CN110564320A - High-flexibility ultrathin electromagnetic shielding adhesive tape and preparation process thereof - Google Patents
High-flexibility ultrathin electromagnetic shielding adhesive tape and preparation process thereof Download PDFInfo
- Publication number
- CN110564320A CN110564320A CN201910772976.3A CN201910772976A CN110564320A CN 110564320 A CN110564320 A CN 110564320A CN 201910772976 A CN201910772976 A CN 201910772976A CN 110564320 A CN110564320 A CN 110564320A
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- China
- Prior art keywords
- layer
- adhesive
- electromagnetic shielding
- downside
- shielding
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
-
- 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/22—Presence of unspecified polymer
- C09J2400/226—Presence of unspecified polymer in the substrate
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a high-flexibility ultrathin electromagnetic shielding adhesive tape which comprises a substrate layer, wherein an optical PET layer is arranged on the lower side of the substrate layer, a reflecting layer is arranged on the lower side of the optical PET layer, a modified layer is arranged on the lower side of the reflecting layer, a first adhesive layer is arranged on the lower side of the modified layer, a shielding layer is arranged on the lower side of the first adhesive layer, a second adhesive layer is arranged on the lower side of the shielding layer, a wave absorbing layer is arranged on the lower side of the second adhesive layer, and a pressure-sensitive adhesive layer is arranged on the lower side of the. The invention has excellent heat dissipation effect, corrosion resistance, flame retardance and waterproofness and good flexibility.
Description
Technical Field
The invention belongs to the technical field of adhesive tapes, and particularly relates to a high-flexibility ultrathin electromagnetic shielding adhesive tape and a preparation process thereof.
Background
The electronic product can generate noise due to interference of high-frequency electromagnetic waves, which affects the use quality, if a human body is exposed to a strong electromagnetic field for a long time, the electronic product is likely to be susceptible to cancer lesion, so that electromagnetic interference is imperative, a shielding body is used for surrounding an interference source of a component, a circuit, a combined part, a cable or the whole system to prevent an interference electromagnetic field from diffusing outwards, or a shielding body is used for surrounding a receiving circuit, equipment or system to prevent the receiving circuit, the equipment or the system from being influenced by an external electromagnetic field, the electromagnetic field is shielded by a shielding adhesive tape which is commonly used at present and is divided into various shielding adhesive tapes made of metal foils or conductive fabrics, such as a copper foil tape, an aluminum foil tape, a conductive fabric adhesive tape and the like, and the electronic product is.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the ultrathin electromagnetic shielding adhesive tape with excellent heat dissipation effect, corrosion resistance, flame retardance, waterproofness and good flexibility and the preparation process thereof.
In order to achieve the above object, the present invention adopts the following technical solutions:
Ultra-thin electromagnetic shield sticky tape of high softness, including the substrate layer, the downside of substrate layer is provided with optics PET layer, and the downside on optics PET layer is provided with the reflection stratum, and the downside on reflection stratum is provided with the modified layer, and the downside on modified layer is provided with the first layer of pasting, and the first downside of pasting the layer is provided with the shielding layer, and the downside on shielding layer is provided with the second and pastes the layer, and the downside that the layer was pasted to the second is provided with the absorbing layer, and the downside on absorbing layer is provided with pressure sensitive adhesive layer.
Preferably, the modifying layer is one or more of a heat conducting layer, a corrosion resistant layer, a flame retardant layer and a waterproof layer.
Still preferably, the shielding layer is one of a copper foil layer, an aluminum foil layer, a conductive woven fabric or a conductive non-woven fabric.
More preferably, the wave-absorbing layer is filled with a nano-composite wave-absorbing material.
Further preferably, the reflective layer is a resin film layer.
specifically, the thickness of the pressure ~ sensitive adhesive layer is 2 ~ 10 μm.
preferably, the thickness of the substrate layer is 1 ~ 30 μm.
