CN109166668A - A kind of manufacturing method of conductive film - Google Patents
A kind of manufacturing method of conductive film Download PDFInfo
- Publication number
- CN109166668A CN109166668A CN201810936417.7A CN201810936417A CN109166668A CN 109166668 A CN109166668 A CN 109166668A CN 201810936417 A CN201810936417 A CN 201810936417A CN 109166668 A CN109166668 A CN 109166668A
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- China
- Prior art keywords
- nano
- conductive film
- manufacturing
- silver thread
- dimple
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- 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.)
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- 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
- H01B13/0026—Apparatus for manufacturing conducting or semi-conducting layers, e.g. deposition of metal
Abstract
The present invention relates to a kind of manufacturing methods of conductive film.The manufacturing method includes: (1) to unreel PET, and nano-silver thread slurry is entered by slit type coating head and covers slit coating surface；(2) curing oven winds manufactured nano-silver thread semi-manufactured coated paper film；(3) the nano-silver thread semi-manufactured coated paper film is unreeled again, polymer protection layer liquid enters by dimple formula coating head and covers dimple formula coating surface；(4) ultraviolet curing winds manufactured protective layer semi-finished product film；(5) the protective layer semi-finished product film is unreeled again, hardening bath enters by dimple formula coating head and covers dimple formula coating surface；(6) ultraviolet curing, finished product -- nano-silver thread conductive film winding.
Description
Technical field
The present invention relates to a kind of manufacturing method of conductive film, in particular to a kind of manufacturing method of nano-silver thread conductive film.
Background technique
Common liquid crystal handwriting pad currently on the market is the structure for utilizing bilayer conductive film, intermediate holder liquid crystal, described to lead
Electrolemma is generally made of base (PET), ITO conductive layer.This method causes the liquid crystal layer of intermediate holder to connect with ITO conductive layer
Touching, this will affect the electric conductivity of conductive layer；In addition, conductive layer is contacted with liquid crystal layer, does not play and reduce liquid crystal layer mobility
Effect.When liquid crystal mobility will affect greatly very much that large scale handwriting pad is perpendicular to be hung, liquid crystal due to gravity and mobility can it is sagging or
Decline, influences display effect.
Summary of the invention
The object of the present invention is to provide the conductive layers in a kind of conductive film not to contact directly with liquid crystal layer, avoids liquid crystal layer
Influence to conductive layer electric conductivity；Cured layer is contacted with liquid crystal layer, so that cured layer plays the conductive film for reducing liquid crystal mobility
Manufacturing method.It is a further object of the present invention to provide conductive film can improve the adhesion of liquid crystal, reduce liquid crystal mobility, application
On different sized liquid crystal handwriting pads, to the manufacturing method for the conductive film that conductive layer can also play a protective role.
The manufacturing method of the technical solution of the invention is as follows the conductive film, is characterized in that, including following work
Sequence:
(1) PET is unreeled, nano-silver thread slurry is entered by slit type coating head and covers slit coating surface；
(2) curing oven winds manufactured nano-silver thread semi-manufactured coated paper film；
(3) the nano-silver thread semi-manufactured coated paper film is unreeled again, polymer protection layer liquid passes through dimple formula coating head
Into and cover dimple formula coating surface；
(4) ultraviolet curing winds manufactured protective layer semi-finished product film；
(5) the protective layer semi-finished product film is unreeled again, hardening bath enters by dimple formula coating head and covers dimple formula
Coating surface；
(6) ultraviolet curing, finished product -- nano-silver thread conductive film winding.
As preferred: (1) the process further comprises:
(1.1) PET is black or transparent；
(1.2) coating thickness of nano-silver thread slurry is in 0.1~2um, and 5~50 ms/min of coating speed.
As preferred: (2) the process further comprises:
(2.1) solidification temperature: 60~120 degrees Celsius；Every section baking oven air quantity: 1000m3/ 3H~3000m3/3H。
As preferred: (3) the process further comprises:
(3.1) the polymer protection layer choosing polysiloxanes based polymer, acrylic acid series polymeric compounds and amido formate
One or more of based polymer, structure are one or more layers.
As preferred: (5) the process further comprises:
(5.1) one or more layers hardened layer is coated in the protective layer.
As preferred: (5) the process further comprises:
(5.2) it is coated with two layers of hardened layer in the protective layer, first layer hardens 0.1~5um of coating thickness, the second layer
Harden 0.5~10um of coating thickness.
Compared with prior art, beneficial effects of the present invention:
(1) conductive film of the invention can improve the adhesion of liquid crystal, reduce liquid crystal mobility, apply in different sized liquid crystals
On handwriting pad, can also it play a protective role to conductive layer.
(2) conductive layer of the invention does not contact directly with liquid crystal layer, avoids influence of the liquid crystal layer to conductive layer electric conductivity.
(3) cured layer of the invention is contacted with liquid crystal layer, so that cured layer plays the role of reducing liquid crystal mobility.
Detailed description of the invention
Fig. 1 is the schematic diagram of manufacturing method first step process of the present invention and second step process process；
Fig. 2 is schematic diagram of the manufacturing method third step process of the present invention to the 6th step process process.
Specific embodiment
The present invention is described in further detail below in conjunction with drawings and examples:
The conductive film constitutes composite layer knot by nano-silver thread, polymer protection layer, the hardened layer that coating, coating surface cover
Structure.
Wherein, the polymer protection layer includes polysiloxanes based polymer, acrylic acid series polymeric compounds and the amido selected
One or more of formic acid esters based polymer, structure are one or more layers.
The manufacturing method of the conductive film includes:
Refering to Figure 1, (1) PET film unreels, nano-silver thread slurry is entered by slit type coating head and covers slit
Formula coating surface；Wherein, the coating thickness of nano-silver thread slurry can be adjusted in 0.8um, resistance value according to coating thickness, apply
20 ms/min of cloth speed；
(2) curing oven winds manufactured nano-silver thread semi-manufactured coated paper film；Wherein, solidification temperature: 80 degrees Celsius；Often
Save baking oven air quantity: 2000m3/3H；
It please refers to shown in Fig. 2, (3) unreels the nano-silver thread semi-manufactured coated paper film again, polymer protection layer liquid is logical
Dimple formula coating head is crossed to enter and cover dimple formula coating surface；
(4) UV solidifies, and manufactured protective layer semi-finished product film is wound；
(5) the protective layer semi-finished product film is unreeled again, hardening bath enters by dimple formula coating head and covers dimple formula
Coating surface；Wherein, respectively nano-silver thread layer surface be coated with two layers of hardened layer, first layer harden coating thickness 0.5um, second
Layer hardening coating thickness 2um, hardness 1H use Japan's JIS5400 standard；
(6) UV solidifies, using the solidification temperature of room temperature, every section baking oven air quantity: 800m3, finished product -- nano-silver thread conductive film
Winding.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the invention as claimed with
Modification, should all belong to the covering scope of the claims in the present invention.
Claims (6)
1. a kind of manufacturing method of conductive film, which is characterized in that including following process:
(1) PET is unreeled, nano-silver thread slurry is entered by slit type coating head and covers slit coating surface；
(2) curing oven winds manufactured nano-silver thread semi-manufactured coated paper film；
(3) the nano-silver thread semi-manufactured coated paper film is unreeled again, polymer protection layer liquid is entered by dimple formula coating head
And cover dimple formula coating surface；
(4) ultraviolet curing winds manufactured protective layer semi-finished product film；
(5) the protective layer semi-finished product film is unreeled again, hardening bath is entered by dimple formula coating head and covers the coating of dimple formula
Surface；
(6) ultraviolet curing, finished product -- nano-silver thread conductive film winding.
2. the manufacturing method of conductive film according to claim 1, which is characterized in that (1) the process further comprises:
(1.1) PET is black or transparent；
(1.2) coating thickness of nano-silver thread slurry is in 0.5~1um, and 5-50 ms/min of coating speed.
3. the manufacturing method of conductive film according to claim 1, which is characterized in that (2) the process further comprises:
(2.1) solidification temperature: 60~120 degrees Celsius；Every section baking oven air quantity: 1000m3/ 3H~3000m3/3H。
4. the manufacturing method of conductive film according to claim 3, which is characterized in that (3) the process further comprises:
(3.1) the polymer protection layer choosing polysiloxanes based polymer, acrylic acid series polymeric compounds and amido formate system are poly-
One or more of object is closed, structure is one or more layers.
5. the manufacturing method of conductive film according to claim 1, which is characterized in that (5) the process further comprises:
(5.1) one or more layers hardened layer is coated in the protective layer.
6. the manufacturing method of conductive film according to claim 1, which is characterized in that (5) the process further comprises:
(5.2) it is coated with two layers of hardened layer in the protective layer, first layer hardens 0.1~5um of coating thickness, second layer hardening
0.5~10um of coating thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936417.7A CN109166668B (en) | 2018-08-16 | 2018-08-16 | Method for manufacturing conductive film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936417.7A CN109166668B (en) | 2018-08-16 | 2018-08-16 | Method for manufacturing conductive film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109166668A true CN109166668A (en) | 2019-01-08 |
| CN109166668B CN109166668B (en) | 2021-02-09 |
Family
ID=64896127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810936417.7A Active CN109166668B (en) | 2018-08-16 | 2018-08-16 | Method for manufacturing conductive film |
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Citations (8)
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| CN104008819A (en) * | 2014-05-27 | 2014-08-27 | 东莞市鑫聚光电科技有限公司 | Production method of nanometer silver wire transparent conducting film |
| CN104064282A (en) * | 2014-04-30 | 2014-09-24 | 天津宝兴威科技有限公司 | Production method for high-transmittance transparent rigid nanocrystalline metal conductive films |
| CN205942637U (en) * | 2016-06-14 | 2017-02-08 | 天津宝兴威科技有限公司 | Flexible electron touch -sensitive screen of combined type |
| US20170113443A1 (en) * | 2015-10-27 | 2017-04-27 | Samsung Electronics Co., Ltd. | Conductive films and electronic devices including the same |
| CN106847411A (en) * | 2015-12-07 | 2017-06-13 | 宁波惠之星新材料科技有限公司 | A kind of coating system, a kind of nano-silver thread conductive film and preparation method thereof |
| CN107984776A (en) * | 2017-11-30 | 2018-05-04 | 清华大学深圳研究生院 | A kind of functional film and preparation method thereof |
| CN108250469A (en) * | 2016-12-29 | 2018-07-06 | 乐凯华光印刷科技有限公司 | A kind of production technology of nano-silver thread transparent conductive film |
| CN108292056A (en) * | 2015-11-12 | 2018-07-17 | 富士胶片株式会社 | Liquid crystal cells and three-dimensional structure liquid crystal cells |
-
2018
- 2018-08-16 CN CN201810936417.7A patent/CN109166668B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064282A (en) * | 2014-04-30 | 2014-09-24 | 天津宝兴威科技有限公司 | Production method for high-transmittance transparent rigid nanocrystalline metal conductive films |
| CN104008819A (en) * | 2014-05-27 | 2014-08-27 | 东莞市鑫聚光电科技有限公司 | Production method of nanometer silver wire transparent conducting film |
| US20170113443A1 (en) * | 2015-10-27 | 2017-04-27 | Samsung Electronics Co., Ltd. | Conductive films and electronic devices including the same |
| CN108292056A (en) * | 2015-11-12 | 2018-07-17 | 富士胶片株式会社 | Liquid crystal cells and three-dimensional structure liquid crystal cells |
| CN106847411A (en) * | 2015-12-07 | 2017-06-13 | 宁波惠之星新材料科技有限公司 | A kind of coating system, a kind of nano-silver thread conductive film and preparation method thereof |
| CN205942637U (en) * | 2016-06-14 | 2017-02-08 | 天津宝兴威科技有限公司 | Flexible electron touch -sensitive screen of combined type |
| CN108250469A (en) * | 2016-12-29 | 2018-07-06 | 乐凯华光印刷科技有限公司 | A kind of production technology of nano-silver thread transparent conductive film |
| CN107984776A (en) * | 2017-11-30 | 2018-05-04 | 清华大学深圳研究生院 | A kind of functional film and preparation method thereof |
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| CN109166668B (en) | 2021-02-09 |
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Address after: 518000 5th floor, building 3, No.5 Tianyuan Road, shutianpu community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen liheyunji New Material Co.,Ltd. Address before: 518000 5th floor, building 3, No.5 Tianyuan Road, shutianpu community, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN RECLOUD TECHNOLOGY Co.,Ltd. |