CN109147990A - A kind of single side jet printing type conductive film and preparation method thereof - Google Patents
A kind of single side jet printing type conductive film and preparation method thereof Download PDFInfo
- Publication number
- CN109147990A CN109147990A CN201810900025.5A CN201810900025A CN109147990A CN 109147990 A CN109147990 A CN 109147990A CN 201810900025 A CN201810900025 A CN 201810900025A CN 109147990 A CN109147990 A CN 109147990A
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- film
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
Abstract
The invention discloses a kind of single side jet printing type conductive films and preparation method thereof, including membrane body, the membrane body includes basement membrane, graphene layer positioned at basement membrane side, adhesive layer positioned at graphene layer side, the membrane body is made by following device: including film outlet port, membrane treatment appts, film rolling axis and the roller bearing for rolling connection with the membrane treatment appts below membrane treatment appts, the membrane treatment appts include film processing assembly, hot-pressing roller and cold pressing roller, the film processing assembly includes the first film processing assembly and the second film processing assembly, the first film processing assembly and the second film processing assembly include sequentially connected smooth film guiding roller, coarse milling roller, graphene nozzle and ultraviolet lasing device.Production method simple process of the present invention, meets the needs of high adhesion force requirement product, and by spraying graphene glue twice, roll-in twice greatly improves the electric conductivity of conductive film so that membrane body is close and solid.
Description
Technical field
The present invention relates to conductive film fields more particularly to a kind of single side jet printing type conductive film and preparation method thereof.
Background technique
Conductive film is the film with conducting function, as the material for forming conducting channel on substrate, it is known that contain
There is the conductive coating (sometimes referred to as conductive paste, electrically conductive ink etc.) of the conductive fillers such as silver powder, copper powder, widely for practical.
After generally conductive coating is coated on substrate with the methods of printing, conductive film is made by sintering.
Graphene is a kind of New Two Dimensional carbon material with honeycomb structure being made of single layer of carbon atom.Graphene tool
There is excellent electric conductivity, conductivity is 1.6 times of copper；Graphene all has near-infrared, visible light and ultraviolet light excellent saturating
The property crossed, the translucency of single-layer graphene is up to 97.7%；The intensity of graphene is more than 100 times of steel up to 130GPa, and is had
Excellent flexibility, thermal stability and chemical stability.Therefore, graphene can give full play to its structure as transparent conductive film
With performance advantage.
The large-area graphene that referenced patent CN201410709308.3 of the present invention discloses a kind of stable doping is transparent
Conductive film large-scale preparation method, the large-area graphene transparent conductive film prepare with scale side of specially a kind of stable doping
Method.This method improves the doping effect and stability of graphene transparent conductive film by sandwich, dopant and graphene
Intrinsic surface directly contacts and between graphene and transparent base.Graphene surface or transparent first in initial substrate
Matrix surface forms dopant, is then combined graphene, dopant and transparent base, finally by graphene and first primordium
Body separation, to prepare the large-area graphene transparent conductive film for stablizing doping.Outer layer protection of the graphene as dopant
Film improves the stability of doping；The intrinsic surface of graphene is directly contacted with dopant, avoids impurity to interface between the two
Pollution, improves the doping effect of dopant, to improve the electric conductivity of film.The transfer of graphene and doping process, which are closed two, is
One, it is easy to accomplish prepare with scale.
Patent No. CN201710078907.3 discloses a kind of plating metal enhancing transparent conductive film and preparation method thereof, should
Invention is the following steps are included: first prepare layer of transparent conductive layer on the surface of substrate, then using electro-plating method in electrically conducting transparent
Deposited metal layer on layer, and post-processed to obtain plating metal enhancing transparent conductive film；Wherein, the metal of the metal layer with
The quality proportioning of the material of transparency conducting layer is 0.001 ~ 500:1, and the surface of the substrate is plane, curved surface or irregular table
Face.Contact resistance can be eliminated using electroplating technology using the technical solution of the invention, Ohmic contact is realized, significantly increase transparent
The translucency and electric conductivity of conductive film, and the heat resistance of film is very prominent, also has good adhesive force, process
Simply, low in cost, reproducible and efficient, there is good prospects for commercial application.
Patent No. CN201610907841.X discloses the production method, transparent conductive film and touching of a kind of transparent conductive film
Control screen, production method includes: to imprint to form continuous groove in the one side of transparent insulating substrate using mold；In transparent insulation
Jelly is coated in the one side of substrate, using mold to imprinting on one side far from transparent insulating substrate, shape after solidifying it
At groove；Conductive material is filled into groove, forms conductive layer.
Although foregoing invention electric conductivity enhances, there is a defect, the metal layer of plating or the glue of coating
Object is easy to fall off, and adhesive force is bad.
For these reasons, it is necessary to design that a kind of process is simple, low in cost, adhesive force is good, electric conductivity is excellent
Different conductive film.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, provide a kind of single side jet printing type conductive film and
Preparation method, production method simple process meet the needs of high adhesion force requirement product, by spraying graphene glue twice
Liquid, secondary roll-in twice, so that membrane body is close and solid, laser drying prevents the graphene glue of sprinkling from falling off, and greatly improves
The electric conductivity of conductive film.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of single side jet printing type conductive film and preparation method thereof, including membrane body, the membrane body include basement membrane, are located at basement membrane one
The graphene layer of side, the adhesive layer positioned at graphene layer side, the membrane body are made by following device: including membrane
Mouth, membrane treatment appts, film rolling axis and several roller bearings for rolling connection with the membrane treatment appts below membrane treatment appts,
The film outlet port is set to one end of membrane treatment appts and the wound membrane axis connection of basement membrane, and the film rolling axis is set to membrane treatment appts
The other end, for rolling the membrane body made, the basement membrane is located above roller bearing, and described roller bearing one end connects membrane
Mouthful, the other end connects the film rolling axis, and the membrane treatment appts include film processing assembly, hot-pressing roller and cold pressing roller, and the film adds
Work component includes the first film processing assembly and the second film processing assembly, the first film processing assembly and the second film processing assembly packet
Include sequentially connected smooth film guiding roller, coarse milling roller, graphene nozzle and ultraviolet lasing device, the membrane body include with
Lower preparation method:
1) the first film processing assembly processes basement membrane；Roll-in, basement membrane described in smooth film guiding roller roll-in, coarse milling roller roll-in
Keep basement membrane roughening；Graphene nozzle sprays graphene glue；The drying of ultraviolet lasing device laser；
2) the second film processing assembly processes the basement membrane after processing again, repeats step 1 procedure of processing, and graphite is sprayed in roll-in
Alkene glue, laser drying；
3) membrane body described in hot-pressing roller roll-in；
4) membrane body after cold pressing roller roll-in processing, roll-forming；
5) after completing processing, membrane body is rolled by the film rolling axis.
Preferably, the coarse milling roller roll-in membrane body, the range setting of the roughness after roll-in Ra >=0.1~
1。
Preferably, graphene glue described in the step includes the mixing liquid of Graphene powder and light-sensitive emulsion, it is described
The mass ratio of Graphene powder and light-sensitive emulsion is set as (0.1~3): 2.
Preferably, the surface of the basement membrane is cleaned before the step roll-in, to enhance the cohesive force of the basement membrane.
Preferably, the first film processing assembly and the second film processing assembly further include smearing after graphene nozzle
Even scraper after spraying graphene glue in the step and step, guarantees that the graphene glue of sprinkling is thin by the applied scraper
It is thick uniform.
Preferably, the film thickness of the membrane body is set as 0.2~1NM.
Preferably, the smooth film guiding roller, coarse milling roller, hot-pressing roller and cold pressing roller corresponding membrane body position bottom
It is provided with supporting table, the rubber pad or foam-rubber cushion for preventing membrane body from scratching are provided in the supporting table.
Preferably, the temperature when step and step laser are dried is 50~70 DEG C, drying time be 3min~
30min。
Preferably, the step and step cycle are repeated twice or more than twice.
Preferably, several roller bearing one or both sides are provided with driving motor, the driving motor passes through conveyer belt
It is connect with roller bearing.
The beneficial effects of the present invention are:
1. practice simple process and low cost meets the needs of high adhesion force requirement product；
2. by spraying graphene glue, roll-in twice, so that membrane body reaches the performance of conductive film, wherein smooth guided membrane twice
Roller group roll-in is compacted membrane body, keeps membrane body close and solid, coarse to roll roller group roll-in and keep membrane body surface crude, increases and inhales
Attached effect；
3. laser drying prevents the graphene glue of sprinkling from falling off；
4. greatly improving electric conductivity, there is good capacitive character.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention and attached drawing is cooperated to be described in detail below.This hair
Bright specific embodiment is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is for structural schematic diagram of the present invention；
Fig. 2 is single-faced conductive film structure chart of the present invention；
Fig. 3 is the preparation method flow chart of single-faced conductive film of the present invention.
Figure label explanation: membrane body 1, basement membrane 2, graphene layer 3, adhesive layer 4, film outlet port 5, membrane treatment appts 6, wound membrane
Axis 7, the first film processing assembly 61, the second film processing assembly 62, smooth film guiding roller 601, coarse milling roller 602, graphene nozzle
603, ultraviolet lasing device 604, hot-pressing roller 605, cold pressing roller 606, applied scraper 607, roller bearing 8, supporting table 9, conveyer belt 10,
Driving motor 11.
Specific embodiment
The invention will be further described with reference to the accompanying drawing:
Referring to figs. 1 to shown in Fig. 3, a kind of single side jet printing type conductive film and preparation method thereof, including membrane body 1, the membrane body
1 includes basement membrane 2, the graphene layer 3 positioned at 2 side of basement membrane, the adhesive layer 4 positioned at 3 side of graphene layer, and the membrane body 1 is logical
It crosses following device to be made: including film outlet port 5, membrane treatment appts 6, film rolling axis 7 and being located at 6 lower section of membrane treatment appts and institute
Several roller bearings 8 that membrane treatment appts 6 roll connection are stated, the film outlet port 5 is set to one end and the basement membrane 2 of membrane treatment appts 6
Film rolling axis 7 connects, and the film rolling axis 7 is set to the other end of membrane treatment appts 6, for the membrane body made 1 to be rolled, institute
It states basement membrane 2 to be located above roller bearing 8,8 one end of roller bearing connection film outlet port 5, the other end connection film rolling axis 7, at the film
Managing device 6 includes film processing assembly, hot-pressing roller 605 and cold pressing roller 606, and the film processing assembly includes the first film processing assembly 61
With the second film processing assembly 62, the first film processing assembly 61 and the second film processing assembly 62 include sequentially connected smooth lead
Deflector roll 601, coarse milling roller 602, graphene nozzle 603 and ultraviolet lasing device 604, the membrane body 1 include following system
Preparation Method:
6) the first film processing assembly 61 processes basement membrane 2；Roll-in, basement membrane 2 described in smooth 601 roll-in of film guiding roller, coarse stone roller
602 roll-in of pressure roller keeps basement membrane 2 roughening；Graphene nozzle 603 sprays graphene glue；The drying of 604 laser of ultraviolet lasing device；
7) basement membrane 2 after 62 pairs of the second film processing assembly processing is processed again, repeats step 1 procedure of processing, and stone is sprayed in roll-in
Black alkene glue, laser drying；
8) membrane body 1 described in 605 roll-in of hot-pressing roller；
9) membrane body 1 after 606 roll-in of cold pressing roller processing, roll-forming；
10) after completing processing, membrane body 1 is rolled by the film rolling axis 7.
Preferably, the 602 roll-in membrane body 1 of coarse milling roller, the range setting of the roughness after roll-in Ra >=
0.1~1.
Preferably, graphene glue described in the step 1 includes the mixing liquid of Graphene powder and light-sensitive emulsion, it is described
The mass ratio of Graphene powder and light-sensitive emulsion is set as (0.1~3): 2.
Preferably, the surface of the basement membrane 2 is cleaned before step 1 roll-in, to enhance the bonding of the basement membrane 2
Power.
Preferably, the first film processing assembly and the second film processing assembly further include after being located at graphene nozzle 603
Applied scraper 607, after spraying graphene glue in the step 1 and step 2, pass through the applied scraper 607 and guarantee sprinkling
Graphene glue thin and thick is uniform.
Preferably, the film thickness of the membrane body 1 is set as 0.2~1NM.
Preferably, the smooth film guiding roller 601, coarse milling roller 602, hot-pressing roller 605 and the corresponding film of cold pressing roller 606
1 position bottom of ontology is provided with supporting table 9, and the rubber pad for preventing membrane body 1 from scratching or sponge are provided in the supporting table 9
Pad.
Preferably, the temperature when step 1 and step 2 laser are dried is 50~70 DEG C, drying time be 3min~
30min。
Preferably, the step 1 and step 2 circulating repetition are twice or more than twice.
Preferably, several 8 one or both sides of the roller bearing are provided with driving motor 11, the driving motor 11 passes through biography
Band 10 is sent to connect with roller bearing 8.
Specific embodiment:
In actual use, basement membrane 2 is spread out of by film outlet port 5,601 roll-in of smooth film guiding roller in the first film processing assembly 61
The basement membrane 2 is compacted basement membrane 2, and coarse 602 roll-in of milling roller keeps basement membrane 2 roughening, increases adsorption effect, graphene nozzle
603 sprinkling graphene glues, the applied scraper 607 after graphene nozzle sets 603 guarantee the graphene glue thin and thick of sprinkling
Uniformly, ultraviolet lasing device 604 emits laser, makes the black alkene glue drying of spraying；
Basement membrane 2 after the processing of second 62 pairs of film processing assembly is processed again, repeats above-mentioned procedure of processing, continues roll-in, spray
Graphene glue, laser drying are spilt, further progress compacting increases graphene glue adhesion effect, is not easy graphene glue
It falls off；
Membrane body 1 described in 605 roll-in of hot-pressing roller, the membrane body 1 after 606 roll-in of cold pressing roller processing, roll-forming complete processing
Afterwards, membrane body 1 is rolled by the film rolling axis 7.
The membrane body 1 that driving motor 11 drives roller bearing 8 to drive 8 top of roller bearing is mobile, and membrane body 1 is in the first film processing assembly
61 and second are shaped to single-faced conductive film under the action of film processing assembly 62.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of single side jet printing type conductive film and preparation method thereof, it is characterised in that: including membrane body (1), the membrane body (1)
It is described including basement membrane (2), the graphene layer (3) positioned at basement membrane (2) side, the adhesive layer (4) positioned at graphene layer (3) side
Membrane body (1) is made by following device: including film outlet port (5), membrane treatment appts (6), film rolling axis (7) and being located at film
Several roller bearings (8) of connection are rolled below processing unit (6) with the membrane treatment appts (6), the film outlet port (5) is set to film
One end of processing unit (6) is connect with the film rolling axis (7) of basement membrane (2), and the film rolling axis (7) is set to membrane treatment appts (6)
The other end, for rolling the membrane body made (1), the basement membrane (2) is located above roller bearing (8), described roller bearing (8) one end
It connects film outlet port (5), the other end connects the film rolling axis (7), and the membrane treatment appts (6) include film processing assembly, hot-pressing roller
(605) and cold pressing roller (606), the film processing assembly include the first film processing assembly (61) and the second film processing assembly (62),
The first film processing assembly (61) and the second film processing assembly (62) include sequentially connected smooth film guiding roller (601), coarse
Milling roller (602), graphene nozzle (603) and ultraviolet lasing device (604), the membrane body (1) includes following preparation side
Method:
1) the first film processing assembly (61) processes basement membrane (2)；Roll-in, basement membrane described in smooth film guiding roller (601) roll-in
(2), coarse milling roller (602) roll-in keeps basement membrane (2) roughening；Graphene nozzle (603) sprays graphene glue；Ultraviolet laser hair
The drying of emitter (604) laser；
2) the second film processing assembly (62) processes the basement membrane (2) after processing again, repeats step 1) procedure of processing, roller
Pressure sprays graphene glue, laser drying；
3) membrane body (1) described in hot-pressing roller (605) roll-in；
4) membrane body (1) after cold pressing roller (606) roll-in processing, roll-forming；
5) after completing processing, membrane body (1) is rolled by the film rolling axis (7).
2. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: described coarse
The range of milling roller (602) roll-in membrane body (1), the roughness after roll-in is arranged in Ra >=0.1~1.
3. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: the step
Graphene glue described in 1 includes the mixing liquid of Graphene powder and light-sensitive emulsion, the mass ratio of the Graphene powder and light-sensitive emulsion
It is set as (0.1~3): 2.
4. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: the step
The surface of the basement membrane (2) is cleaned before 1 roll-in, to enhance the cohesive force of the basement membrane (2).
5. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: described first
Film processing assembly and the second film processing assembly further include the applied scraper (607) after graphene nozzle (603), the step
1 and step 2 in spray graphene glue after, guarantee that the graphene glue thin and thick of sprinkling is uniform by the applied scraper (607).
6. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: the film sheet
The film thickness of body (1) is set as 0.2~1NM.
7. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: described smooth
Film guiding roller (601), coarse milling roller (602), hot-pressing roller (605) and corresponding membrane body (1) the position bottom of cold pressing roller (606) are set
It is equipped with supporting table (9), the rubber pad or foam-rubber cushion for preventing membrane body (1) from scratching is provided on the supporting table (9).
8. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: the step
1 and step 2 laser dry when temperature be 50~70 DEG C, drying time be 3min~30min.
9. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: the step
1 and step 2 circulating repetition twice or more than twice.
10. a kind of single side jet printing type conductive film according to claim 1 and preparation method thereof, it is characterised in that: Ruo Gansuo
It states roller bearing (8) one or both sides to be provided with driving motor (11), the driving motor (11) passes through conveyer belt (10) and roller bearing (8)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900025.5A CN109147990A (en) | 2018-08-09 | 2018-08-09 | A kind of single side jet printing type conductive film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900025.5A CN109147990A (en) | 2018-08-09 | 2018-08-09 | A kind of single side jet printing type conductive film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109147990A true CN109147990A (en) | 2019-01-04 |
Family
ID=64792379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900025.5A Pending CN109147990A (en) | 2018-08-09 | 2018-08-09 | A kind of single side jet printing type conductive film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420805A (en) * | 2019-07-24 | 2019-11-08 | 许必鸿 | Graphite ene coatings processing unit (plant) |
| CN116474566A (en) * | 2023-05-26 | 2023-07-25 | 安徽富博新材有限公司 | Preparation device for thermoplastic polyimide composite film and processing technology thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560391A (en) * | 2010-12-24 | 2012-07-11 | 海洋王照明科技股份有限公司 | Conducting film, and preparation method and application thereof |
| CN105761774A (en) * | 2014-12-19 | 2016-07-13 | 北京生美鸿业科技有限公司 | Novel electrode material applicable to intelligent liquid crystal dimming film and preparation method thereof |
-
2018
- 2018-08-09 CN CN201810900025.5A patent/CN109147990A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560391A (en) * | 2010-12-24 | 2012-07-11 | 海洋王照明科技股份有限公司 | Conducting film, and preparation method and application thereof |
| CN105761774A (en) * | 2014-12-19 | 2016-07-13 | 北京生美鸿业科技有限公司 | Novel electrode material applicable to intelligent liquid crystal dimming film and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420805A (en) * | 2019-07-24 | 2019-11-08 | 许必鸿 | Graphite ene coatings processing unit (plant) |
| CN116474566A (en) * | 2023-05-26 | 2023-07-25 | 安徽富博新材有限公司 | Preparation device for thermoplastic polyimide composite film and processing technology thereof |
| CN116474566B (en) * | 2023-05-26 | 2023-09-19 | 安徽富博新材有限公司 | Preparation device for thermoplastic polyimide composite film and processing technology thereof |
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Application publication date: 20190104 |