The preparation process of the high-flexibility ultrathin electromagnetic shielding adhesive tape comprises the following specific steps of: adhering an optical PET film on the lower surface of the substrate layer to form an optical PET layer; adhering a resin film to the lower surface of the optical PET layer to form a reflecting layer; coating one or more of heat-conducting coating, corrosion-resistant coating, flame-retardant coating and waterproof coating on the lower surface of the reflecting layer according to requirements to form a heat-conducting layer, a corrosion-resistant layer, a flame-retardant layer and a waterproof layer; uniformly coating adhesive on the lower surface of the waterproof layer to form a first adhesive layer; one of a copper foil layer, an aluminum foil layer, a conductive woven fabric or a conductive non-woven fabric is adhered to the lower surface of the first adhesion layer to form a shielding layer; uniformly coating adhesive on the lower surface of the shielding layer to form a second adhesive layer; and adhering a wave absorbing layer on the lower surface of the second adhesive layer, and coating a pressure sensitive adhesive on the lower surface of the wave absorbing layer to obtain the electromagnetic shielding adhesive tape.
the invention has the advantages that: the high-flexibility ultrathin electromagnetic shielding adhesive tape disclosed by the invention has the advantages of excellent heat dissipation effect, corrosion resistance, flame retardance, waterproofness, good flexibility and wide application range, and the electromagnetic shielding effect of the adhesive tape is improved while the stable structure of the adhesive tape is ensured.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The high-flexibility ultrathin electromagnetic shielding adhesive tape comprises a base material layer, wherein an optical PET layer is arranged on the lower side of the base material layer, a reflecting layer is arranged on the lower side of the optical PET layer, a modified layer is arranged on the lower side of the reflecting layer, a first pasting layer is arranged on the lower side of the modified layer, a shielding layer is arranged on the lower side of the first pasting layer, a second pasting layer is arranged on the lower side of the shielding layer, a wave absorbing layer is arranged on the lower side of the second pasting layer, and a pressure-sensitive adhesive layer is arranged on the lower side of.
the modified layer is one or more of heat-conducting layer, corrosion-resistant layer, fire-retardant layer and waterproof layer, and the shielding layer is copper foil layer, aluminium foil layer, electrically conductive weaving or electrically conductive non-woven fabrics, and the microwave absorbing layer intussuseption is filled with nano-composite wave-absorbing material, and the reflection stratum is the resin thin layer, and pressure sensitive adhesive layer's thickness is 2 ~ 10 mu m, and the thickness of substrate layer is 1 ~ 30 mu m.
The preparation process of the high-flexibility ultrathin electromagnetic shielding adhesive tape comprises the following specific steps of: adhering an optical PET film on the lower surface of the substrate layer to form an optical PET layer; adhering a resin film to the lower surface of the optical PET layer to form a reflecting layer; coating one or more of heat-conducting coating, corrosion-resistant coating, flame-retardant coating and waterproof coating on the lower surface of the reflecting layer according to requirements to form a heat-conducting layer, a corrosion-resistant layer, a flame-retardant layer and a waterproof layer; uniformly coating adhesive on the lower surface of the waterproof layer to form a first adhesive layer; one of a copper foil layer, an aluminum foil layer, a conductive woven fabric or a conductive non-woven fabric is adhered to the lower surface of the first adhesion layer to form a shielding layer; uniformly coating adhesive on the lower surface of the shielding layer to form a second adhesive layer; and adhering a wave absorbing layer on the lower surface of the second adhesive layer, and coating a pressure sensitive adhesive on the lower surface of the wave absorbing layer to obtain the electromagnetic shielding adhesive tape.
The high-flexibility ultrathin electromagnetic shielding adhesive tape disclosed by the invention has the advantages of excellent heat dissipation effect, corrosion resistance, flame retardance, waterproofness and wide application range, and the electromagnetic shielding effect of the adhesive tape is improved while the stable structure of the adhesive tape is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (8)
1. Ultra-thin electromagnetic shield sticky tape of high softness, including the substrate layer, its characterized in that, the downside of substrate layer is provided with optics PET layer, the downside on optics PET layer is provided with the reflection stratum, the downside of reflection stratum is provided with the modified layer, the downside on modified layer is provided with the first layer of pasting, the first downside of pasting the layer is provided with the shielding layer, the downside on shielding layer is provided with the second and pastes the layer, the downside that the layer was pasted to the second is provided with and inhales the wave layer, the downside of inhaling the wave layer is provided with pressure sensitive adhesive layer.
2. The high-flexibility ultrathin electromagnetic shielding tape as claimed in claim 1, wherein the modified layer is one or more of a heat conduction layer, a corrosion-resistant layer, a flame-retardant layer and a waterproof layer.
3. The highly flexible ultra-thin electromagnetic shielding tape according to claim 1, wherein the shielding layer is one of a copper foil layer, an aluminum foil layer, a conductive woven fabric or a conductive non-woven fabric.
4. The high-flexibility ultrathin electromagnetic shielding adhesive tape as claimed in claim 1, wherein a nano composite wave-absorbing material is filled in the wave-absorbing layer.
5. The highly flexible ultra-thin electromagnetic shielding tape according to claim 1, wherein the reflective layer is a resin film layer.
6. the high ~ flexibility ultrathin electromagnetic shielding adhesive tape as claimed in claim 1, wherein the thickness of the pressure ~ sensitive adhesive layer is 2 ~ 10 μm.
7. the high ~ flexibility ultrathin electromagnetic shielding tape as claimed in claim 1, wherein the thickness of the substrate layer is 1 ~ 30 μm.
8. The preparation process of the high-flexibility ultrathin electromagnetic shielding tape according to any one of claims 1 to 7, characterized by comprising the following specific steps: adhering an optical PET film on the lower surface of the substrate layer to form an optical PET layer; adhering a resin film to the lower surface of the optical PET layer to form a reflecting layer; coating one or more of heat-conducting coating, corrosion-resistant coating, flame-retardant coating and waterproof coating on the lower surface of the reflecting layer according to requirements to form a heat-conducting layer, a corrosion-resistant layer, a flame-retardant layer and a waterproof layer; uniformly coating adhesive on the lower surface of the waterproof layer to form a first adhesive layer; one of a copper foil layer, an aluminum foil layer, a conductive woven fabric or a conductive non-woven fabric is adhered to the lower surface of the first adhesion layer to form a shielding layer; uniformly coating adhesive on the lower surface of the shielding layer to form a second adhesive layer; and adhering a wave absorbing layer on the lower surface of the second adhesive layer, and coating a pressure sensitive adhesive on the lower surface of the wave absorbing layer to obtain the electromagnetic shielding adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772976.3A CN110564320A (en) | 2019-08-21 | 2019-08-21 | High-flexibility ultrathin electromagnetic shielding adhesive tape and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772976.3A CN110564320A (en) | 2019-08-21 | 2019-08-21 | High-flexibility ultrathin electromagnetic shielding adhesive tape and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110564320A true CN110564320A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910772976.3A Pending CN110564320A (en) | 2019-08-21 | 2019-08-21 | High-flexibility ultrathin electromagnetic shielding adhesive tape and preparation process thereof |
Country Status (1)
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| CN (1) | CN110564320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507480A (en) * | 2022-03-16 | 2022-05-17 | 上海商寰航空科技有限公司 | Fireproof sealing anticorrosive adhesive tape for aviation equipment and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203144321U (en) * | 2012-12-21 | 2013-08-21 | 苏州金禾新材料股份有限公司 | Electromagnetic shielding adhesive tape |
| CN205115362U (en) * | 2015-10-21 | 2016-03-30 | 李同乐 | Inhale ripples shielding sticky tape |
| CN206666440U (en) * | 2017-03-31 | 2017-11-24 | 合肥达悦电子科技有限公司 | A kind of adhesive tape with function of shielding |
| CN207347475U (en) * | 2017-06-30 | 2018-05-11 | 厦门奈克斯工贸有限公司 | A kind of Multifunctional electromagnetic shielding adhesive tape |
| CN208055253U (en) * | 2018-03-02 | 2018-11-06 | 浙江超达经编有限公司 | One kind easily tearing Multifunctional adhesive tape |
| CN109135604A (en) * | 2018-08-08 | 2019-01-04 | 河源昆腾电子科技有限公司 | A kind of ultra-thin EMI electromagnetic shielding adhesive tape |
-
2019
- 2019-08-21 CN CN201910772976.3A patent/CN110564320A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203144321U (en) * | 2012-12-21 | 2013-08-21 | 苏州金禾新材料股份有限公司 | Electromagnetic shielding adhesive tape |
| CN205115362U (en) * | 2015-10-21 | 2016-03-30 | 李同乐 | Inhale ripples shielding sticky tape |
| CN206666440U (en) * | 2017-03-31 | 2017-11-24 | 合肥达悦电子科技有限公司 | A kind of adhesive tape with function of shielding |
| CN207347475U (en) * | 2017-06-30 | 2018-05-11 | 厦门奈克斯工贸有限公司 | A kind of Multifunctional electromagnetic shielding adhesive tape |
| CN208055253U (en) * | 2018-03-02 | 2018-11-06 | 浙江超达经编有限公司 | One kind easily tearing Multifunctional adhesive tape |
| CN109135604A (en) * | 2018-08-08 | 2019-01-04 | 河源昆腾电子科技有限公司 | A kind of ultra-thin EMI electromagnetic shielding adhesive tape |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507480A (en) * | 2022-03-16 | 2022-05-17 | 上海商寰航空科技有限公司 | Fireproof sealing anticorrosive adhesive tape for aviation equipment and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |