CN203582791U - Foamed base material electromagnetic shielding adhesive tape - Google Patents
Foamed base material electromagnetic shielding adhesive tape Download PDFInfo
- Publication number
- CN203582791U CN203582791U CN201320705759.0U CN201320705759U CN203582791U CN 203582791 U CN203582791 U CN 203582791U CN 201320705759 U CN201320705759 U CN 201320705759U CN 203582791 U CN203582791 U CN 203582791U
- Authority
- CN
- China
- Prior art keywords
- base material
- adhesive tape
- electromagnetic shielding
- foam
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The utility model discloses a foamed base material electromagnetic shielding adhesive tape which consists of a base material layer and an adhesive layer coated on one side or both sides of the base material layer. The adhesive tape is characterized in that the base material layer is conductive closed-pore foam; the adhesive layer is a pressure-sensitive adhesive layer containing a conductive filler. The foamed base material electromagnetic shielding adhesive tape has the beneficial effects that electromagnetic interference between electronic-electrical equipment can be reduced or avoided, firm adhesion between equipment structures can be guaranteed, the equipment can be prevented from being subjected to outside pollution and external damage due to the base material layer with high elasticity and sealing and buffering performances, and normal operation of the equipment is guaranteed.
Description
Technical field
The present invention relates to pressure-sensitive adhesive tape field.Be specifically related to a kind of sealing cushioning material with electro-magnetic screen function.In-40～120 ℃ of temperature ranges, there is good bonding strength, anti-electromagnetic interference performance and good sealing damping characteristics.The structure that can be used for electronic and electrical equipment is bonding, sealing buffer protection and electromagnetic radiation protection, to guarantee the normal operation of equipment.
Background technology
Along with improving constantly of electronic and electrical equipment level of automation, functional integration, precision, to electronic apparatus electromagnetic shielding, protection requires also more and more higher.Also there are various electromagnetic shielding adhesive tapes in prior art, the Chinese utility model patent that is 202626098U as publication number discloses a kind of shielding aluminium membrane adhesive tape, and it plays the object of shielding electromagnetism by metallic membrane; 3M Innovative Properties Company also provides a kind of electromagnetic shielding adhesive tape with the Chinese invention patent of publication number 102241950A, and it comprises resin thin film layer; With the electro-magnetic screen layer that possesses sandwich of layers laminated structure, itself and described resin thin film layer are laminated, and comprise: the first adhesive layer, and it is combined with the one side of described resin thin film layer; The second adhesive layer; And the conductive metal layer between the first adhesive layer and the second adhesive layer.
These prior aries are all the improvement aspect raising electro-magnetic screen function, do not relate to the anti-vibration protected function of buffering.But at present for the normal operation of assurance equipment or instrument, in electromagnetic shielding protection, also must in the manufacturing process of plant and instrument, carry out that structure is bonding, sealing buffer protection, the adhesive tape applicant that these three kinds of functions possess simultaneously not yet has news.
Summary of the invention
The object of the invention is based on the deficiencies in the prior art, a kind of foam base material electromagnetic shielding adhesive tape is provided.This adhesive tape not only has excellent capability of electromagnetic shielding, also has adhesiveproperties and sealing shock-absorbing capacity.
For realizing this object, technical scheme of the present invention is: this foam base material electromagnetic shielding adhesive tape, by substrate layer 1 be coated on the one side of substrate layer 1 or two-sided glue-line 2 forms, the bubble closed pore foam that described substrate layer 1 is conductivity type unlike the prior art; Described glue-line 2 is for including the pressure-sensitive adhesive layer of conductive filler material.
Further, the thickness 1-5mm of described substrate layer (1), the thickness of glue-line (2) is 15-30 μ m.
Further, described foam comprises PE foam, PVC foam, PU foam.
Further, described pressure-sensitive adhesive layer is acrylic acid series pressure-sensitive adhesive layer.
Particularly, described pressure-sensitive adhesive layer comprises the component of following weight part:
Soft monomer 50-100
Hard monomer 40-80
Modified monomer 1-10
Initiator 0.2-2
Conductive filler material 10-50
Solvent 100-300
Wherein soft monomer is 50-100 part ethyl propenoate, n-butyl acrylate, vinylformic acid n-octyl, (methyl) Isooctyl acrylate monomer, (methyl) dodecylacrylate, vinyl neodecanoate or new undeeanoic acid vinyl acetate etc.
Wherein hard monomer is 40-80 part (methyl) vinyl acetate, (methyl) methyl acrylate, vinylbenzene, vinyl cyanide, acrylamide, (methyl) ethyl propenoate, (methyl) isobornyl acrylate, new vinyl acetate acid, new n-nonanoic acid vinyl acetate.
Wherein modified monomer is 1-10 part (methyl) vinylformic acid, methylene-succinic acid, (methyl) Hydroxyethyl acrylate, (methyl) Propylene glycol monoacrylate.
Wherein initiator is azo-bis-isobutyl cyanide, azo two cyanogen in different heptan, the benzoyl peroxide of 0.2-2 part.
Wherein conductive filler material is 10-50 part conductive silver powder, conductive copper powder, conduction nickel powder, conduction aluminium powder, electrically conductive graphite, copper silvering powder, copper nickel plating powder, nickel bag graphite, conductive mica powder, conductive titanium dioxide etc.
Wherein solvent is 100-300 part ethyl acetate, toluene.
This electroconductibility pressure sensitive adhesive preparation method, comprise the following steps: according to composition of raw materials, the 70-90% of soft monomer, hard monomer, modified monomer and solvent total amount is mixed in proportion, join in reactor, be warmed up to 60-70 ℃ and stir 1-3h, then be warmed up to 70-75 ℃, and in 1-5h, drip the initiator that the concentration for preparing is in advance 0.05-0.1%, and be warming up to 75-80 ℃ of reaction 1-4h, continue to be warmed up to 78 ℃ and reflux and continue reaction 1-6h.Cooling 40-50 ℃, adds 5-25 part conductive filler material, and dispersed with stirring 0.5-2h adds residue 5-25 part conductive filler material to continue to stir 0.5-2h, and with ethyl acetate adjusting viscosity, to 2000-20000mPas, discharging, obtains this pressure sensitive adhesive.
Second step: the coating of electroconductibility pressure sensitive adhesive is produced.
It is electroconductibility pe foam, electroconductibility pvc foam, electroconductibility pu foam etc. that substrate layer is selected foam.
Utilize coating machine to be applied on PET release film the pressure sensitive adhesive modulating, after drying release film is combined with each other and is wound into the foam base material electromagnetic shielding adhesive tape of one side with pe conducting foam, also can utilize on this basis process release film that second transfer coating electroconductibility pressure sensitive adhesive of one side shielding tape made to two-sided foam base material electromagnetic shielding adhesive tape.
The beneficial effects of the utility model are not only can reduce or avoid the electromagnetic interference between electronic and electrical equipment; can also guarantee the strong bond between device structure; substrate layer outside contamination and the outside destroy that can protect equipment to be subject in operational process with elasticity and sealing shock-absorbing capacity, guarantees the normal operation of equipment.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is another kind of structural representation of the present utility model.
Embodiment
20 parts of n-butyl acrylates, 40 parts of Isooctyl acrylate monomers, 10 parts of vinyl acetates, 20 parts of vinylbenzene, 1 part of vinylformic acid, 80 parts of toluene, 20 parts of ethyl acetate are joined in reactor, slowly be warmed up to 60 ℃ and stir 1h, then be warmed up to 70 ℃, and in 2h, drip the initiator that the concentration for preparing is in advance 0.05%, be warming up to 75 ℃ of reaction 1h, continue to be warmed up to 78 ℃ of continuation reaction 2h that reflux.Lower the temperature 40 ℃, add 10 parts of copper silvering powders, dispersed with stirring 1h, adds 10 parts of copper nickel plating powder of residue to continue to stir 2h, and with ethyl acetate adjusting viscosity, to 4000mPas, discharging, obtains this pressure sensitive adhesive.
Utilize coating machine that electroconductibility pressure sensitive adhesive is applied on pet release film, coating thickness 15 μ m, make one side foam base material electromagnetic shielding adhesive tape with thick compound the rolling of conductivity type polyethylene foam of 1mm after drying.
Embodiment 2
30 parts of n-butyl acrylates, 40 parts of Isooctyl acrylate monomers, 20 parts of vinyl acetates, 20 parts of vinylbenzene, 1 part of vinylformic acid, 80 parts of toluene, 20 parts of ethyl acetate are joined in reactor, slowly be warmed up to 60 ℃ and stir 1h, then be warmed up to 70 ℃, and in 2h, drip the initiator that the concentration for preparing is in advance 0.06%, be warming up to 75 ℃ of reaction 2h, continue to be warmed up to 78 ℃ of continuation reaction 2h that reflux.Lower the temperature 40 ℃, add 15 parts of copper silvering powders, dispersed with stirring 1h, adds 10 parts of copper nickel plating powder of residue to continue to stir 2h, and with ethyl acetate adjusting viscosity, to 4000mPas, discharging, obtains this pressure sensitive adhesive.
