CN115279032A - Graphene sheet material and manufacturing process - Google Patents
Graphene sheet material and manufacturing process Download PDFInfo
- Publication number
- CN115279032A CN115279032A CN202210906089.2A CN202210906089A CN115279032A CN 115279032 A CN115279032 A CN 115279032A CN 202210906089 A CN202210906089 A CN 202210906089A CN 115279032 A CN115279032 A CN 115279032A
- Authority
- CN
- China
- Prior art keywords
- layer
- graphene
- cutting
- insulating layer
- sheet material
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Carbon And Carbon Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the technical field of electronic equipment elements, in particular to a graphene plate and a manufacturing process thereof, wherein the graphene plate comprises a graphene layer, a first protective layer, a second protective layer, a first laminating layer and an insulating layer, the first protective layer and the second protective layer are respectively laminated on two sides of the graphene layer, and the insulating layer is laminated on the second protective layer through the first laminating layer; the graphene layer and the insulating layer are respectively laminated after being cut and formed by precision die cutting. The graphene layer and the insulating layer are processed in a precise die cutting mode, so that the precision of the prepared graphene layer and insulating layer is improved.
Description
Technical Field
The invention relates to the technical field of electronic equipment components, in particular to a graphene sheet material and a manufacturing process thereof.
Background
At present, a circuit board inside a mobile phone generally adopts a sheet material made of graphene to electrify electronic components. However, since graphene materials are easily oxidized by a chemical reaction at high temperature to generate carbon dioxide, they need to be protected, and the current method is as follows: various materials are adopted to laminate, coat and cut the graphene into corresponding shapes. However, the manufacturing precision of the graphene sheet material is generally low at present, and the required requirements cannot be met.
Disclosure of Invention
The invention provides a graphene plate material aiming at the problems in the prior art, and the size precision of the graphene plate material can be improved.
In order to solve the technical problem, the invention adopts the following technical scheme:
the invention provides a graphene sheet material which comprises a graphene layer, a first protective layer, a second protective layer, a first laminating layer and an insulating layer, wherein the first protective layer and the second protective layer are respectively laminated on two sides of the graphene layer;
the graphene layer and the insulating layer are respectively laminated after being cut and formed by precision die cutting.
Further, a second laminating layer is arranged on the insulating layer in a laminating mode, and a release layer is adhered to the second laminating layer; and cutting and forming through precision die cutting after the release layer, the insulating layer and the second laminating layer are laminated.
Furthermore, the first adhesive layer and the second adhesive layer are both double-sided adhesive tapes.
Furthermore, the first protective layer is provided with a base material, and one side of the base material close to the first protective layer is provided with a bonding layer.
Further, the base material is provided with a handle, and the handle is used for being picked and pulled to enable the base material to be separated from the first protection layer.
The invention also provides a graphene sheet material manufacturing process, which comprises the following steps:
A. cutting the blue film through precision die cutting to obtain a base material;
B. cutting graphene by precision die cutting to obtain graphene layers;
C. pressing a first protective layer and a second protective layer on two sides of the graphene layer respectively;
D. attaching the first protective layer to the substrate;
E. pasting a double-sided adhesive tape on one side, far away from the graphene layer, of the second protection layer, and cutting the double-sided adhesive tape through precision die cutting to obtain a first pasting layer;
F. attaching a double-sided adhesive tape to one surface of the insulating layer, carrying out precision die cutting on the insulating layer and the double-sided adhesive tape together to cut the insulating layer and the double-sided adhesive tape into a proper shape, and enabling the double-sided adhesive tape to form a second attaching layer;
G. attaching the other side of the insulating layer to the first attaching layer;
H. and attaching the release layer to the second attachment layer.
Further, the first protective layer and the second protective layer are made of black PI, and the insulating layer is made of black PG.
Further, the method comprises a step I of carrying out precision die cutting on the first protection layer, the graphene layer, the second protection layer, the first attaching layer, the insulating layer, the second attaching layer and the release layer so that the base material forms a handle relative to the structure.
Further, step I adopts handle die-cutting mechanism to carry out, and this handle die-cutting mechanism includes cutter and cutter elevating system, and cutter elevating system is used for driving the cutter and goes up and down, and the middle part of cutter is provided with the cross cutting portion, and the cross cutting portion is used for carrying out the cross cutting to first protective layer, graphite alkene layer, second protective layer, first laminating layer, insulating layer, second laminating layer and from the type layer.
Further, still include J adopt the tracker to carry out thickness detection to the graphite alkene sheet material, the tracker includes display screen, contact gear, deformation cover and inductor, and the tooth of contact gear's portion outside is provided with the conflict cambered surface, the conflict cambered surface be used for with the contact of graphite alkene sheet material, the contact gear liftable set up in the deformation cover, the inductor is used for responding to the deformation state of deformation cover, the display screen is used for seeing out the thickness of graphite alkene sheet material according to the response structure of inductor.
The invention has the beneficial effects that: the graphene layer and the insulating layer are processed in a precise die cutting mode, so that the precision of the prepared graphene layer and insulating layer is improved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a flow chart of the present invention.
Fig. 3 is a schematic view of a cutter according to the present invention.
FIG. 4 is a diagram of a tracker according to the present invention.
Fig. 5 is a schematic view of a prior art cutter according to the present embodiment.
Reference numerals: 1-graphite alkene layer, 2-first protective layer, 3-second protective layer, 4-first laminating layer, 5 insulating layers, 6-second laminating layer, 7-from type layer, 8 substrates, 9-cutter, 10-cross cutting portion, 12-display screen, 13-contact gear, 14-deformation cover, 15-inductor, 16-rotation seat, 17-pivot, 18-conflict cambered surface.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1 to 4, a graphene sheet material provided by the present invention includes a graphene layer 1, a first protection layer 2, a second protection layer 3, a first adhesion layer 4, and an insulation layer 5, wherein the first protection layer 2 and the second protection layer 3 are respectively laminated on two sides of the graphene layer 1, and the insulation layer 5 is adhered to the second protection layer 3 through the first adhesion layer 4; the graphene layer 1 and the insulating layer 5 are respectively attached after being cut and formed by precision die cutting.
In actual use, the first protective layer 2 is adhered with a substrate 8, one side of the substrate 8, which is close to the first protective layer 2, is provided with an adhesive layer, the insulating layer 5 is adhered with a second adhesive layer 6, and the second adhesive layer 6 is adhered with a release layer 7; cutting and forming through precision die cutting after the release layer 7, the insulating layer 5 and the second laminating layer 6 are laminated;
the graphene sheet material comprises the following manufacturing steps:
A. cutting the blue film by precision die cutting to produce a substrate 8;
B. cutting graphene by precision die cutting to prepare a graphene layer 1;
C. respectively pressing a first protective layer 2 and a second protective layer 3 on two sides of the graphene layer 1;
D. attaching the first protective layer 2 to the substrate 8;
E. pasting a double-sided adhesive tape on one side of the second protection layer 3, which is far away from the graphene layer 1, and cutting the double-sided adhesive tape through precision die cutting to obtain a first pasting layer 4;
F. sticking a double-sided adhesive tape on one surface of the insulating layer 5, carrying out precision die cutting on the insulating layer 5 and the double-sided adhesive tape together to cut the insulating layer and the double-sided adhesive tape into a proper shape, and enabling the double-sided adhesive tape to form a second sticking layer 6;
G. attaching the other surface of the insulating layer 5 to the first attaching layer 4;
H. and attaching the release layer 7 to the second attaching layer 6.
During manufacturing, after a base material 8 and a graphene layer 1 are formed by respectively performing precision die cutting, firstly, the graphene layer 1 is protected by a way of directly laminating and coating a first protective layer 2 and a second protective layer 3, and then the first protective layer 2 is attached to the base material 8, so that the base material 8 can be bonded with the first protective layer 2 without a double-sided adhesive due to certain viscosity on the surface; and then, after the insulating layer 5 and the double faced adhesive tape are attached, the insulating layer 5 and the second attaching layer 6 which are attached are formed through precision die cutting, the insulating layer 5 and the first attaching layer 4 are bonded, and finally the release layer 7 and the second attaching layer 6 are bonded, so that the graphene sheet material which can normally leave a factory is prepared.
This graphite alkene sheet material can paste on the product after tearing from type layer 7 when using, can normal use through tearing substrate 8 afterwards to convenient to use's effect has been reached.
Specifically, first laminating 4 and second laminating 6 are the double faced adhesive tape, have and easily acquire and guarantee the stable effect of bonding.
In particular, the substrate 8 is provided with a handle for being picked up and pulled to separate the substrate 8 from the first protective layer 2.
In the prior art, the arrangement of the handle is realized by cutting a structure except for the base material 8 by the cutter 9 as shown in fig. 5, and because the cutter 9 is of a hollow structure, the cut waste materials can be retained in the cutter 9 and can be normally used by regular cleaning; the invention is based on the defects and adopts the following modes to solve the problems:
the manufacturing method further comprises a step I of carrying out precision die cutting on the first protective layer 2, the graphene layer 1, the second protective layer 3, the first attaching layer 4, the insulating layer 5, the second attaching layer 6 and the release layer 7 so that the base material 8 forms a handle relative to the structure.
Specifically, step I adopts handle die-cutting mechanism to carry out, and this handle die-cutting mechanism includes cutter 9 and 9 elevating system of cutter, and 9 elevating system of cutter are used for driving cutter 9 and go up and down, and the middle part of cutter 9 is provided with cross cutting portion 10, and cross cutting portion 10 is used for carrying out the cross cutting to first protective layer 2, graphite alkene layer 1, second protective layer 3, first laminating layer 4, insulating layer 5, second laminating layer 6 and from type layer 7.
The handle of the substrate 8 can be formed by cutting the parts except the substrate 8 under the die cutting part 10 through the handle die cutting mechanism, and the precision die cutting is adopted for cutting, so that the descending height of the cutter 9 is very accurate, the main body of the part, which is not the substrate 8, can be separated from the waste at the corresponding position of the handle after cutting, and the waste can be separated from the graphene plate material only by air blowing or other modes in the follow-up process.
In the present embodiment, the first protective layer 2 and the second protective layer 3 are each made of black PI, and the insulating layer 5 is made of black PG. The PI has the advantages of high temperature resistance and flame retardance, and the first protective layer 2 and the second protective layer 3 which are made of the PI coat the graphene layer 1, so that the graphene layer 1 can be effectively prevented from being oxidized due to overhigh ambient temperature; PG has insulating effect, makes insulating layer 5 through PG and can avoid graphite alkene layer 1 to take place the electric leakage phenomenon to the safety effect has been promoted.
In this embodiment, the thickness detection of the graphene sheet is performed by using a tracker, the tracker includes a display screen 12, a contact gear 13, a deformation sleeve 14 and an inductor 15, an abutting arc surface 18 is arranged on an outer side of a tooth portion of the contact gear 13, the abutting arc surface 18 is used for contacting with the graphene sheet, the contact gear 13 is arranged on the deformation sleeve 14 in a lifting manner, the inductor 15 is used for inducing a deformation state of the deformation sleeve 14, and the display screen 12 is used for displaying the thickness of the graphene sheet according to an induction structure of the inductor 15.
This deformation cover 14 has and rotates seat 16, is connected through pivot 17 between contact gear 13 and the rotation seat 16, promptly after graphite alkene sheet material processing is accomplished, can be transmitted to through contact gear 13, makes deformation cover 14 take place small amplitude deformation through the mode with contact gear 13 contact and jack-up contact gear 13, measures this deformation volume and converts it into graphite alkene sheet material thickness back through inductor 15, sees through display screen 12.
Specifically, the deformation sleeve 14 is preferably a structure similar to a piano sleeve, and the sensor 15 can be a length sensing device; because the outer sides of the tooth parts of the contact gear 13 are arc-shaped, the graphene sheet materials cannot be scratched when passing through, the contact gear 13 is driven to rotate through the transmission of the graphene sheet materials, and the contact gear 13 can be effectively guaranteed to rotate, so that the contact of the graphene sheet materials at each time is guaranteed to be different tooth parts, and the graphene sheet materials are prevented from being scratched and the detection precision is guaranteed.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (10)
1. A graphene sheet material is characterized in that: the graphene layer is laminated on the two sides of the graphene layer through the first laminating layer;
the graphene layer and the insulating layer are respectively laminated after being cut and formed by precision die cutting.
2. The graphene platelet material of claim 1, wherein: the insulating layer is provided with a second laminating layer in an adhering mode, and a release layer is adhered to the second laminating layer; and cutting and forming the release layer, the insulating layer and the second laminating layer through precision die cutting after the release layer, the insulating layer and the second laminating layer are laminated.
3. The graphene sheet material according to claim 2, wherein: the first attaching layer and the second attaching layer are both double-sided adhesive tapes.
4. The graphene platelet material of claim 1, wherein: the first protective layer is provided with a base material, and one side of the base material close to the first protective layer is provided with an adhesive layer.
5. The graphene sheet material according to claim 4, wherein: the base material is provided with a handle, and the handle is used for being picked and pulled to enable the base material to be separated from the first protection layer.
6. A graphene sheet material manufacturing process is characterized in that: the method comprises the following steps:
A. cutting the blue film through precision die cutting to obtain a base material;
B. cutting graphene by precision die cutting to obtain graphene layers;
C. pressing a first protective layer and a second protective layer on two sides of the graphene layer respectively;
D. attaching a first protective layer to a substrate;
E. pasting a double-sided adhesive tape on one side, far away from the graphene layer, of the second protection layer, and cutting the double-sided adhesive tape through precision die cutting to obtain a first pasting layer;
F. sticking a double-sided adhesive tape on one surface of the insulating layer, carrying out precision die cutting on the insulating layer and the double-sided adhesive tape together to cut the insulating layer and the double-sided adhesive tape into a proper shape, and enabling the double-sided adhesive tape to form a second sticking layer;
G. attaching the other side of the insulating layer to the first attaching layer;
H. and attaching the release layer to the second attaching layer.
7. The graphene sheet manufacturing process according to claim 6, wherein: the first protective layer and the second protective layer are both made of black PI, and the insulating layer is made of black PG.
8. The graphene sheet manufacturing process according to claim 6, wherein: the method further comprises a step I of carrying out precision die cutting on the first protection layer, the graphene layer, the second protection layer, the first binding layer, the insulating layer, the second binding layer and the release layer so that the base material forms a handle relative to the structure.
9. The graphene sheet material manufacturing process according to claim 8, wherein: step I adopts handle die-cutting mechanism to carry out, and this handle die-cutting mechanism includes cutter and cutter elevating system, and cutter elevating system is used for driving the cutter and goes up and down, and the middle part of cutter is provided with the cross cutting portion, and the cross cutting portion is used for carrying out the cross cutting to first protective layer, graphite alkene layer, second protective layer, first laminating layer, insulating layer, second laminating layer and from the type layer.
10. The graphene sheet material manufacturing process according to claim 6, wherein: adopt the tracker to carry out thickness detection to graphite alkene sheet material still including J, the tracker includes display screen, contact gear, deformation cover and inductor, and the tooth of contact gear's portion outside is provided with the conflict cambered surface, and the conflict cambered surface is used for contacting with graphite alkene sheet material, and the contact gear liftable sets up in the deformation cover, and the inductor is used for responding to the deformation state of deformation cover, and the display screen is used for seeing the thickness of graphite alkene sheet material according to the response structure of inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906089.2A CN115279032B (en) | 2022-07-29 | 2022-07-29 | Graphene sheet material manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906089.2A CN115279032B (en) | 2022-07-29 | 2022-07-29 | Graphene sheet material manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115279032A true CN115279032A (en) | 2022-11-01 |
| CN115279032B CN115279032B (en) | 2023-05-12 |
Family
ID=83770421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210906089.2A Active CN115279032B (en) | 2022-07-29 | 2022-07-29 | Graphene sheet material manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115279032B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160368250A1 (en) * | 2015-02-03 | 2016-12-22 | Boe Technology Group Co., Ltd. | Graphene conductive film and method for forming the same, and flexible touch device |
| CN206697475U (en) * | 2017-03-21 | 2017-12-01 | 苏州迪诺美特包装科技有限公司 | A kind of graphene heat conducting film |
| CN110856289A (en) * | 2018-08-20 | 2020-02-28 | 苏州汉纳材料科技有限公司 | Flexible heating film and die cutting processing method and equipment thereof |
| CN111556701A (en) * | 2020-06-19 | 2020-08-18 | 苏州益邦电子材料有限公司 | Graphite substrate composite heat dissipation film |
| CN113492562A (en) * | 2020-03-19 | 2021-10-12 | 上海康天新能源科技有限公司 | Processing technology for preparing water-based graphene electrothermal film by die cutting and laminating method |
| CN216451724U (en) * | 2021-12-07 | 2022-05-06 | 东莞市鸿亿导热材料有限公司 | Lid graphite alkene heat dissipation membrane behind high heat conduction cell-phone |
-
2022
- 2022-07-29 CN CN202210906089.2A patent/CN115279032B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160368250A1 (en) * | 2015-02-03 | 2016-12-22 | Boe Technology Group Co., Ltd. | Graphene conductive film and method for forming the same, and flexible touch device |
| CN206697475U (en) * | 2017-03-21 | 2017-12-01 | 苏州迪诺美特包装科技有限公司 | A kind of graphene heat conducting film |
| CN110856289A (en) * | 2018-08-20 | 2020-02-28 | 苏州汉纳材料科技有限公司 | Flexible heating film and die cutting processing method and equipment thereof |
| CN113492562A (en) * | 2020-03-19 | 2021-10-12 | 上海康天新能源科技有限公司 | Processing technology for preparing water-based graphene electrothermal film by die cutting and laminating method |
| CN111556701A (en) * | 2020-06-19 | 2020-08-18 | 苏州益邦电子材料有限公司 | Graphite substrate composite heat dissipation film |
| CN216451724U (en) * | 2021-12-07 | 2022-05-06 | 东莞市鸿亿导热材料有限公司 | Lid graphite alkene heat dissipation membrane behind high heat conduction cell-phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115279032B (en) | 2023-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI522866B (en) | Display unit for touch screen and manufacturing method thereof | |
| CN115279032A (en) | Graphene sheet material and manufacturing process | |
| JP5992069B2 (en) | Transfer film used for manufacturing a patterned glass substrate | |
| US20230031505A1 (en) | Thin film-based microfluidic electronic device, method of forming thereof, and skin and tissue adhesive applications | |
| CN111146030A (en) | Manufacturing method of novel side key product | |
| JP5293466B2 (en) | Rolled transfer film and method for producing the same | |
| CN108624249A (en) | A kind of single layer aluminum-plastic composite membrane conductive tape | |
| CN116095941A (en) | Soft and hard combined plate and manufacturing method thereof | |
| KR100669792B1 (en) | Method of manufacturing a forming substrate, method of manufacturing a flat panel display device thereused, and pre-bonding apparatus of flexible substrate | |
| JP2016045841A (en) | Input device and manufacturing method of the same | |
| CN211283149U (en) | ACF attaching equipment | |
| CN109683753B (en) | Anti-deformation processing method for touch display module | |
| CN112208174A (en) | Antistatic protective film | |
| CN201657594U (en) | Aluminum foil polyester film composite structure | |
| CN213475865U (en) | Shading adhesive tape | |
| CN214500959U (en) | Firmer wide-width LED lamp strip film | |
| CN220220006U (en) | OGS glass structure | |
| CN210899664U (en) | Novel heat-conducting glass | |
| CN210501745U (en) | Full-screen curved surface toughened film | |
| CN214937162U (en) | Anti-peeping and anti-static tempered glass film for mobile phone screen printing | |
| JPH07302685A (en) | Manufacture of electroluminescent lamp | |
| JP5369329B2 (en) | Transfer film for baking | |
| CN209989309U (en) | Conductive aluminum foil for tablet computer | |
| CN216118319U (en) | Electrode fixed knot constructs, membrane and light control glass | |
| JP7415638B2 (en) | Power supply mechanism and light control body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |