CN203625721U - Composite paper for use in RFID (Radio Frequency Identification Device) shielding - Google Patents
Composite paper for use in RFID (Radio Frequency Identification Device) shielding Download PDFInfo
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- CN203625721U CN203625721U CN201320665503.1U CN201320665503U CN203625721U CN 203625721 U CN203625721 U CN 203625721U CN 201320665503 U CN201320665503 U CN 201320665503U CN 203625721 U CN203625721 U CN 203625721U
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Abstract
The utility model discloses composite paper for use in RFID (Radio Frequency Identification Device) shielding. The composite paper comprises a first paper layer, a first polymer layer, a metal layer, a second polymer layer and a second paper layer, wherein the first polymer layer is stuck to the adjacent first paper layer; the metal layer is stuck to the adjacent first polymer layer; the second polymer layer is stuck to the adjacent metal layer; the second paper layer is stuck to the adjacent second polymer layer. The composite layer has the advantages of high uniformity, tearing resistance, water resistance and wear resistance, and can be printed and bonded like the conventional paper, made into various forms such as paper bags and envelops and combined to carrying devices or articles such as purses, wallets, hand bags, boxes, computer bags and small-sized protection devices.
Description
Technical field
The utility model relates to RFID (Radio Frequency Identification, radio frequency identification) shielding field, relates in particular to a kind of composite sheet and goods thereof for radio frequency identification shielding.
Background technology
At present, RFID (Radio Frequency Identification, radio frequency identification) technology is widely used in the fields such as identity card, passport, bank card, meanwhile, and the risk of also bringing personal identification electronic information illegally to be read.Therefore, for protecting the electronic information security of these cards, card, prevent by unauthorized reading, the demand of the light and thin type goods for RFID shielding is grown with each passing day.
Mainly contain RFID shielding cloth or fabric, RFID shielding composite sheet etc. for the light and thin type goods of RFID shielding.RFID shielding composite sheet can print as conventional paper, bonding, meet better user demand, caused increasing concern.
The four layer laminate structures that mostly are at present ply of paper-polymeric layer-conductive layer-ply of paper for the light and thin type composite sheet of RFID shielding, wherein the material of conductive layer is metal forming.In the time that metal forming is very thin, a little less than mechanical strength, adds and easily break man-hour.Thin metal forming compactness is poor, easily occurs causing the shielding uniformity of composite sheet bad in cavity.Ply of paper is inadequate to the protection of conductive layer, makes the bending resistance folding endurance of composite sheet low, the poor reliability of RFID function of shielding.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is, a kind of composite sheet for RFID shielding is provided, there is stronger mechanical strength, compactness is high and bending resistance folding endurance is strong, the good reliability of RFID function of shielding, can meet RFID shielding good uniformity, anti-ly tears, waterproof, the application demand such as wear-resistant.
For achieving the above object, the utility model provides a kind of composite sheet for RFID shielding, comprising: the first ply of paper, the first polymeric layer, metal level, the second polymer layer and the second ply of paper; Wherein, described the first polymeric layer adheres to described first ply of paper of adjacent setting; Described metal level adheres to described first polymeric layer of adjacent setting; Described the second polymer layer adheres to the described metal level of adjacent setting; Described the second ply of paper adheres to the described the second polymer layer of adjacent setting.The material of described the first ply of paper and the second ply of paper is printing paper, parchamyn paper, LWC etc., the function such as can print, writes, be bonding thereby realize.
Preferably, described metal level comprises the metal foil layer that at least one deck is made of metal, and described metal is selected from aluminium, copper, silver, aluminium alloy, copper alloy, silver alloy.
Preferably, described the first polymeric layer and described the second polymer layer comprise respectively the macromolecule material film that at least one deck is made up of macromolecular material.In such set-up mode, metal level, between polymeric layer, because polymer has toughness, thereby has improved the reliability of fold resistance and the RFID function of shielding of described composite sheet.
At one preferably in embodiment of the present utility model, described the first polymeric layer comprises the metallization macromolecule material film that at least one deck is made up of metallization macromolecular material.Further, described the first polymeric layer and the second polymer layer comprise respectively at least one layer of macromolecule material film and one deck metallization macromolecule material film at least.In such set-up mode, described thin metal layer and metallization material film combine, metallization macromolecule material film has improved the toughness of metal level, mechanical strength and the compactness of metal foil layer are improved, further improved the shielding uniformity of described composite sheet, and make described composite sheet can resistance toly tear, wear-resistant.
Preferably, described macromolecular material is selected from polyester, polyamide, polyethylene, polypropylene.
Preferably, described metallization macromolecular material is selected from metallized polyester, polyamide, polyethylene, polypropylene.
Further, between each layer of described composite sheet, adhere to together by adhesive, described adhesive comprises single-component adhesive, two-component adhesive, non-solvent adhesive etc.
Further, composite sheet of the present utility model is after printing, and surface compound layer of plastic film again, realizes water-proof function.
Further, the utility model also provides a kind of complex paper product for RFID shielding, and described complex paper product comprises the described composite sheet for RFID shielding.In the time that described RFID shielding complex paper product is placed between the reception antenna of RFID intelligent chip and the transmitting antenna of RFID signal generator, this complex paper product can prevent reading of RFID intelligent chip.
Preferably, the described complex paper product for RFID shielding can be envelope, protective bag, protective sleeve and sleeve etc. or its analog form, for example, and protection credit card, identity card, passport sack, sheath etc. originally.
Preferably, the described complex paper product for RFID shielding also can be incorporated into carrying device or articles for use, such as wallet, wallet, handbag, case and bag, computer package, small-sized protector etc.
Composite sheet of the present utility model has RFID shielding good uniformity, anti-ly tears, waterproof, the advantage such as wear-resistant, and can as conventional paper, print, bonding, can be made into the various forms such as paper bag, envelope, also can be incorporated in carrying device or articles for use, such as wallet, wallet, handbag, case and bag, computer package, small-sized protector etc.Compared with prior art, the utility model adopts P-M-P (macromolecule-metal-macromolecule) structure, and metal level, between macromolecule material film, is better protected, and has improved the reliability of fold resistance and the RFID function of shielding of shielding material.
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
Accompanying drawing explanation
Fig. 1 is the sectional view of a preferred embodiment of the present utility model;
Fig. 2 is the sectional view of another preferred embodiment of the present utility model;
Fig. 3 is the sectional view of another preferred embodiment of the present utility model.
The specific embodiment
In various embodiments of the present utility model, metal level is made up of metal material, and macromolecule material film is made up of macromolecular material, and metallization macromolecule material film is made up of metallization macromolecular material.
As shown in Figure 1, in a preferred embodiment of the present utility model, for the composite sheet 100 of RFID shielding, comprising: the first ply of paper 111, the first polymeric layer 130, metal level 121, the second polymer layer 140 and the second ply of paper 112; The first polymeric layer 130 adheres to the first ply of paper 111 of adjacent setting; Metal level 121 adheres to the first polymeric layer 130 of adjacent setting; The second polymer layer 140 adheres to the metal level 121 of adjacent setting; The second ply of paper 112 adheres to the second polymer layer 140 of adjacent setting.The material of the first ply of paper 111 and the second ply of paper 112 is printing paper, parchamyn paper, LWC etc., the function such as can print, writes, be bonding thereby realize.
As shown in Figure 2, in another preferred embodiment of the present utility model, the first polymeric layer 130 comprises layer of metal macromolecule material film 1301, and other each parts are identical with the corresponding each part in the first embodiment.
As shown in Figure 3, in another preferred embodiment of the present utility model, the first polymeric layer 130 comprises the first metallization macromolecule material film 1301 and the first macromolecule material film 1302, and the second polymer layer 140 comprises the second metallization macromolecule material film 1401 and the second macromolecule material film 1402.Metal level 121 adheres between metallization macromolecule material film 1301 and 1401 by adhesive.In such embodiment, thin metal layer and metallization material film combine, and have improved mechanical strength and the compactness of metal foil layer, have further improved the shielding uniformity of described composite sheet, and make described composite sheet can resistance toly tear, wear-resistant.
In other preferred embodiment, metallization macromolecule material film and macromolecule material film can be according to the actual requirements, be set to two-layer more than.
In embodiment as shown in Figures 2 and 3, macromolecular material is selected from polyester, polyamide, polyethylene, polypropylene.The polyester that metallization macromolecular material is AM aluminum metallization.In other preferred embodiment, macromolecular material can be selected from polyester, polyamide, polyethylene, polypropylene.Metallization macromolecular material is selected from metallized polyester, polyamide, polyethylene, polypropylene.
Adhesive in the embodiment shown in Fig. 1, Fig. 2 and Fig. 3 is two-component adhesive, and in other preferred embodiment, adhesive also can use single-component adhesive, non-solvent adhesive etc.Preferably, adhesive can be selected polyurethane, polyethers etc.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in by the determined protection domain of claims.
Claims (10)
1. for a composite sheet for RFID shielding, it is characterized in that, comprise the first ply of paper, the first polymeric layer, metal level, the second polymer layer and the second ply of paper; Wherein, described the first polymeric layer adheres to described first ply of paper of adjacent setting; Described metal level adheres to described first polymeric layer of adjacent setting; Described the second polymer layer adheres to the described metal level of adjacent setting; Described the second ply of paper adheres to the described the second polymer layer of adjacent setting.
2. composite sheet as claimed in claim 1, is characterized in that, described metal level comprises the metal foil layer that at least one deck is made of metal, and described metal is selected from aluminium, copper, silver, aluminium alloy, copper alloy, silver alloy.
3. composite sheet as claimed in claim 1, is characterized in that, described the first polymeric layer and described the second polymer layer comprise respectively the macromolecule material film that at least one deck is made up of macromolecular material.
4. composite sheet as claimed in claim 3, is characterized in that, described macromolecular material is selected from polyester, polyamide, polyethylene, polypropylene.
5. composite sheet as claimed in claim 1, is characterized in that, described the first polymeric layer comprises the metallization macromolecule material film that at least one deck is made up of metallization macromolecular material.
6. composite sheet as claimed in claim 5, is characterized in that, described metallization macromolecular material is selected from metallized polyester, polyamide, polyethylene, polypropylene.
7. composite sheet as claimed in claim 1, is characterized in that, described the first polymeric layer and the second polymer layer comprise respectively at least one layer of macromolecule material film and one deck metallization macromolecule material film at least.
8. composite sheet as claimed in claim 1, is characterized in that, between each layer of described composite sheet, adheres to together by adhesive.
9. composite sheet as claimed in claim 8, is characterized in that, described adhesive comprises single-component adhesive, two-component adhesive, non-solvent adhesive.
10. composite sheet as claimed in claim 1, is characterized in that, described composite sheet surface can compound layer of plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665503.1U CN203625721U (en) | 2013-10-25 | 2013-10-25 | Composite paper for use in RFID (Radio Frequency Identification Device) shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665503.1U CN203625721U (en) | 2013-10-25 | 2013-10-25 | Composite paper for use in RFID (Radio Frequency Identification Device) shielding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203625721U true CN203625721U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665503.1U Expired - Fee Related CN203625721U (en) | 2013-10-25 | 2013-10-25 | Composite paper for use in RFID (Radio Frequency Identification Device) shielding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203625721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111738387A (en) * | 2020-08-07 | 2020-10-02 | 四川大学华西医院 | Protective equipment putting-in and putting-out monitoring system and method |
| CN114434934A (en) * | 2020-11-03 | 2022-05-06 | 南亚塑胶工业股份有限公司 | Information security paper |
-
2013
- 2013-10-25 CN CN201320665503.1U patent/CN203625721U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111738387A (en) * | 2020-08-07 | 2020-10-02 | 四川大学华西医院 | Protective equipment putting-in and putting-out monitoring system and method |
| CN114434934A (en) * | 2020-11-03 | 2022-05-06 | 南亚塑胶工业股份有限公司 | Information security paper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20201025 |