CN210725891U - Wave-absorbing shielding film with fireproof and flame-retardant effects - Google Patents
Wave-absorbing shielding film with fireproof and flame-retardant effects Download PDFInfo
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- CN210725891U CN210725891U CN201921932992.6U CN201921932992U CN210725891U CN 210725891 U CN210725891 U CN 210725891U CN 201921932992 U CN201921932992 U CN 201921932992U CN 210725891 U CN210725891 U CN 210725891U
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Abstract
The utility model discloses a wave-absorbing shielding film with fireproof and flame-retardant effects, which comprises a first wave-absorbing layer positioned above and a second wave-absorbing layer positioned in the middle, wherein the second wave-absorbing layer is compounded with release paper into a whole through a double-sided adhesive tape, a first thermoplastic flame-retardant layer is arranged between the first wave-absorbing layer and the second wave-absorbing layer, and the first thermoplastic flame-retardant layer adopts a glass fiber impregnated thermoplastic resin fabric one-way belt; the utility model discloses ensure to satisfy under the prerequisite of good ripples shielding effect of inhaling, realized excellent waterproof fire-retardant function, be fit for very much using in the electronic product under high temperature operational environment, effectively stop the potential safety hazard.
Description
Technical Field
The utility model belongs to electron shielding film field, concretely relates to inhale ripples shielding film with fire prevention flame retardant efficiency.
Background
With the rapid development of modern electronic industry, the number of various wireless communication systems and high-frequency electrical devices is rapidly increased, resulting in more and more problems of electromagnetic interference, electromagnetic pollution and the like. In order to solve the problems of electromagnetic interference and electromagnetic pollution, people propose to adopt an electromagnetic shielding film to realize the electromagnetic shielding function, and the main working principle of the electromagnetic shielding film is to adopt various shielding materials to effectively block and lose electromagnetic radiation.
The wave-absorbing shielding film belongs to one of main products in the field of electronic shielding films, particularly, the wave-absorbing shielding film product in the prior art mainly considers the wave-absorbing shielding effect, generally cannot simultaneously meet the waterproof flame-retardant effect, and along with the application of the wave-absorbing shielding film in various electronic products in a large quantity, the applicant considers that the wave-absorbing shielding film with the fireproof flame-retardant effect is very necessary.
Disclosure of Invention
In view of this, the utility model aims at providing a inhale ripples shielding film with fire prevention flame retardant efficiency is guaranteeing to satisfy under the prerequisite of good ripples shielding effect of inhaling, has realized excellent waterproof fire-retardant function, and the potential safety hazard is effectively stopped to the application in the electronic product of especially adapted under high temperature operational environment.
The utility model adopts the technical scheme as follows:
the utility model provides a inhale ripples shielding film with fire prevention flame retardant efficiency, is including the first layer of inhaling that is located the top, the second that is located the centre is inhaled the wave layer, the second is inhaled the wave layer and is passed through double-sided tape and from type paper complex as an organic whole, wherein, first inhale the wave layer with the second is inhaled and is equipped with the fire-retardant layer of first thermoplasticity between the wave layer, the fire-retardant layer of first thermoplasticity adopts glass fiber impregnated thermoplastic resin fabric unilateralion.
Preferably, the fabric unidirectional belt adopts a multi-layer unidirectional belt compounded into a whole.
Preferably, the thickness of the release paper ranges from 30 micrometers to 60 micrometers, the thickness of the first wave absorbing layer and/or the thickness of the second wave absorbing layer ranges from 30 micrometers to 60 micrometers, and the thickness of the first thermoplastic flame retardant layer ranges from 0.05 mm to 0.5 mm.
Preferably, a second thermoplastic flame-retardant layer is arranged on the surface of the first wave-absorbing layer, and the second thermoplastic flame-retardant layer adopts a glass fiber impregnated thermoplastic resin fabric unidirectional tape.
Preferably, the thermoplastic resin is polypropylene resin or polyester resin.
Preferably, the thickness of the second thermoplastic flame retardant layer ranges from 0.1 to 1 millimeter.
Preferably, the first wave absorbing layer and the second wave absorbing layer are both carbonyl iron powder coatings and are respectively coated and solidified on the upper surface and the lower surface of the first thermoplastic flame retardant layer.
Preferably, the first wave absorbing layer and the second wave absorbing layer are both made of copper foils and are compounded with the first thermoplastic flame-retardant layer into a whole by adopting a hot pressing process.
Preferably, the first wave absorbing layer is coated and solidified on the upper surface of the first thermoplastic flame retardant layer by adopting a carbonyl iron powder coating; and the second wave-absorbing layer is made of copper foil and is compounded with the first thermoplastic flame-retardant layer into a whole by adopting a hot-pressing process.
The polyester resin referred to in the present application means polyethylene terephthalate; the glass fiber impregnated thermoplastic resin fabric unidirectional tape related to the application can be directly purchased and obtained from the market, and the utility model discloses do not have special innovation to its material itself.
The utility model discloses a set up first wave-absorbing layer, the wave-absorbing shielding structure on fire-retardant layer of first thermoplasticity and second wave-absorbing layer, wave-absorbing shielding structure inside is equipped with the fire-retardant layer of thermoplasticity simultaneously, specifically, the fire-retardant layer of first thermoplasticity adopts glass fiber flooding thermoplastic resin fabric unilateralism area, the glass fiber flooding fabric of unilateralism area itself has very excellent fire prevention fire resistance, the structure of fabric unilateralism area can ensure the effect with the flame separation in effective interval region simultaneously, further place the condition that takes place flame and stretch when starting a fire and then lead to the incident.
The utility model discloses still further preferably according to the different absorbing material layer structure that adopts, and propose and carry out compound technology structure as an organic whole between absorbing layer and the fire-retardant layer of thermoplasticity, be convenient for very much implement the operation.
Drawings
Fig. 1 is a schematic structural view of a wave-absorbing shielding film 10 with fireproof and flame-retardant effects in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a wave-absorbing shielding film 20 with fireproof and flame-retardant effects in embodiment 2 of the present invention;
fig. 3 is a schematic structural view of the wave-absorbing shielding film 30 with fireproof and flame-retardant effects in embodiment 3 of the present invention;
fig. 4 is a schematic structural view of the wave-absorbing shielding film 40 with fireproof and flame-retardant effects in embodiment 4 of the present invention.
Detailed Description
The embodiment of the utility model discloses inhale ripples shielding film with fire prevention flame retardant efficiency, including the first absorbing layer that is located the top, the second absorbing layer that is located the centre, the second absorbing layer passes through double-sided tape and is as an organic whole from the type paper complex, wherein, is equipped with the fire-retardant layer of first thermoplasticity between first absorbing layer and the second absorbing layer, and the fire-retardant layer of first thermoplasticity adopts glass fiber flooding thermoplastic resin fabric unilateralion.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1: a wave-absorbing shielding film 10 with fireproof and flame-retardant effects comprises a first wave-absorbing layer 11 and a second wave-absorbing layer 12, wherein the first wave-absorbing layer 11 is located above the second wave-absorbing layer, the second wave-absorbing layer 12 is located in the middle of the second wave-absorbing layer, the second wave-absorbing layer is combined with release paper 14 into a whole through a double-sided adhesive tape 13, a first thermoplastic flame-retardant layer 15 is arranged between the first wave-absorbing layer 11 and the second wave-absorbing layer 12, the first thermoplastic flame-retardant layer 15 is made of glass fiber impregnated thermoplastic resin fabric unidirectional tapes, preferably, the fabric unidirectional tapes are multi-layer unidirectional tapes combined into a whole in the embodiment, the fireproof and flame-retardant effects are more reliable, but the;
preferably, in the embodiment, the thickness range of the release paper 14 is 30 to 60 micrometers, the thickness ranges of the first wave absorbing layer 11 and the second wave absorbing layer 12 are 30 to 60 micrometers, and the thickness range of the first thermoplastic flame retardant layer 15 is 0.05 to 0.5 mm; specifically, in the present embodiment, the thickness of the release paper 14 is 35 micrometers, the thickness of the first wave absorbing layer 11 and the thickness of the second wave absorbing layer 12 are both 35 micrometers, and the thickness of the first thermoplastic flame retardant layer 15 is 0.05 mm.
Preferably, the thermoplastic resin is polypropylene resin, and in other embodiments of the present application, the thermoplastic resin may also be polyester resin; the first wave absorbing layer 11 and the second wave absorbing layer 12 both adopt carbonyl iron powder coatings (carbonyl iron powder coating mixed liquid can be obtained from direct purchase in the market and is baked and cured), and are respectively coated and cured on the upper surface and the lower surface of the first thermoplastic flame retardant layer 15.
Example 2: the remaining technical solutions of this embodiment 2 are the same as those of embodiment 1, except that in this embodiment 2, please refer to the wave-absorbing shielding film 20 with fire-proof and flame-retardant effects shown in fig. 2, preferably, a second thermoplastic flame-retardant layer 26 is disposed on the surface of the first wave-absorbing layer 21, and the second thermoplastic flame-retardant layer 26 is a unidirectional tape made of glass fiber-impregnated thermoplastic resin fabric; preferably, the thickness of the second thermoplastic flame retardant layer 26 is in the range of 0.1 to 1 millimeter, specifically, in the present embodiment, the thickness of the second thermoplastic flame retardant layer 26 is 0.2 millimeter.
Example 3: the remaining technical solutions of this embodiment 3 are the same as those of embodiment 1, except that in this embodiment 3, referring to the wave-absorbing shielding film 30 with a fireproof and flame-retardant effect shown in fig. 3, preferably, the first wave-absorbing layer 31 and the second wave-absorbing layer 32 both adopt copper foils, and are combined with the first thermoplastic flame-retardant layer 35 into a whole by using a hot-pressing process (a known process in the field of composite films).
Example 4: the remaining technical solutions of this embodiment 4 are the same as those of embodiment 1, except that in this embodiment 4, please refer to the wave-absorbing shielding film 40 with a fireproof and flame-retardant effect shown in fig. 4, preferably, the first wave-absorbing layer 41 is a carbonyl iron powder coating, and is coated and cured on the upper surface of the first thermoplastic flame-retardant layer 45; and the second wave-absorbing layer 42 is made of copper foil and is compounded with the first thermoplastic flame-retardant layer 45 into a whole by adopting a hot-pressing process (a known process in the field of composite films).
The wave-absorbing shielding film of the embodiment 1-4 is subjected to waterproof flame-retardant grade effect, and can reach A1-grade fireproof grade.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a inhale ripples shielding film with fire prevention flame retardant efficiency which characterized in that, is including the first layer of inhaling that is located the top, the second that is located the centre is inhaled the wave layer, the second is inhaled the wave layer and is passed through double-sided tape and compound as an organic whole from type paper, wherein, first inhale the wave layer with it is equipped with the fire-retardant layer of first thermoplasticity to inhale between the wave layer to the second, the fire-retardant layer of first thermoplasticity adopts glass fiber impregnated thermoplastic resin fabric unilateralion.
2. The wave-absorbing shielding film with fireproof and flame-retardant effects as claimed in claim 1, wherein the fabric unidirectional tape is a multi-layer unidirectional tape compounded into a whole.
3. The wave-absorbing shielding film with fireproof and flame-retardant effects as claimed in claim 1, wherein the thickness range of the release paper is 30-60 microns, the thickness range of the first wave-absorbing layer and/or the second wave-absorbing layer is 30-60 microns, and the thickness range of the first thermoplastic flame-retardant layer is 0.05-0.5 mm.
4. The wave-absorbing shielding film with fireproof and flame-retardant effects as claimed in claim 1, wherein a second thermoplastic flame-retardant layer is arranged on the surface of the first wave-absorbing layer, and the second thermoplastic flame-retardant layer is made of glass fiber impregnated thermoplastic resin fabric unidirectional tape.
5. The wave-absorbing shielding film with fireproof and flame-retardant effects of claim 1 or 4, wherein the thermoplastic resin is polypropylene resin or polyester resin.
6. The wave-absorbing shielding film with fireproof and flame-retardant effects of claim 4, wherein the thickness of the second thermoplastic flame-retardant layer is in the range of 0.1-1 mm.
7. The wave-absorbing shielding film with fireproof and flame-retardant effects of claim 1, wherein the first wave-absorbing layer and the second wave-absorbing layer are both carbonyl iron powder coatings, and are respectively coated and cured on the upper surface and the lower surface of the first thermoplastic flame-retardant layer.
8. The wave-absorbing shielding film with fireproof and flame-retardant effects of claim 1, wherein the first wave-absorbing layer and the second wave-absorbing layer are both made of copper foil and are combined with the first thermoplastic flame-retardant layer into a whole by a hot-pressing process.
9. The wave-absorbing shielding film with fireproof and flame-retardant effects as claimed in claim 1, wherein the first wave-absorbing layer is coated and solidified on the upper surface of the first thermoplastic flame-retardant layer by adopting a carbonyl iron powder coating; and the second wave-absorbing layer is made of copper foil and is compounded with the first thermoplastic flame-retardant layer into a whole by adopting a hot-pressing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932992.6U CN210725891U (en) | 2019-11-11 | 2019-11-11 | Wave-absorbing shielding film with fireproof and flame-retardant effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921932992.6U CN210725891U (en) | 2019-11-11 | 2019-11-11 | Wave-absorbing shielding film with fireproof and flame-retardant effects |
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| Publication Number | Publication Date |
|---|---|
| CN210725891U true CN210725891U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921932992.6U Active CN210725891U (en) | 2019-11-11 | 2019-11-11 | Wave-absorbing shielding film with fireproof and flame-retardant effects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210725891U (en) |
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