CN112625617A - Functional film suitable for heat dissipation and light shielding of keyboard - Google Patents
Functional film suitable for heat dissipation and light shielding of keyboard Download PDFInfo
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- CN112625617A CN112625617A CN202011433632.9A CN202011433632A CN112625617A CN 112625617 A CN112625617 A CN 112625617A CN 202011433632 A CN202011433632 A CN 202011433632A CN 112625617 A CN112625617 A CN 112625617A
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- double
- release film
- heat dissipation
- sided adhesive
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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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention relates to a functional film suitable for heat dissipation and light shielding of a keyboard, which comprises a first conductive adhesive, a silica gel protective film, a MYLAR adhesive tape, a first graphite layer, a first double-sided adhesive layer, a second graphite layer, a second double-sided adhesive layer, an aluminum foil, a second conductive adhesive and a first release film which are sequentially arranged from bottom to top, wherein an insulating double-sided adhesive and an adhesive are arranged between the aluminum foil and the first release film, the edges of two ends of the first release film are respectively provided with the second release film, and the aluminum foil, the first release film and the second release film are bonded together through the second conductive adhesive, the insulating double-sided adhesive and the adhesive. The functional film suitable for heat dissipation and light shielding of the keyboard provided by the invention realizes good heat conduction and heat dissipation performance by adopting the two graphite layers, is high in overall heat dissipation efficiency, realizes good conductive and conductive performance by adopting the two conductive adhesive layers, has good insulation and light shielding performance, is good in laminating performance and excellent in bonding performance, can be directly used after the release film is quickly stripped, is simple and light and thin in overall structure, is diversified in function, and is suitable for industrial application.
Description
Technical Field
The invention belongs to the technical field of keyboard equipment, and particularly relates to a functional film suitable for heat dissipation and light shielding of a keyboard.
Background
The keyboard membrane of selling at present market possesses waterproof dustproof function usually, also can show computer keyboard's button under the dark condition, still can carry out color collocation etc. according to user's demand, but the thermal diffusivity of most keyboard membranes is not good, especially under the condition of hot weather or long-time keyboard of using, computer keyboard position generates heat obviously, has seriously influenced user experience.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a functional film which is suitable for heat dissipation and light shielding of a keyboard.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
the utility model provides a function membrane that adaptation keyboard heat dissipation light-resistant, includes by the first conductive adhesive, silica gel protection film, MYLAR sticky tape, first graphite layer, first double-sided adhesive layer, second graphite layer, second double-sided adhesive layer, aluminium foil, second conductive adhesive and the first type membrane of leaving that sets gradually from lower supreme, aluminium foil and first still set up insulating double-sided adhesive and viscose from between the type membrane, first set up the second respectively from type membrane (12) both ends border, bond together aluminium foil, first type membrane and second from type membrane through second conductive adhesive, insulating double-sided adhesive and viscose.
Furthermore, the number of the first conductive glue and the number of the second conductive glue are two, and the thicknesses of the first conductive glue and the second conductive glue are both 50 micrometers.
Furthermore, at least one second conductive adhesive is arranged between the aluminum foil and the first release film and is positioned on the inner side of the insulating double-sided adhesive tape.
Further, the thickness of the silica gel protective film is 0.1-0.116 mm.
Further, the thickness of the first double-sided adhesive layer and the thickness of the second double-sided adhesive layer are both 6 μm, and the adhesive strength of the first double-sided adhesive layer and the adhesive strength of the second double-sided adhesive layer are respectively 800-1500 gf/mm.
Furthermore, the thickness of the aluminum foil is 0.018-0.022mm, the tensile strength is 555-120MPa, and the elongation is 3-10%.
Furthermore, the insulating double-sided adhesive tape is adhered to three edge positions of the aluminum foil and the first release film and adheres the aluminum foil, the first release film and the second release film together, and the thickness of the insulating double-sided adhesive tape is 45-55 μm.
Furthermore, the first second that sets up from type membrane both ends border symmetry sets up from type membrane, and the first thickness of not less than the second from type membrane from the thickness of type membrane.
Further, the thickness of the first release film is 70-80 μm, and the thickness of the second release film is 50-60 μm.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a functional film suitable for heat dissipation and light shielding of a keyboard, which comprises a first conductive adhesive, a silica gel protective film, a MYLAR adhesive tape, a first graphite layer, a first double-sided adhesive layer, a second graphite layer, a second double-sided adhesive layer, an aluminum foil, a second conductive adhesive and a first release film which are sequentially arranged from bottom to top, wherein an insulating double-sided adhesive and an adhesive are further arranged between the aluminum foil and the first release film, the second release film is respectively arranged at the edges of two ends of the first release film, and the aluminum foil, the first release film and the second release film are bonded together through the second conductive adhesive, the insulating double-sided adhesive and the adhesive. The functional film suitable for heat dissipation and light shielding of the keyboard provided by the invention realizes good heat conduction and heat dissipation performance by adopting the two graphite layers, is high in overall heat dissipation efficiency, realizes good conductive and conductive performance by adopting the two conductive adhesive layers, has good insulation and light shielding performance, is good in laminating performance and excellent in bonding performance, can be directly used after the release film is quickly stripped, is simple and light and thin in overall structure, is diversified in function, and is suitable for industrial application.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic structural diagram of the silica gel protective film of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.
As shown in fig. 1-2, a functional film adapted to heat dissipation and light shielding of a keyboard comprises a first conductive adhesive 1, a silica gel protective film 2, a MYLAR tape 3, a first graphite layer 4, a first double-sided adhesive layer 5, a second graphite layer 6, a second double-sided adhesive layer 7, an aluminum foil 8, a second conductive adhesive 9, and a first release film 12, which are sequentially arranged from bottom to top and are adapted to each other, an insulating double-sided adhesive 10 and an adhesive 11 are further arranged between the aluminum foil 8 and the first release film 12, second release films 13 are respectively arranged at two end edges of the first release film 12, aluminum foil 8, first type membrane 12 and second type membrane 13 are bonded together through second conducting resin 9, insulating double faced adhesive tape 10 and viscose 11, and the same L type groove has all been opened to silica gel protection film 2, MYLAR sticky tape 3, first graphite layer 4, first double faced adhesive tape 5, second graphite layer 6, second double faced adhesive tape layer 7 one side edge looks adaptation position.
First conducting resin 1 and second conducting resin 9 are equipped with two respectively, and two first conducting resins 1 set up respectively in the one side that MYLAR sticky tape 3 was kept away from to silica gel protection film 2, and at least one in two second conducting resins 9 sets up in aluminium foil 8 and first from type membrane 12 between and be located insulating double faced adhesive tape 10 inboard. Preferably, one of the second conductive adhesives 9 is disposed between the aluminum foil 8 and the first release film 12 and located at the periphery of the double-sided adhesive tape 10, and the remaining second conductive adhesive 9 is disposed between the aluminum foil 8 and the first release film 12 and located inside the double-sided adhesive tape 10.
The thickness of the first conductive adhesive 1 and the second conductive adhesive 9 is 50 micrometers, the first conductive adhesive 1 and the second conductive adhesive 9 adopt Desha TESA 60571 series black double-sided conductive self-adhesive tapes, and the black double-sided conductive self-adhesive tapes are composed of conductive non-woven fabric base materials and conductive acrylic adhesives, have good conductivity and high adhesive force under high-temperature and high-humidity conditions, and have good adaptability and adjusting capability to uneven surfaces.
The thickness of the silica gel protective film 2 is 0.1-0.116mm, and the adhesive force of the silica gel protective film 2 is 2-4gf/25mm according to GBT2792-2014 standard.
The silica gel protective film 2 comprises a base film 14, a silica gel coating 15 and a PET layer 16 which are sequentially arranged from top to bottom, the base film 14 is made of PET, the thickness of the base film 14 is 0.02-0.026mm, and the sum of the thicknesses of the silica gel coating 15 and the PET layer 16 is 0.08-0.09mm, so that the silica gel protective film has the characteristics of shading, high temperature resistance, good chemical resistance, better applicability to related wireless charging matched products, easiness in shearing and punching, no rubber powder generation and no residual rubber after tearing, is suitable for product process protection, the production environment is a dust-free room, and the cleanliness is high.
The MYLAR adhesive tape 3 has the thickness of 0.027-0.033mm, the peeling force of 800-1800gf/25mm according to the GBT2792-2014 standard, has stable adhesive force and conformability, has excellent matte effect, and is mainly applied to bonding and protection of electronic products.
The thickness of the first graphite layer 4 is 0.032mm, and the thickness of the second graphite layer 6 is 0.04 mm.
The first double-sided adhesive layer 5 and the second double-sided adhesive layer 7 adopt DF6206 series double-sided adhesive or other existing products, the thickness of the first double-sided adhesive layer 5 and the thickness of the second double-sided adhesive layer 7 are both 6 mu m, the adhesive strength (180-degree peeling force) of the first double-sided adhesive layer 5 and the second double-sided adhesive layer 7 are respectively 800-1500gf/25mm, the appearance and the size stability are good, and the heat conductivity and the size cutting performance are good.
The aluminum foil 8 is 8011H22 aluminum foil with a thickness of 0.018-0.022mm, a tensile strength of 555-.
The insulating double-sided adhesive tape 10 is adhered to three edge positions of the aluminum foil 8 and the first release film 12, the aluminum foil 8, the first release film 12 and the second release film 13 are adhered together, and the thickness of the insulating double-sided adhesive tape 10 is 45-55 μm. The insulating double-sided adhesive tape 10 is a black double-sided shading adhesive tape, is formed by coating a high-performance acrylic acid adhesive on a black PET (polyethylene terephthalate) substrate under the 1000-grade environmental condition, has excellent insulativity, shading property, adhesion property, stress relaxation property, weather resistance and rejection resistance, has excellent die cutting performance, is convenient for online operation due to the characteristic of different stripping differences, and is halogen-free.
The glue 11 is 3M SP 7533 series glue, viscosity 28000 and 40000CPS, and is dispensed on the first release film 12.
The second is from type membrane 13 from the symmetry in first type membrane 12 both ends border setting, and the thickness of first type membrane 12 is not less than the thickness that the second was from type membrane 13.
Preferably, the thickness of the first release film 12 is 70-80 μm, the release force is 15-25g/inch, the release force is stable, and the flatness is good.
Preferably, the thickness of the second release film 13 is 50-60 μm, the release force is 70-110g/inch, the release force is stable, and the flatness is good.
The invention does not limit the structure, size, shape, material and the like of each layer, can be flexibly selected according to actual requirements, and improves the practicability.
The parts of the invention not specifically described can be realized by adopting the prior art, and the details are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a function membrane that adapts to keyboard heat dissipation light-resistant, its characterized in that includes first conducting resin (1), silica gel protection film (2), MYLAR sticky tape (3), first graphite layer (4), first double-sided adhesive layer (5), second graphite layer (6), second double-sided adhesive layer (7), aluminium foil (8), second conducting resin (9) and the first type membrane (12) of leaving that set gradually from lower supreme, still set up insulating double faced adhesive tape (10) and viscose (11) between aluminium foil (8) and the first type membrane (12), first set up the second respectively from type membrane (13) from type membrane (12) both ends border, bond together aluminium foil (8), first type membrane (12) and second from type membrane (13) through second conducting resin (9), insulating double faced adhesive tape (10) and viscose (11).
2. The functional film adapted to heat dissipation and light protection of the keyboard according to claim 1, wherein there are two first conductive adhesives (1) and two second conductive adhesives (9), and the thicknesses of the first conductive adhesives (1) and the second conductive adhesives (9) are both 50 μm.
3. The functional film adapted to dissipate heat and protect light of keyboard according to claim 1 or 2, wherein at least one second conductive adhesive (9) is disposed between the aluminum foil (8) and the first release film (12) and inside the double-sided insulating adhesive (10).
4. The functional film adapted to heat dissipation and light protection of keyboard according to claim 1, wherein the thickness of the silica gel protective film (2) is 0.1-0.116 mm.
5. The functional film adapted to heat dissipation and light protection of keyboard as claimed in claim 1, wherein the thickness of the first double-sided adhesive layer (5) and the second double-sided adhesive layer (7) are both 6 μm, and the adhesive strength of the first double-sided adhesive layer (5) and the second double-sided adhesive layer (7) is 800-1500gf/mm respectively.
6. The functional film for heat dissipation and light protection of keyboard according to claim 1, wherein the thickness of the aluminum foil (8) is 0.018-0.022 mm.
7. The functional film adapted to heat dissipation and light protection of keyboard of claim 1, wherein the insulating double-sided adhesive tape (10) is adhered to three edge positions of the aluminum foil (8) and the first release film (12), and the thickness of the insulating double-sided adhesive tape (10) is 45-55 μm.
8. The functional film adapted to heat dissipation and light protection of the keyboard according to claim 1, wherein the second release films (13) are symmetrically disposed at two end edges of the first release film (12), and the thickness of the first release film (12) is not less than that of the second release film (13).
9. The functional film adapted to dissipate heat and protect light of keyboard according to claim 8, wherein the thickness of the first release film (12) is 70-80 μm, and the thickness of the second release film (13) is 50-60 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011433632.9A CN112625617A (en) | 2020-12-10 | 2020-12-10 | Functional film suitable for heat dissipation and light shielding of keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011433632.9A CN112625617A (en) | 2020-12-10 | 2020-12-10 | Functional film suitable for heat dissipation and light shielding of keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112625617A true CN112625617A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011433632.9A Pending CN112625617A (en) | 2020-12-10 | 2020-12-10 | Functional film suitable for heat dissipation and light shielding of keyboard |
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| Country | Link |
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| CN (1) | CN112625617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114672263A (en) * | 2022-03-29 | 2022-06-28 | 苏州益邦电子材料有限公司 | Local insulation type conducting strip convenient to detect and vehicle-mounted central control screen |
-
2020
- 2020-12-10 CN CN202011433632.9A patent/CN112625617A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114672263A (en) * | 2022-03-29 | 2022-06-28 | 苏州益邦电子材料有限公司 | Local insulation type conducting strip convenient to detect and vehicle-mounted central control screen |
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