 81 70 Stable discharge time ( (Time) 1.5 / X 2.0 / X 8.6 / 0 10 ⁇ / ⁇ 10 ⁇ / ⁇ 10 ⁇ / ⁇ 10 ⁇ / ⁇ 10 ⁇ / ⁇ ⁇ ⁇
- the stable discharge time was evaluated as an index of whether or not the adhesive can be continuously applied for a long time.
- a multi-nozzle hole diameter 5mm x 8 holes
- GD-1 type manufactured by Shibabashi
- discharge is continuously performed at a discharge rate of 800gZ (lOOgZ per hole).
- the time until the gelled material was mixed into the discharge liquid was measured, and this time was defined as the stable discharge time.
- Evaluations with a stable discharge time of less than 8 hours were evaluated as “X”, those with a stable discharge time of 8 hours or more but less than 10 hours were evaluated as “ ⁇ ”, and those with a stable discharge time of 10 hours or more were evaluated as “ ⁇ ”.
- Shore D hardness was measured using a commercially available Shore Hardness Tester (manufactured by Kobunshi Keiki Co., Ltd.) at a temperature of 23 ° C.
- the laminated film was cut with a scissors, and the cut section was visually evaluated. A case where the cured resin layer was sufficiently cured and the cross section was not crushed even when cut was evaluated as “ ⁇ ”, and a case where the cross section was crushed due to cutting was evaluated as “ ⁇ ”.
- Curing rate ratio (80 ° CZ40 ° C) is 30 or more Examples 1 to:
- stable adhesive composition for 8 hours or more which is the normal operating time of the factory It was thought that the substance could be discharged and continuous application for a long time would be possible. Therefore, it was confirmed that the coating equipment can be operated stably for a long time even when manufacturing IC cards, and that the coating equipment is excellent in maintainability.
- the adhesives for producing IC cards of Examples 3 to 10 were able to stably discharge the adhesive composition for 10 hours or more, and showed particularly good results.
- the curing time at 80 ° C is 2.7 minutes or less.
- the adhesive for IC card manufacturing of LO and Comparative Example 1 the cured resin layer of the laminated film is sufficiently cured Therefore, even if it was cut immediately after the formation of the laminated film, the cross-section was not crushed, and it was thought that a card with a desired shape could be obtained.
- the adhesive for IC force production of Comparative Example 2 where the curing time at 80 ° C exceeds 2.7 minutes, the cured resin layer of the laminated film is not sufficiently cured, and immediately after the formation of the laminated film When cut into pieces, crushing of the cross section was observed. That is, it was thought that a card having a desired shape could not be obtained.
- the adhesives for producing IC cards of Examples 3 to 10 and Comparative Examples 1 and 2 having a cured product hardness in the range of 51 to 85 have moderate bending resilience and extremely good results. showed that. Therefore, it was confirmed that by manufacturing an IC card in the same manner, the IC module can be effectively prevented from being damaged due to bending or the like.
- the adhesive for IC card manufacture of Example 1 having a cured product hardness of 50 has a slightly lower bending resilience than the adhesives for IC card manufacture of Examples 3 to 10 and tends to bend easily.
- Example 2 it was possible to improve the bending resistance by increasing the thickness of the skin film.
- the cured product hardness exceeds 85
- the adhesives for producing IC cards of Examples 6 to 7 it was a little harder and stronger than the adhesives for producing IC cards of Examples 3 to 5, Examples 9 to 10 and Comparative Examples 1 to 2.
- the cured resin layer may be damaged. Therefore, when an IC card is manufactured in the same way, it is possible to actually use the IC card, but it is preferable to take measures such as adjusting the conditions such as the thickness of the skin film. .
- the adhesive and manufacturing method of the present invention can effectively prevent deterioration and damage of the IC chip due to high temperature, and can apply the adhesive continuously for a long time. It can be suitably used for the manufacture of an IC card in which an IC module having is mounted inside a film.
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Abstract
Description
Claims
Priority Applications (3)
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CN2006800071481A CN101133426B (zh) | 2005-01-28 | 2006-01-26 | 用于制备ic卡的粘合剂、制备ic卡的方法以及ic卡 |
KR1020077018385A KR101257120B1 (ko) | 2005-01-28 | 2006-01-26 | Ic 카드 제조용 접착제, ic 카드의 제조 방법 및 ic카드 |
JP2007500575A JP4958766B2 (ja) | 2005-01-28 | 2006-01-26 | Icカードの製造方法及びicカード |
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JP2005021690 | 2005-01-28 | ||
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WO2006080400A1 true WO2006080400A1 (ja) | 2006-08-03 |
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PCT/JP2006/301230 WO2006080400A1 (ja) | 2005-01-28 | 2006-01-26 | Icカード製造用接着剤、icカードの製造方法及びicカード |
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US (1) | US8163120B2 (ja) |
JP (1) | JP4958766B2 (ja) |
KR (1) | KR101257120B1 (ja) |
CN (1) | CN101133426B (ja) |
WO (1) | WO2006080400A1 (ja) |
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JP2010271836A (ja) * | 2009-05-20 | 2010-12-02 | Dainippon Printing Co Ltd | Icカードの製造方法及びicカードの製造システム |
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JP2009040916A (ja) * | 2007-08-09 | 2009-02-26 | Nippon Polyurethane Ind Co Ltd | 水発泡硬質ポリイソシアヌレートフォーム形成用組成物、該組成物を用いた水発泡硬質ポリイソシアヌレートフォームの製造方法、及び該製造方法により得られる水発泡硬質ポリイソシアヌレートフォーム |
JP5441720B2 (ja) * | 2008-02-13 | 2014-03-12 | 株式会社イーテック | Icカード又はicタグ用接着剤、及びicカード又はicタグ |
JP2010271836A (ja) * | 2009-05-20 | 2010-12-02 | Dainippon Printing Co Ltd | Icカードの製造方法及びicカードの製造システム |
WO2010137490A1 (ja) * | 2009-05-28 | 2010-12-02 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン | Icカード用湿気硬化型ホットメルト接着剤 |
US20120142885A1 (en) * | 2009-05-28 | 2012-06-07 | Yuichi Matsuki | Moisture-curable hot melt adhesive for ic card |
JP2011070647A (ja) * | 2009-08-31 | 2011-04-07 | Toppan Forms Co Ltd | 非接触型データ受送信体およびその製造方法 |
US9283799B2 (en) | 2012-03-22 | 2016-03-15 | Ricoh Company, Ltd. | Method for producing thermoreversible recording medium and apparatus for producing the same |
JP2015046105A (ja) * | 2013-08-29 | 2015-03-12 | タキロン株式会社 | 電子タグ |
JP2023111052A (ja) * | 2022-01-31 | 2023-08-10 | 株式会社Tbm | Rfタグ用の高周波誘電体の製造方法 |
Also Published As
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US8163120B2 (en) | 2012-04-24 |
CN101133426B (zh) | 2010-12-08 |
US20080102268A1 (en) | 2008-05-01 |
JPWO2006080400A1 (ja) | 2008-08-07 |
JP4958766B2 (ja) | 2012-06-20 |
KR101257120B1 (ko) | 2013-04-22 |
KR20070095401A (ko) | 2007-09-28 |
CN101133426A (zh) | 2008-02-27 |
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