CN207947080U - A kind of high nano-silver thread conductive film - Google Patents
A kind of high nano-silver thread conductive film Download PDFInfo
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- CN207947080U CN207947080U CN201820246863.0U CN201820246863U CN207947080U CN 207947080 U CN207947080 U CN 207947080U CN 201820246863 U CN201820246863 U CN 201820246863U CN 207947080 U CN207947080 U CN 207947080U
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- thread conductive
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- electroconductive polymer
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Abstract
The utility model discloses a kind of high nano-silver thread conductive films, including sequentially connected transparent film substrate, nano-silver thread conductive coating and flexible light oil reservoir, further include at least one layer of electroconductive polymer layer, electroconductive polymer layer be folded between transparent film substrate and nano-silver thread conductive coating and/or nano-silver thread conductive coating and flexible light oil reservoir between.Nano-silver thread conductive film is provided with electroconductive polymer layer to the height thoroughly, electroconductive polymer layer can connect down the nano-silver thread for sinking to nano-silver thread conductive coating bottom and/or highlighting at the top of nano-silver thread conductive coating, nano-silver thread is set mutually to overlap and electrically conduct, to reduce surface resistivity；Light oil reservoir can improve film surface hardness so that film large touch field in flexibility has significant advantage.
Description
Technical field
The utility model is related to conductive film technical fields, and in particular to a kind of high nano-silver thread conductive film.
Background technology
Conductive film be it is a kind of can a kind of conductive film with high transparency rate in visible-range again, be mainly used for
Photoelectric device（Such as LED, thin-film solar cells etc.）Window material.It is divided into metal membrane system, oxygen according to the material of conducting medium
Compound membrane system, other compound membrane systems, macromolecule membrane system, compound film system etc..Metal membrane system conducts electricity very well, but transparent rate
Difference.Common transparent conductive film is ITO（Three indium oxide of tin dope）, AZO (aluminium-doped zinc oxide) etc..
With deepening continuously for conductive material research and development, improved technical solution macromolecule as described in 203960115 U of CN is led
Conductive film, including conductive film layer, adhesive layer, protective layer, wherein outermost layer are protective layer, and centre is adhesive layer, and most the inside is to lead
Electrolemma layer, conductive film layer are bonded by adhesive layer with protective layer, and protective layer is release paper；Or as described in CN3631146U,
Nano-ITO film layer is arranged in transparent film substrate, film is made to obtain excellent mechanical strength.But said program is scarce
Be trapped in：The uniformity and flatness of nano-silver thread can not be controlled well.Medium in further improved conductive film layer is adopted
With nano-silver thread, difference lies in surface declines nano-silver thread coating fluid in the curing process, the nanometer of top layer with ITO powders
Silver wire then highlights on the surface of nano-silver thread conductive coating, and common protective layer is unfavorable for reducing the sheet resistance of conductive film
Rate.
Therefore, it is necessary to be improved to the structure of transparent conductive film in the prior art.
Utility model content
The purpose of the utility model is to overcome defects existing in the prior art, and it is low, thin to provide a kind of surface resistivity
Film surface high nano-silver thread conductive film thoroughly with high hardness.
For the above-mentioned technique effect of realization, the technical solution of the utility model is：A kind of high nano-silver thread conductive film, packet
Include sequentially connected transparent film substrate, nano-silver thread conductive coating and flexible light oil reservoir, which is characterized in that further include at least one
Layer electroconductive polymer layer, electroconductive polymer layer is folded between transparent film substrate and nano-silver thread conductive coating and/or nanometer
Between silver wire conductive coating and flexible light oil reservoir.
Preferred technical solution is that electroconductive polymer layer is netted.Netted electroconductive polymer layer is obtained by printing.
Mechanical strength in order to ensure film each section is consistent, and preferred technical solution is netted electroconductive polymer layer
For diamond-plaid is netted, rectangular grid is netted and honeycomb it is netted in one kind.Further, electroconductive polymer layer is that honeycomb is netted.
Preferred technical solution is that the thickness of electroconductive polymer layer is 8~25nm.The effect of electroconductive polymer layer is to lead
The logical nano-silver thread highlighted on the surface of nano-silver thread conductive coating, to reduce surface resistivity.
Preferred technical solution is that the thickness of nano-silver thread conductive coating is 100~1000nm.Nano-silver thread is uniformly stirred
It mixes in the glue that solid content is 10~50%, can add suitable solvent that required nano-silver thread coating fluid is made, according to Slot-
The different process such as die, Micro-gravure adjust；
Preferred technical solution is that electroconductive polymer layer is one in polythiophene, polyaniline, polypyrrole or polyphenylacetylene
Kind.
In order to be in nano-silver thread conductive coating or conducting polymer layer surface formation protective layer, preferred technical solution,
The thickness of flexible light oil reservoir is 200~1000nm.Further, flexible light oil reservoir uses UV gloss oil, can significantly improve conductive layer
Case hardness.
Preferred technical solution is that transparent film substrate is high saturating PET film, and the thickness of high PET film thoroughly is 80~130 μm.
The advantages of the utility model and advantageous effect are：
Nano-silver thread conductive film is provided with electroconductive polymer layer to the height thoroughly, and electroconductive polymer layer can be connected down to sink to and be received
Rice silver wire conductive coating bottom and/or nano-silver thread at the top of nano-silver thread conductive coating is highlighted, makes nano-silver thread phase interconnection
It connects and electrically conducts, to reduce surface resistivity；
Light oil reservoir can improve film surface hardness so that film large touch field in flexibility has significant excellent
Gesture.
Description of the drawings
Fig. 1 is the main structure diagram of the high nano-silver thread conductive film embodiment 1 thoroughly of the utility model；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is another structural schematic diagram of embodiment 2.
In figure：1, transparent film substrate；2, nano-silver thread conductive coating；3, flexible light oil reservoir；4, electroconductive polymer layer.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
Embodiment 1
As shown in Figure 1, the saturating nano-silver thread conductive film of the height of embodiment 1, including sequentially connected transparent film substrate 1,
Nano-silver thread conductive coating 2 and flexible light oil reservoir 3, further include at least one layer of electroconductive polymer layer 4,4 sandwiched of electroconductive polymer layer
Between nano-silver thread conductive coating 2 and flexible light oil reservoir 3.
The electroconductive polymer layer 4 of embodiment 1 is continuous thin layer.
Embodiment 2
As Figure 2-3, embodiment 2 is based on embodiment 1, and difference lies in electroconductive polymer layer 4 is folded in transparent membrane base
Between material 1 and nano-silver thread conductive coating 2.Electroconductive polymer layer 4 is that honeycomb is netted.
As equivalent substitution, electroconductive polymer layer 4 can also be that diamond-plaid is netted, rectangular grid is netted.
Further, the thickness of the electroconductive polymer layer of embodiment is 8~25nm；The thickness of nano-silver thread conductive coating is
100~1000nm；Electroconductive polymer layer is one kind in polythiophene, polyaniline, polypyrrole or polyphenylacetylene；Flexible light oil reservoir
Thickness is 200~1000nm；Transparent film substrate is high saturating PET film, and the thickness of high PET film thoroughly is 80~130 μm.
Production process is as follows：
S1：Machine on high PET film thoroughly；
S2：By nano-silver thread uniform stirring in the glue that solid content is 10~50%, suitable solvent can be added to be made
Required nano-silver thread coating fluid, according to Slot-die, the adjustment of the different process such as Micro-gravure；The viscosity of wherein glue is
2-50cps contains 0.5~4g nano-silver threads in 1Kg nano-silver threads coating fluid obtained；By coating machine transparent base table
Face even spread nano-silver thread coating fluid controls the wet about 10-20 μm thick of film；Base material by the drying box of coating machine,
2-3min is toasted in drying box at 100-120 DEG C, forming one after the solidification of nano-silver thread coating fluid securely covers in transparent base
The nano-silver thread conductive coating on surface, nano-silver thread are uniformly distributed in nano-silver thread conductive coating, each nano-silver thread phase interconnection
It connects and electrically conducts, surface declines nano-silver thread coating fluid in the curing process, and the nano-silver thread of top layer is then highlighted in nano silver
The surface of line conductive coating depends on high saturating, high viscous adhesive, is firmly attached to pet sheet face；
S3：Surface even spread nano-silver thread by coating machine in the transparent base for being coated with nano-silver thread protects gloss oil；
For base material by the drying box of coating machine, coating is wet 5~10 μm thick, drying and drying is completed in drying box, and carry out UV solidifications
After form a protective layer, improve the adhesive force of nano-silver thread conductive coating, improve conductive layer surface hardness；Finished product is wound, is made
Light transmittance is that 85~92%, mist degree is less than or equal to 1%, and surface resistivity is the nano-silver thread electrically conducting transparent of 10~300ohm/sq
Film.
S’：By accurate applying conductive macromolecule layer, coating is wet 1~8 μm thick, is toasted at 100-120 DEG C in drying box
1-2min or Line intersection coating, obtain netted electroconductive polymer layer.S ' is between S2 and S3 in embodiment 1, embodiment
S ' is between S1 and S2 in 2.
Electroconductive polymer layer is coated on nano-silver thread conductive coating both sides, gained film has both embodiment 1 and embodiment 2
The advantages of, but Film Haze slightly increases.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (8)
1. a kind of high nano-silver thread conductive film, including sequentially connected transparent film substrate, nano-silver thread conductive coating and
Flexible light oil reservoir, which is characterized in that further include at least one layer of electroconductive polymer layer, electroconductive polymer layer is folded in transparent membrane base
Between material and nano-silver thread conductive coating and/or between nano-silver thread conductive coating and flexible light oil reservoir.
2. high nano-silver thread conductive film thoroughly according to claim 1, which is characterized in that electroconductive polymer layer is netted.
3. high nano-silver thread conductive film thoroughly according to claim 2, which is characterized in that netted electroconductive polymer layer is
Diamond-plaid is netted, rectangular grid is netted and honeycomb it is netted in one kind.
4. high nano-silver thread conductive film thoroughly according to claim 1, which is characterized in that the thickness of electroconductive polymer layer
For 8~25nm.
5. high nano-silver thread conductive film thoroughly according to claim 1, which is characterized in that the thickness of nano-silver thread conductive coating
Degree is 100~1000nm.
6. high nano-silver thread conductive film thoroughly according to claim 1, which is characterized in that electroconductive polymer layer is poly- thiophene
One kind in pheno, polyaniline, polypyrrole or polyphenylacetylene.
7. high nano-silver thread conductive film thoroughly according to claim 1, which is characterized in that the thickness of flexible light oil reservoir is
200~1000nm.
8. high nano-silver thread conductive film thoroughly according to claim 1, which is characterized in that transparent film substrate is high saturating
The thickness of PET film, high PET film thoroughly is 80~130 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246863.0U CN207947080U (en) | 2018-02-11 | 2018-02-11 | A kind of high nano-silver thread conductive film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246863.0U CN207947080U (en) | 2018-02-11 | 2018-02-11 | A kind of high nano-silver thread conductive film |
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| CN207947080U true CN207947080U (en) | 2018-10-09 |
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ID=63699733
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112349449A (en) * | 2020-10-30 | 2021-02-09 | 中国建筑材料科学研究总院有限公司 | Transparent conductive coating and preparation method and application thereof |
| CN114694877A (en) * | 2020-12-28 | 2022-07-01 | 乐凯华光印刷科技有限公司 | Nano-silver wire composite transparent conductive film |
-
2018
- 2018-02-11 CN CN201820246863.0U patent/CN207947080U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112349449A (en) * | 2020-10-30 | 2021-02-09 | 中国建筑材料科学研究总院有限公司 | Transparent conductive coating and preparation method and application thereof |
| CN112349449B (en) * | 2020-10-30 | 2022-04-08 | 中国建筑材料科学研究总院有限公司 | Transparent conductive coating and preparation method and application thereof |
| CN114694877A (en) * | 2020-12-28 | 2022-07-01 | 乐凯华光印刷科技有限公司 | Nano-silver wire composite transparent conductive film |
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