Utilize coating machine that electroconductibility pressure sensitive adhesive is applied on pet release film, coating thickness 30 μ m, make one side foam base material electromagnetic shielding adhesive tape with thick compound the rolling of conductivity type polyvinyl chloride foam of 5mm after drying.
Embodiment 3
40 parts of n-butyl acrylates, 40 parts of Isooctyl acrylate monomers, 20 parts of vinyl acetates, 30 parts of vinylbenzene, 1 part of vinylformic acid, 80 parts of toluene, 20 parts of ethyl acetate are joined in reactor, slowly be warmed up to 60 ℃ and stir 1h, then be warmed up to 70 ℃, and in 2h, drip the initiator that the concentration for preparing is in advance 0.08%, be warming up to 75 ℃ of reaction 2h, continue to be warmed up to 78 ℃ of continuation reaction 2h that reflux.Lower the temperature 40 ℃, add 15 parts of copper silvering powders, dispersed with stirring 1h, adds 15 parts of copper nickel plating powder of residue to continue to stir 2h, and with ethyl acetate adjusting viscosity, to 4000mPas, discharging, obtains this pressure sensitive adhesive.
Utilize coating machine that electroconductibility pressure sensitive adhesive is applied on pet release film, coating thickness 22 μ m, with thick compound the rolling of conductivity type polyurethane foam of following after drying of 2.5mm, make one side foam base material electromagnetic shielding adhesive tape after drying, by another side also transfer coating thickness, be 22 μ m electroconductibility pressure sensitive adhesives more on this basis, thereby make two-sided foam base material electromagnetic shielding adhesive tape.
Adhesive tape can be made double sticky tape and one side adhesive tape, to adapt to different application occasion.Conductivity type closed pore PE foam base material has not only guaranteed the capability of electromagnetic shielding while of adhesive tape but also has had excellent sealing shock-absorbing capacity, therefore can provide good electrical property protection and physicals protection for equipment.
Claims (4)
1. a foam base material electromagnetic shielding adhesive tape, by substrate layer (1) be coated on the one side of substrate layer (1) or two-sided glue-line (2) forms, is characterized in that described substrate layer (1) is the closed pore foam of conductivity type; Described glue-line (2) is for including the pressure-sensitive adhesive layer of conductive filler material.
2. a kind of foam base material electromagnetic shielding adhesive tape of claim 1, is characterized in that the thickness 1-5mm of described substrate layer (1), and the thickness of glue-line (2) is 15-30 μ m.
3. a kind of foam base material electromagnetic shielding adhesive tape of claim 1, is characterized in that described foam comprises PE foam, PVC foam, PU foam.
4. a kind of foam base material electromagnetic shielding adhesive tape of claim 1, is characterized in that described pressure-sensitive adhesive layer is acrylic acid series pressure-sensitive adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705759.0U CN203582791U (en) | 2013-11-11 | 2013-11-11 | Foamed base material electromagnetic shielding adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705759.0U CN203582791U (en) | 2013-11-11 | 2013-11-11 | Foamed base material electromagnetic shielding adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203582791U true CN203582791U (en) | 2014-05-07 |
Family
ID=50580741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705759.0U Expired - Fee Related CN203582791U (en) | 2013-11-11 | 2013-11-11 | Foamed base material electromagnetic shielding adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203582791U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388003A (en) * | 2014-11-25 | 2015-03-04 | 常熟市长江胶带有限公司 | High-strength belt-shaped conductive foam adhesive |
| CN105355332A (en) * | 2015-11-23 | 2016-02-24 | 上海卫星装备研究所 | Method for enhancing shielding efficiency of tail cover equipped micro rectangular electric connector cable assembly for satellites |
| CN106893519A (en) * | 2017-03-31 | 2017-06-27 | 江苏斯瑞达新材料科技有限公司 | Resistant to pollution two-sided electricity conductive cloth tape |
| CN107228194A (en) * | 2017-07-10 | 2017-10-03 | 大连中船新材料有限公司 | Seal for pipe joints protector and its processing method for protecting ship's outfit |
| CN107739582A (en) * | 2017-11-08 | 2018-02-27 | 上海三恩化工有限公司 | The manufacture method of foam tape based on medium transfer |
| CN108165191A (en) * | 2017-12-28 | 2018-06-15 | 张家港康得新光电材料有限公司 | A kind of foam and preparation method and application |
| CN110591597A (en) * | 2019-10-11 | 2019-12-20 | 南昌正业科技有限公司 | Conductive double-sided adhesive tape |
| CN113308204A (en) * | 2021-07-15 | 2021-08-27 | 宁波润禾高新材料科技股份有限公司 | Synthesis process of photocuring anti-static foam adhesive tape |
| WO2021175101A1 (en) * | 2020-03-06 | 2021-09-10 | 欧菲光集团股份有限公司 | Electrically-conductive foam, ultrasonic fingerprint module, display screen assembly, and electronic apparatus |
| CN114015379A (en) * | 2021-12-16 | 2022-02-08 | 苏州恒悦新材料有限公司 | Conductive shielding adhesive tape and preparation method thereof |
-
2013
- 2013-11-11 CN CN201320705759.0U patent/CN203582791U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388003A (en) * | 2014-11-25 | 2015-03-04 | 常熟市长江胶带有限公司 | High-strength belt-shaped conductive foam adhesive |
| CN105355332A (en) * | 2015-11-23 | 2016-02-24 | 上海卫星装备研究所 | Method for enhancing shielding efficiency of tail cover equipped micro rectangular electric connector cable assembly for satellites |
| CN106893519A (en) * | 2017-03-31 | 2017-06-27 | 江苏斯瑞达新材料科技有限公司 | Resistant to pollution two-sided electricity conductive cloth tape |
| CN107228194A (en) * | 2017-07-10 | 2017-10-03 | 大连中船新材料有限公司 | Seal for pipe joints protector and its processing method for protecting ship's outfit |
| CN107739582A (en) * | 2017-11-08 | 2018-02-27 | 上海三恩化工有限公司 | The manufacture method of foam tape based on medium transfer |
| CN108165191A (en) * | 2017-12-28 | 2018-06-15 | 张家港康得新光电材料有限公司 | A kind of foam and preparation method and application |
| CN110591597A (en) * | 2019-10-11 | 2019-12-20 | 南昌正业科技有限公司 | Conductive double-sided adhesive tape |
| WO2021175101A1 (en) * | 2020-03-06 | 2021-09-10 | 欧菲光集团股份有限公司 | Electrically-conductive foam, ultrasonic fingerprint module, display screen assembly, and electronic apparatus |
| CN113308204A (en) * | 2021-07-15 | 2021-08-27 | 宁波润禾高新材料科技股份有限公司 | Synthesis process of photocuring anti-static foam adhesive tape |
| CN114015379A (en) * | 2021-12-16 | 2022-02-08 | 苏州恒悦新材料有限公司 | Conductive shielding adhesive tape and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203582791U (en) | Foamed base material electromagnetic shielding adhesive tape | |
| US20160076829A1 (en) | Heat dissipating sheet | |
| US11155065B2 (en) | Compositions having a matrix and encapsulated phase change materials dispersed therein, and electronic devices assembled therewith | |
| KR101523332B1 (en) | Adhesive sheet, electromagnetic wave shielding sheet and electronic device | |
| US20160359134A1 (en) | Metal encapsulant having good heat dissipation properties, method of manufacturing same, and flexible electronic device encapsulated in said metal encapsulant | |
| US11416046B2 (en) | Compositions having a matrix and encapsulated phase change materials dispersed therein, and electronic devices assembled therewith | |
| JP5150842B2 (en) | Touch panel member and touch panel | |
| CN202941075U (en) | Combined-type graphite heat radiation sheet | |
| CN105419667B (en) | Thermally conductive high viscous metal base double faced adhesive tape | |
| JP2004263030A (en) | Conductive pressure sensitive adhesive sheet | |
| JP2005277145A (en) | Adhesive sheet for shielding electromagnetic wave | |
| JP2015136940A (en) | Conductive elastic member | |
| JP2010514916A (en) | Flame-retardant conductive pressure-sensitive adhesive material and method for producing the same | |
| CN107189721A (en) | A kind of conductive pressure sensitive glue composition and its application in production thickening bondline conductive tape | |
| CN104416969A (en) | Composite graphite cooling fin | |
| JP2006045315A (en) | Pressure-sensitive adhesive sheet, deposited metal film label, touch panel member and touch panel | |
| CN111777959A (en) | Polyurethane foaming double-sided adhesive tape and preparation method thereof | |
| JP2014001297A (en) | Conductive adhesive tape | |
| JP6679839B2 (en) | Adhesive tape, manufacturing method thereof, and heat dissipation film | |
| CN106566433A (en) | Electric-conduction shading radiating adhesive tape and manufacturing method | |
| CN202941076U (en) | Graphite heat radiation sheet for electronic product | |
| CN210011437U (en) | Heat-conducting silica gel heat-dissipation composite film | |
| JP2016128548A (en) | Conductive adhesive tape and method of producing conductive adhesive tape | |
| CN206157087U (en) | Multilayer double -sided tape | |
| CN111849376A (en) | Heat dissipation type foam adhesive tape and preparation method thereof |
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 |
Granted publication date: 20140507 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |