CN214545332U - Flexible high-frequency protective film - Google Patents
Flexible high-frequency protective film Download PDFInfo
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- CN214545332U CN214545332U CN202120324062.3U CN202120324062U CN214545332U CN 214545332 U CN214545332 U CN 214545332U CN 202120324062 U CN202120324062 U CN 202120324062U CN 214545332 U CN214545332 U CN 214545332U
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Abstract
The utility model relates to a flexible high frequency protecting film, including the protecting film body, the protecting film body has set gradually down from last dredges the oil reservoir, restores layer, insulating heat conduction antimagnetic printing ink layer, electrically conductive weaving cloth, heat and electricity conduction pressure sensitive adhesive layer, explosion-proof layer, substrate layer and bond line. The utility model discloses, do the electrically conductive pressure sensitive adhesive layer of heat conduction through electrically conductive weaving cloth, at the insulating heat conduction antimagnetic printing ink layer of electrically conductive weaving cloth another side coating one deck again, other layers of high cycle membrane structure welding machine welding of rethread, at last coat the bond line in substrate layer one side, make the product have fabulous product flexibility, have more the adhesion nature, stronger shielding function, heat conduction heat dissipation function, certain antimagnetic interference function, more effectual high frequency protection scheme design, to 5G, 6G high frequency signal's interference, accomplished electricity, heat, magnetism omnidirectional protection, easy cleanness, do not keep the fingerprint, the autonomic prosthetic capability and the dispersed impact force of certain degree, the ability of protection screen.
Description
Technical Field
The utility model relates to a flexible high frequency protecting film belongs to electronic product signal isolation shielding field.
Background
Along with the implementation of 5G high frequency signal, the penetrating power and the destructiveness of signal strengthen greatly, the energy that simultaneously transmits more promotes, the electricity that produces thereupon, heat, the magnetism problem is more aggravated, and the crooked design of cell-phone, the continuous popularization and application of OLED screen just makes protection class material require to have taken place new change, need material itself to have fine protection interference killing feature, still need to have fine flexibility, the assembly adhesion nature simultaneously to make protection class material better play the guard action, for this reason we propose a flexible high frequency protective film.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides a flexible high frequency protecting film, the utility model discloses a flexibility obtains very big promotion, the better problem of having solved crooked face and step laminating for the use of product has more validity and suitability, and the product compromises comprehensive properties such as heat conduction and electricity conduction shielding ripples absorption, and the problem in the background art can effectively be solved to the comprehensive interference of electricity, heat, magnetism that the omnidirectional solution high frequency transmission produced.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a flexible high frequency protecting film, includes the protecting film body, the protecting film body has set gradually from last to down and has dredged the oil reservoir, has restoreed the layer, has insulated heat conduction antimagnetic printing ink layer, electrically conductive weaving cloth, heat and electricity conduction pressure sensitive adhesive layer, explosion-proof layer, substrate layer and bond line.
Further, the thickness of the heat-conducting and electricity-conducting pressure-sensitive adhesive layer is designed to be-micron, the thickness of the electricity-conducting textile cloth is designed to be-micron, and the thickness of the insulating, heat-conducting and antimagnetic ink layer is designed to be-micron.
Furthermore, the oil drainage layer, the repairing layer, the insulating heat-conducting antimagnetic ink layer, the heat-conducting and electric-conducting pressure-sensitive adhesive layer, the explosion-proof layer and the base material layer are welded together by adopting a high-frequency membrane structure welding machine, and the bonding layer is laid on one side of the base material layer.
Further, the oil-repellent layer adopts nano-silica as a raw material, and the oil-repellent layer is laid above the repair layer through a spraying process.
Further, the repairing layer is made of a urea-urethane polymer material, and the anti-explosion layer is made of a microcrystalline slow-rebound material.
Furthermore, a plurality of through holes are formed in the surface of the protective film body in a penetrating mode, and dustproof paper is connected to one side of the bonding layer in a gluing mode.
The utility model discloses a technological effect and advantage:
the utility model discloses a do the electrically conductive pressure sensitive adhesive layer of heat conduction on the electrically conductive weaving cloth, again at the electrically conductive weaving cloth another side coating one deck insulating heat conduction antimagnetic printing ink layer, other layers of high cycle membrane structure welding machine welding of rethread, at last with the bond line coating in substrate layer one side, oleophobic layer spraying repair layer one side makes the product have following advantage:
1. the product has excellent flexibility and better adhesiveness;
2. stronger shielding function;
3. heat conduction and dissipation functions;
4. certain anti-magnetic interference function;
5. a more effective high-frequency protection scheme is designed;
6. aiming at the interference of 5G and 6G high-frequency signals, the all-round protection of electricity, heat and magnetism is realized;
7. easy cleaning without leaving fingerprints;
8. a certain degree of autonomous repair ability;
9. the impact force is dispersed, and the screen is protected.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an external view of the present invention;
fig. 3 is a schematic diagram of the utility model of the explosion-proof layer under impact.
Reference numbers in the figures: 1. a protective film body; 101. a through hole; 2. dredging an oil layer; 3. a repair layer; 4. an insulating heat-conducting antimagnetic ink layer; 5. conductive textile cloth; 6. a heat-conducting and electric-conducting pressure-sensitive adhesive layer; 7. an explosion-proof layer; 8. a substrate layer; 9. an adhesive layer; 10. dustproof paper.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-3, a flexible high-frequency protective film comprises a protective film body 1, wherein the protective film body 1 is sequentially provided with an oil-repellent layer 2, a repairing layer 3, an insulating heat-conducting antimagnetic ink layer 4, a conductive textile fabric 5, a heat-conducting and conductive pressure-sensitive adhesive layer 6, an explosion-proof layer 7, a base material layer 8 and an adhesive layer 9 from top to bottom.
As shown in fig. 1, the thickness of the heat-conducting and electrically-conducting pressure-sensitive adhesive layer 6 of the embodiment is designed to be 5-500 micrometers, the thickness of the electrically-conducting textile fabric 5 is designed to be 5-500 micrometers, the thickness of the insulating, heat-conducting and electrically-conducting ink layer 4 is designed to be 1-100 micrometers, and the heat-conducting and electrically-conducting pressure-sensitive adhesive layer is a pressure-sensitive main body made of acrylate, silica resin or rubber, and the heat-conducting powder with the compound mass ratio of 0.1-50% is not limited to the high-heat-conducting powder such as alumina, boron nitride, aluminum nitride, silicon carbide, silicon powder and graphene, and the electrically-conducting powder with the compound mass ratio of 0.1-50% is not limited to gold powder, silver powder, nickel powder, copper powder, silver-coated nickel powder, nickel-coated graphite powder, graphene powder and the like, and the electrically-conducting and electrically-conducting adhesive are obtained by fine grinding without being limited to sanding, ball milling, colloid milling, and coating without being limited to dimples, Comma scraper, roller coating, gravure printing, slit extrusion, spraying and the like are not limited to direct coating, transfer coating, spraying and the like on the conductive cloth, the conductive cloth is metallized on the surface of the conductive cloth in a vacuum plating, chemical plating, electroplating and the like mode without limiting cloth base to textile/non-textile type, the processed metal is not limited to gold, silver, copper, nickel, aluminum, tin and compounds or alloys or oxides thereof, the insulating heat-conducting antimagnetic ink layer 4 takes one or a combination of more of epoxy resin, acrylic polyester resin and polyurethane resin as a main body, the heat-conducting powder with the mass ratio of 0.1-80% is not limited to high-heat-conducting insulating powder such as aluminum oxide, boron nitride, aluminum nitride, silicon carbide, silicon powder and the like, meanwhile, the ferrite powder with the mass ratio of 0.1-80% is compounded, and the insulating heat-conducting antimagnetic ink is obtained by finely grinding without being limited to sanding, ball milling, colloid milling and the like, and then the conductive cloth is coated with a coating mode which is not limited to the modes of micro-concave, comma scraper, roller coating, gravure printing, slit extrusion, spraying and the like but not limited to direct coating, transfer coating, spraying and the like, so that the conductive cloth has excellent product flexibility, has better adhesiveness, has stronger shielding function, heat conduction and heat dissipation function, certain anti-magnetic interference function, more effective high-frequency protection scheme design and interference aiming at 5G and 6G high-frequency signals, and achieves all-round protection of electricity, heat and magnetism.
As shown in fig. 1, the oleophobic layer 2, the repair layer 3, the insulating heat-conducting antimagnetic ink layer 4 and the heat-conducting and electricity-conducting pressure-sensitive adhesive layer 6, the explosion-proof layer 7, and the substrate layer 8 are all welded together by a high-frequency membrane structure welding machine, the adhesive layer 9 is laid on one side of the substrate layer 8, the product manufacturing process is to make the heat-conducting and electricity-conducting pressure-sensitive adhesive layer 6 on the electricity-conducting textile fabric 5, then coat one insulating heat-conducting antimagnetic ink layer 4 on the other side of the electricity-conducting textile fabric 5, weld other layers by the high-frequency membrane structure welding machine, finally coat the adhesive layer 9 on one side of the substrate layer 8, spray-coat the repair layer 3 on one side of the oleophobic layer 2, and complete the manufacturing process.
As shown in fig. 1, the oleophobic layer 2 of this embodiment adopts nanometer silica as raw and other materials, and the oleophobic layer 2 of dredging passes through spraying process and lays and adopt spraying process in repairing layer 3 top, forms the coating on protective film body 1 surface, makes it possess good light transmissivity and hydrophobic oleophobic nature of dredging, and the human body is because normal metabolism, and the finger often has grease and sweat, through the contact screen, can leave the finger trace, adds the biggest effect of dredging oily layer 2 and can be difficult to leave the fingerprint, and it is more convenient clean.
As shown in fig. 1 and fig. 3, the principle of repairing the repairing layer 3 with the urea-urethane polymer material and the repairing layer 3 with the microcrystalline slow-recovery material for the explosion-proof layer 7 is a double decomposition reaction of aromatic hydrocarbon disulfide, which can be performed at normal temperature, so that the material can realize self-recovery, the healing rate is up to 97% as proved in a laboratory, a slight scratch on the surface of the protective film body 1 can be repaired, and the microcrystalline slow-recovery material can disperse the impact force on the screen and protect the screen from being cracked.
As shown in fig. 2, the surface of the protective film body 1 of the present embodiment has a plurality of through holes 101, the adhesive layer 9 is connected to dustproof paper 10 by gluing, the through holes 101 enable the protective film body 1 to expose a front camera when being attached to a screen, and the dustproof paper 10 prevents the protective film body 1 from entering dust and is not interfered by dust when being attached to the screen.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
The utility model discloses the theory of operation: the production process of the product comprises the steps of making a heat-conducting and electricity-conducting pressure-sensitive adhesive layer 6 on an electricity-conducting textile fabric 5, coating an insulating, heat-conducting and magnetism-preventing ink layer 4 on the other surface of the electricity-conducting textile fabric 5, welding other layers by a high-frequency membrane structure welding machine, finally coating an adhesive layer 9 on one side of a substrate layer 8, and spraying an oleophobic layer 2 on one side of a repairing layer 3 to complete the production process, wherein the heat-conducting and electricity-conducting pressure-sensitive adhesive layer is a pressure-sensitive main body made of acrylate, silica gel resin or rubber, and the like, and the heat-conducting powder with the compounding mass ratio of 0.1-50% is not limited to aluminum oxide, boron nitride, aluminum nitride, silicon carbide, silicon powder, graphene and the like, and the electricity-conducting powder with the compounding mass ratio of 0.1-50% is not limited to gold powder, silver powder, nickel powder, copper powder, silver-coated nickel powder, nickel-coated graphite powder, graphene and the like, the electric and heat conducting glue is obtained by fine grinding without being limited to modes of sanding, ball milling, colloid milling and the like, and then is coated on the electric conductive cloth in a mode without being limited to modes of direct coating, transfer coating, spraying and the like by coating modes without being limited to modes of micro-concave, comma scraper, roller coating, gravure printing, slit extrusion, spraying and the like; the conductive cloth is characterized in that the surface of the conductive cloth is metallized by a cloth base which is not limited to a woven/non-woven type in a vacuum plating, chemical plating, electroplating and other modes, the processed metal is not limited to gold, silver, copper, nickel, aluminum, tin and compounds or alloys or oxides thereof, the insulating heat-conducting antimagnetic ink layer 4 is mainly made of one or a combination of epoxy resin, acrylic polyester resin and polyurethane resin, 0.1-80% by mass of heat-conducting powder is not limited to high-heat-conducting insulating powder such as aluminum oxide, boron nitride, aluminum nitride, silicon carbide and silicon powder, 0.1-80% by mass of ferrite powder is compounded, the insulating heat-conducting antimagnetic ink is obtained by finely grinding without limitation to sanding, ball milling, colloid milling and the like, and the implementation of the coating mode without limitation to micro-concave, comma scraper, roller coating, gravure printing, slit extrusion, spraying and the like is not limited to direct coating, Form such as transfer is scribbled, spraying is on electrically conductive cloth, can make it have fabulous product flexibility, has more the adhesion nature, possesses stronger shielding function, possesses heat conduction heat dissipation function, possesses certain antimagnetic interference function, more effectual high frequency protection scheme design and to 5G, 6G high frequency signal's interference, accomplished electricity, heat, the all-round protection of magnetism, the utility model discloses a flexibility obtains very big promotion, better solution the problem of crooked face and step laminating for the use of product has more validity and suitability, and compromise comprehensive properties such as the wave-absorbing of the electrically conductive shielding of product heat conduction, the electricity that all-round solution high frequency transmission produced, heat, the comprehensive interference of magnetism.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. A flexible high-frequency protective film, comprising a protective film body (1), characterized in that: the protective film comprises a protective film body (1) and is characterized in that an oil-dredging layer (2), a repairing layer (3), an insulating heat-conducting antimagnetic ink layer (4), electric-conducting textile cloth (5), a heat-conducting and electric-conducting pressure-sensitive adhesive layer (6), an explosion-proof layer (7), a base material layer (8) and an adhesive layer (9) are sequentially arranged from top to bottom.
2. A flexible high-frequency protective film according to claim 1, characterized in that: the thickness of the heat-conducting and electric-conducting pressure-sensitive adhesive layer (6) is designed to be 5-500 micrometers, the thickness of the electric-conducting textile fabric (5) is designed to be 5-500 micrometers, and the thickness of the insulating and heat-conducting antimagnetic ink layer (4) is designed to be 1-100 micrometers.
3. A flexible high-frequency protective film according to claim 1, characterized in that: the oil-repellent layer (2), the repair layer (3), the insulating heat-conducting antimagnetic ink layer (4), the heat-conducting and electricity-conducting pressure-sensitive adhesive layer (6), the explosion-proof layer (7) and the base material layer (8) are welded together by a high-frequency membrane structure welding machine, and the bonding layer (9) is laid on one side of the base material layer (8).
4. A flexible high-frequency protective film according to claim 1, characterized in that: the oil-repellent layer (2) adopts nano-silica as a raw material, and the oil-repellent layer (2) is laid above the repair layer (3) through a spraying process.
5. A flexible high-frequency protective film according to claim 1, characterized in that: the repairing layer (3) is made of urea-urethane polymer materials, and the anti-explosion layer (7) is made of microcrystalline slow-rebound materials.
6. A flexible high-frequency protective film according to claim 1, characterized in that: the protective film is characterized in that a plurality of through holes (101) are formed in the surface of the protective film body (1) in a penetrating mode, and dustproof paper (10) is connected to one side of the bonding layer (9) in a gluing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120324062.3U CN214545332U (en) | 2021-02-05 | 2021-02-05 | Flexible high-frequency protective film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120324062.3U CN214545332U (en) | 2021-02-05 | 2021-02-05 | Flexible high-frequency protective film |
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| CN214545332U true CN214545332U (en) | 2021-10-29 |
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| CN202120324062.3U Active CN214545332U (en) | 2021-02-05 | 2021-02-05 | Flexible high-frequency protective film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115449312A (en) * | 2022-08-18 | 2022-12-09 | 湖南尚鑫新材料科技有限公司 | Explosion-proof and scratch-proof mobile phone film and preparation method thereof |
-
2021
- 2021-02-05 CN CN202120324062.3U patent/CN214545332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115449312A (en) * | 2022-08-18 | 2022-12-09 | 湖南尚鑫新材料科技有限公司 | Explosion-proof and scratch-proof mobile phone film and preparation method thereof |
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