CN105786242A - Flexible touch panel sensing film and preparation method thereof - Google Patents

Flexible touch panel sensing film and preparation method thereof Download PDF

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Publication number
CN105786242A
CN105786242A CN201610072515.1A CN201610072515A CN105786242A CN 105786242 A CN105786242 A CN 105786242A CN 201610072515 A CN201610072515 A CN 201610072515A CN 105786242 A CN105786242 A CN 105786242A
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China
Prior art keywords
flexible
nano
wire
base material
touch screen
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Inventor
陈霞
袁伟
伍淼
黄�良
陈建忠
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Guangzhou Juda Photon Co Ltd
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Guangzhou Juda Photon Co Ltd
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Priority to CN201610072515.1A priority Critical patent/CN105786242A/en
Publication of CN105786242A publication Critical patent/CN105786242A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Abstract

The invention provides a preparation method of a flexible touch panel sensing film. The method comprises the following steps: 1) coating a nano-structure conductive material dispersion solution on an inorganic rigid base material with a flat surface, removing a solvent in the dispersion solution through thermal treatment, thereby forming a silver nano-wire conductive network on the inorganic rigid base material; 2) printing silver paste on the surface of the conductive network made of nano-structure conductive material, and removing the solvent in the silver paste to form a silver paste wire; 3) simultaneously etching the conductive network made of the nano-structure conductive material and the silver paste wire so as to form a touch image-text; 4) coating a curing layer solution on the surface of the touch image-text, and adhering a flexible optical base material on the curing layer solution; 5) peeling the flexible film part from the inorganic rigid base material; the conductive network made of nano-structure conductive material, the silver paste wire and the flexible base material commonly forming the flexible film part, thereby acquiring the flexible touch sensing film. Through the adoption of the above technical scheme, the binding force between the silver paste and the rigid base plate is weakened, so that the silver paste can be successfully transferred after coating the curing layer solution. The silver nano-wire and the silver paste are commonly etched so that the alignment step is simplified.

Description

A kind of flexible touch screen sense film and preparation method thereof
Technical field
The invention belongs to touch screen technical field, particularly to a kind of flexible touch screen sense film and preparation method thereof.
Background technology
The products such as the wearable device in future, intelligent window, Smart Home, the demand of touch panel is developed towards large scale, low priceization, flexible direction, but tradition ito thin film is more crisp, should not be used in flexible application, the essential problem such as electric conductivity and light transmittance on flexible parent metal is not easy to overcome.
Nano silver wire conductive film increasingly causes the concern of people because of its flexibility, low cost, low resistance, advantage that light transmittance is high.Nano silver wire formula is mainly directly coated on flexible parent metal by the mode preparing nano silver wire electrically conducting transparent touch screen in the market, silk-screen silver slurry, etching nano silver wire and silver slurry picture and text again, this process efficiency is significantly high, but there is also some problems: the nano silver wire coating flexible parent metal can not carry out high-temperature heat treatment, affects its conductivity;Need to be coated with the poly-protective layer of lighting and improve the adhesion of nano silver wire and base material, so can increase nano silver wire, silver slurry resistance;Nano silver wire comparison surface is coarse, affects its application in fields such as thin-film solar cells, flexible OELD.Publication number is that the Chinese patent application of CN104991671A discloses a kind of flexible touch screen sense film and preparation method thereof and comprises the steps: to coat on inorganic rigid base material by the dispersion liquid of nano structural conductive material, forms nano material conductive network;The conductive network of nano structural conductive material is performed etching;The conductive network of nano structural conductive material is coated with photocurable layers solution;And on photocurable layers solution, attach flexible optical base material;Photocurable layers solution is carried out photocuring so that it is form photocurable layers;The conductive network of flexible conductive film prints conductive silver paste, dries and form silver slurry wire, make flexible touch screen sense film.This method first carries out the etching of nano material, republishes silver slurry after transfer, there is the unwarrantable problem of aligning accuracy in silver slurry printing, and silver slurry picture and text are also required to etching in some cases, and so whole flow process is accomplished by two step etching processes, and flow process is relatively complicated.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that the preparation method of a kind of flexible touch screen sense film, can improve production effect, end product quality is better.
In order to achieve the above object, the present invention is by the following technical solutions:
The preparation method of a kind of flexible touch screen sense film, comprises the steps:
1) nano structural conductive material dispersion liquid is coated on the inorganic rigid base material of surfacing, after removing the solvent in dispersion liquid, inorganic rigid base material forms the conductive network of nanostructured;
2) starch and remove the solvent in silver slurry at the surface printing silver of the conductive network of nano structural conductive material dispersion liquid and form silver slurry wire;
3) perform etching to form touch-control picture and text to the conductive network of nano structural conductive material dispersion liquid and silver slurry wire simultaneously;
4) it is coated with cured layer solution on the surface of touch-control picture and text, cured layer solution is solidify to form flexible parent metal;
Or, after the surface of touch-control picture and text is coated with cured layer solution, solidifying after cured layer solution attaches flexible optical base material, cured layer forms flexible parent metal with flexible optical base material;
5) fexible film part and described inorganic rigid base material are peeled off;The conductive network of nano structural conductive material, silver slurry wire, flexible parent metal collectively form fexible film part;Thus obtaining flexible touch screen sense film.
As preferably, described nano structural conductive material is nano silver wire, copper nano-wire, CNT, Graphene.
As preferably, described cured layer solution is photocurable layers solution;
Described photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.2%-5%, modified urethane acrylate 25%-35% and surplus and dipentaerythritol polyfunctional acrylic ester;Or, described photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.2%-5%, modified urethane acrylate 25%-35%, inorganic nano-filler 1%-10%, coupling agent 0.5%-2% and surplus and dipentaerythritol polyfunctional acrylic ester;
Or described cured layer solution is heat-cured layer solution, described heat-cured layer solution is made up of each component of following mass percent: the multi-functional acrylate of thermal initiator 1%-5%, modified urethane acrylate 25%-45%, coupling agent 0.5%-2% and surplus.
As preferably, the quality proportioning of described multi-functional acrylate containing triazine ring and dipentaerythritol polyfunctional acrylic ester is 1:8-8:1.
As preferably, described flexible optical base material is PET, PC, PI or PEN;Described flexible optical base material is the optical-grade transparent base material of light transmittance >=90%.
As preferably, described inorganic rigid base material is glass or silicon chip.
As preferably, step 1) in, remove the solvent in dispersion liquid by heat treatment, heat treated temperature is 60-160 DEG C.
As preferably, silver paste is composed of the following components: silver powder particles diameter 0.5-2um, and its solid content is 60%-90%;Solvent, dispersant, levelling agent, the antioxidant of metal particle, stabilizer.
As preferably, the thickness of described fexible film part is 5~400um.
A kind of flexible touch screen sense film adopting described preparation method to prepare, it is characterised in that the visible light transmissivity of described flexible touch screen sense film is 80%~95%, and square resistance is 5-100 Ω/..
Compared with prior art, the method have the advantages that
By technique scheme, nano silver wire and the common etching of silver slurry, simplify the step of para-position.Nano silver wire and the common transfer of silver slurry; province deluster poly-protective layer coating and curing process; optimize production procedure; ensure that the good contact of silver slurry and nano silver wire; solve traditional approach silver slurry and nano silver wire can not the problem of effectively conducting aspect, guarantee the adhesion of nano silver wire and silver slurry and flexible parent metal simultaneously.After transfer, nano silver wire and the contact resistance between silver slurry are constant.Based on the planarization of inorganic rigid base material, the sense film prepared by transfer has controlled surface smoothness.Thickness according to cured layer can control the thickness of sense film in the scope of 5-400um, and when single curing materials is as flexible parent metal, sense film thickness is up to below 10um, it is possible to as ultra-thin application.
Accompanying drawing explanation
Fig. 1 is flexible touch screen sense film of the present invention and preparation method thereof.
Fig. 2 is the shape appearance figure of nano silver wire conductive network.
The conductive grid that Fig. 3 is part nano silver wire starches, with silver, the shape appearance figure that wire is formed after laser incising eating away.
Detailed description of the invention
Consult Fig. 1, in conjunction with accompanying drawing, technical scheme be described further:
Embodiment 1
A kind of flexible touch screen sense film, it is prepared in accordance with the following steps:
1. nano structural conductive material dispersion liquid is coated on smooth inorganic rigid base material;Namely in the present embodiment, nano structural conductive material is nano silver wire, may be used without copper nano-wire, CNT, Graphene etc. in other embodiments, and inorganic rigid material is such as (a) such as glass, silicon chips, and in the present embodiment, concrete employing is glass;Wherein the nano silver wire weight/mass percentage composition in this nano silver wire dispersion liquid is 0.1%, its solvent is the mixture (the two mass ratio is 8:1) of isopropanol, water, has additionally been also added with dispersant (weight/mass percentage composition is 0.3%), surfactant (weight/mass percentage composition is 0.1%).
2. the solvent in nano silver wire dispersion liquid is removed at temperature 60 C heat treatment (drying), form nano silver wire conductive network (b), promoting that the further of the contact point between nano silver wire is merged, the sheet resistance of its nano silver wire is at 10 Ω/about.The thickness of conductive network is 80nm;The shape appearance figure such as Fig. 2 of the nano silver wire conductive network formed.Except heat treatment mode, the solvent removed in nano structural conductive material dispersion liquid can also be removed otherwise.
3. starch at the surface printing silver of the conductive network of nano silver wire that (silver powder particles diameter 0.5um, its solid content is 90%;Other compositions are solvent, dispersant, levelling agent, the antioxidant of metal particle, stabilizer etc.), dry at 120 DEG C and form silver slurry wire;The thickness of silver slurry wire is 4um.(c)
4. nano silver wire conductive network and silver slurry wire are carried out laser ablation to form touch-control picture and text (d) simultaneously;The conductive grid of nano silver wire and silver slurry wire formed touch-control picture and text time part nano silver wire conductive grid and silver slurry wire by laser incising eating away after formed shape appearance figure such as Fig. 3.
5. cured layer coating (e): coating cured layer solution on the nano silver wire conductive network being carved with touch-control picture and text and silver slurry wire, in the picture and text that curing solution can penetrate into and fill the conductive network of nano silver wire and the silver slurry space of wire and laser ablation goes out;When this cured layer solution is photocurable layers solution, each component that photocurable layers solution is following mass percent is constituted: the multi-functional acrylate containing triazine ring of light trigger 0.2%, modified urethane acrylate 25% and surplus and dipentaerythritol polyfunctional acrylic ester;Multi-functional acrylate and the quality proportioning of dipentaerythritol polyfunctional acrylic ester containing triazine ring are 1:8;The mass percent sum of each component is 100%.Or, photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.2%, modified urethane acrylate 25%, inorganic nano-filler 1%, coupling agent 0.5% and surplus and dipentaerythritol polyfunctional acrylic ester;Multi-functional acrylate and the quality proportioning of dipentaerythritol polyfunctional acrylic ester containing triazine ring are 1:8;The mass percent sum of each component is 100%.
When cured layer solution is heat cure solution, each component that heat-cured layer solution is following mass percent is constituted: the multi-functional acrylate of thermal initiator 1%, modified urethane acrylate 25%, coupling agent 0.5% and surplus.The thickness controlling cured layer is 9um.
6. directly enter to solidify (photocurable layers solution adopts UV to solidify, heat cure solution adopts heat cure) to cured layer, form flexible parent metal.Nano silver wire conductive network, silver slurry wire, flexible parent metal collectively form fexible film part, and its thickness of fexible film part of formation is 9um.
7. fexible film part is separated (f) with glass, namely form flexible touch screen sense film, in order to make sense film more durable, protecting film (g) can be sticked in the exposure of conductive network.
Through the flexible touch screen sense film that above-mentioned steps prepares, overall film thickness is only 9um, and after transfer, square resistance is still 10 Ω/, it is seen that light district transmitance is 80%, and the hardness of its cured layer is at least 2H, and the resistance between silver wire and silver slurry is also constant.
Embodiment 2
A kind of flexible touch screen sense film, it is prepared in accordance with the following steps:
1. nano structural conductive material dispersion liquid is coated on smooth inorganic rigid base material;Namely in the present embodiment, nano structural conductive material is nano silver wire, may be used without copper nano-wire, CNT, Graphene etc. in other embodiments, and inorganic rigid material is such as (a) such as glass, silicon chips, and in the present embodiment, concrete employing is glass;Wherein the nano silver wire weight/mass percentage composition in this nano silver wire dispersion liquid is 0.2%, its solvent is the mixture (the two mass ratio is 7:1:1) of isopropanol, methanol, water, has additionally been also added with dispersant (weight/mass percentage composition is 0.3%), surfactant (weight/mass percentage composition is 0.1%).
2. 100 DEG C of heat treatments (drying) of temperature remove the solvent in nano silver wire dispersion liquid, form nano silver wire conductive network (b), promoting that the further of the contact point between nano silver wire is merged, the sheet resistance of its nano silver wire is at 50 Ω/about;The thickness of conductive network is 50nm;The shape appearance figure such as Fig. 2 of the nano silver wire conductive network formed;The shape appearance figure (such as Fig. 2) of the nano silver wire conductive network formed.Except heat treatment mode, the solvent removed in nano structural conductive material dispersion liquid can also be removed otherwise.
3. starch at the surface printing silver of the conductive network of nano silver wire that (silver powder particles diameter 1um, its solid content is 70%;Other compositions are solvent, dispersant, levelling agent, the antioxidant of metal particle, stabilizer etc.), dry at 135 DEG C and form silver slurry wire;The thickness of silver slurry wire is 7um.(c)
4. nano silver wire conductive network and silver slurry wire are carried out laser ablation to form touch-control picture and text (d) simultaneously;The conductive grid of nano silver wire and silver slurry wire formed touch-control picture and text time part nano silver wire conductive grid and silver slurry wire by laser incising eating away after formed shape appearance figure such as Fig. 3.
5. flexible cured layer coating (e): coating cured layer solution on the nano silver wire conductive network being carved with touch-control picture and text and silver slurry wire, in the picture and text that curing solution can penetrate into and fill the conductive network of nano silver wire and the space of silver slurry wire and laser ablation goes out;When this cured layer solution is photocuring solution, each component that photocuring solution is following mass percent is constituted: the multi-functional acrylate containing triazine ring of light trigger 0.35%, modified urethane acrylate 30% and surplus and dipentaerythritol polyfunctional acrylic ester;Multi-functional acrylate and the quality proportioning of dipentaerythritol polyfunctional acrylic ester containing triazine ring are 4:1;The mass percent sum of each component is 100%.Or, photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.35%, modified urethane acrylate 30%, inorganic nano-filler 5%, coupling agent 1.2% and surplus and dipentaerythritol polyfunctional acrylic ester;Multi-functional acrylate and the quality proportioning of dipentaerythritol polyfunctional acrylic ester containing triazine ring are 4:1;The mass percent sum of each component is 100%.
When cured layer solution is heat cure solution, each component that heat-cured layer solution is following mass percent is constituted: the multi-functional acrylate of thermal initiator 2.55%, modified urethane acrylate 30%, coupling agent 2.5% and surplus.The thickness controlling cured layer is 100um.
6. attaching flexible optical base material on cured layer solution, then cured layer solidifies (photocurable layers solution adopts UV fixed line, heat cure solution to adopt heat cure), cured layer forms flexible parent metal with flexible optical base material;Nano silver wire conductive network, silver slurry wire, flexible parent metal collectively form fexible film part, and its thickness of fexible film part of formation is 200um;This flexible optical base material is specially the optical-grade transparent base material of light transmittance >=90%, and the thickness of flexible optical base material is 100um, is specifically selected from PET, PC, PEN, and that adopt in the present embodiment is PET.
7. fexible film part is separated (f) with glass, namely form flexible touch screen sense film, in order to make sense film more durable, protecting film (g) can be sticked in the exposure of conductive network.
Through the flexible touch screen sense film that above-mentioned steps prepares, overall film thickness is 200um, and square resistance is still 50 Ω/, it is seen that light district transmitance is 89%, and the hardness of its cured layer is at least 2H, and the resistance between silver wire and silver slurry is also constant.
Embodiment 3
A kind of flexible touch screen sense film, it is prepared in accordance with the following steps:
1. nano structural conductive material dispersion liquid is coated on smooth inorganic rigid base material;Namely in the present embodiment, nano structural conductive material is nano silver wire, may be used without copper nano-wire, CNT, Graphene etc. in other embodiments, and inorganic rigid material is such as (a) such as glass, silicon chips, and in the present embodiment, concrete employing is glass;Wherein the nano silver wire weight/mass percentage composition in this nano silver wire dispersion liquid is 0.3%, its solvent is the mixture (the two mass ratio is 7:1:1) of isopropanol, ethanol, water, has additionally been also added with dispersant (weight/mass percentage composition is 0.3%), surfactant (weight/mass percentage composition is 0.1%).
2. the solvent in nano silver wire dispersion liquid is removed 160 DEG C of heat treatments (drying) of temperature, form nano silver wire conductive network (b), promoting that the further of the contact point between nano silver wire is merged, the sheet resistance of its nano silver wire is at 100 Ω/about;The thickness of conductive network is 20nm;The shape appearance figure such as Fig. 2 of the nano silver wire conductive network formed.Except heat treatment mode, the solvent removed in nano structural conductive material dispersion liquid can also be removed otherwise.
3. starch at the surface printing silver of the conductive network of nano silver wire that (silver powder particles diameter 2um, its solid content is 60%;Other compositions are solvent, dispersant, levelling agent, the antioxidant of metal particle, stabilizer etc.), dry at 150 DEG C and form silver slurry wire;The thickness of silver slurry wire is 10um.(c)
4. nano silver wire conductive network and silver slurry wire are carried out laser ablation to form touch-control picture and text (d) simultaneously;The conductive grid of nano silver wire and silver slurry wire formed touch-control picture and text time part nano silver wire conductive grid and silver slurry wire by laser incising eating away after formed shape appearance figure such as Fig. 3.
Flexible cured layer coating (e): coating cured layer solution on the nano silver wire conductive network being carved with touch-control picture and text and silver slurry wire, in the picture and text that curing solution can penetrate into and fill the conductive network of nano silver wire and the space of silver slurry wire and laser ablation goes out;When this cured layer solution is photocurable layers solution, each component of the following mass percent of photocurable layers solution is constituted: the multi-functional acrylate containing triazine ring of light trigger 0.5%, modified urethane acrylate 35% and surplus and dipentaerythritol polyfunctional acrylic ester;Multi-functional acrylate and the quality proportioning of dipentaerythritol polyfunctional acrylic ester containing triazine ring are 8:1;The mass percent sum of each component is 100%.Or, photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.5%, modified urethane acrylate 35%, inorganic nano-filler 10%, coupling agent 2% and surplus and dipentaerythritol polyfunctional acrylic ester;Multi-functional acrylate and the quality proportioning of dipentaerythritol polyfunctional acrylic ester containing triazine ring are 8:1;The mass percent sum of each component is 100%.
When cured layer solution is heat cure solution, each component that heat-cured layer solution is following mass percent is constituted: the multi-functional acrylate of thermal initiator 5%, modified urethane acrylate 45%, coupling agent 2% and surplus.
6. form fexible film part, particularly may be divided into two ways:
First kind of way: the thickness controlling cured layer is 275um, directly enters to solidify to cured layer, forms flexible parent metal.Nano silver wire conductive network, silver slurry wire, flexible parent metal collectively form fexible film part, and its thickness of fexible film part of formation is 275um.
The second way: attach flexible optical base material on cured layer solution, the thickness controlling cured layer is 200um, then cured layer solidifies (photocurable layers solution adopts UV to solidify, heat cure solution adopts heat cure), and cured layer forms flexible parent metal with flexible optical base material;Nano silver wire conductive network, silver slurry wire, flexible parent metal collectively form fexible film part, and its thickness of fexible film part of formation is 400um;This flexible optical base material is specially the optical-grade transparent base material of light transmittance >=90%, and the thickness of flexible optical base material is 200um, is specifically selected from PET, PC, PEN, and that adopt in the present embodiment is PC.
7. fexible film part is separated (f) with glass, namely form flexible touch screen sense film;And in order to make sense film more durable, protecting film (g) can be sticked in the exposure of conductive network.
Through the flexible touch screen sense film that above-mentioned steps prepares, square resistance is 100 Ω/, it is seen that light district transmitance is 90%, and the hardness of its cured layer is at least 4H.Resistance between silver wire and silver slurry is also constant.
The preparation method of flexible touch screen sense film of the present invention, by nano silver wire silver slurry is performed etching simultaneously, simplifies the step of para-position, and twice etching is reduced to once, improve preparation speed.By inorganic rigid base material, nano silver wire and silver slurry wire are transferred on flexible parent metal simultaneously and form flexible touch screen sense film, can guarantee that the contact resistance between nano silver wire and silver slurry is constant and improve preparation speed.
The flexible touch screen sense film that present invention preparation draws, due to the existence of nano silver wire, has slackened the adhesion between silver-colored slurry and rigid substrates, thus after coating cured layer solution, silver slurry can successfully transfer.
Nano silver wire is attached smooth substrate surface paving, and surface roughness is less than 5nm.The touch-control picture and text circuit of etching can keep good linear, and the picture and text of etching are accurate.Silver slurry wire and the drying of nano silver wire all carry out on inorganic rigid base material, it is to avoid being directly coated with baking on thin film causes deformation of thin membrane.Nano silver wire conductive network and silver slurry wire are embedded in cured layer, and its nano silver wire silver slurry wire can be exposed to cured layer surface, it is provided that good electrical surface contact, and under cured layer effect, nano silver wire and silver slurry wire have very strong adhesion.The cured layer formed has good flexibility, and case hardness is high, and hardness is more than 2H.Sense film thickness is up to below 10um, it is possible to make ultra-thin sensor.The product of preparation has the performances such as wear-resisting, mar-proof, solvent resistant, it is seen that light transmission rate is 80~95%, and square resistance is 5-100 Ω/.
The invention is not limited in above-mentioned embodiment, if to the various changes of the present invention or modification without departing from the spirit and scope of the present invention, if these change within claim and the equivalent technologies scope belonging to the present invention with modification, then the present invention is also intended to comprise these changes and variation.

Claims (10)

1. the preparation method of a flexible touch screen sense film, it is characterised in that comprise the steps:
1) nano structural conductive material dispersion liquid is coated on the inorganic rigid base material of surfacing, after removing the solvent in dispersion liquid, inorganic rigid base material forms the conductive network of nanostructured;
2) starch and remove the solvent in silver slurry at the surface printing silver of the conductive network of nano structural conductive material dispersion liquid and form silver slurry wire;
3) perform etching to form touch-control picture and text to the conductive network of nano structural conductive material dispersion liquid and silver slurry wire simultaneously;
4) it is coated with cured layer solution on the surface of touch-control picture and text, cured layer solution is solidify to form flexible parent metal;
Or, after the surface of touch-control picture and text is coated with cured layer solution, solidifying after cured layer solution attaches flexible optical base material, cured layer forms flexible parent metal with flexible optical base material;
5) fexible film part and described inorganic rigid base material are peeled off;The conductive network of nano structural conductive material, silver slurry wire, flexible parent metal collectively form fexible film part;Thus obtaining flexible touch screen sense film.
2. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that described nano structural conductive material is nano silver wire, copper nano-wire, CNT, Graphene.
3. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that
Described cured layer solution is photocurable layers solution;
Described photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.2%5%, modified urethane acrylate 25%-35% and surplus and dipentaerythritol polyfunctional acrylic ester;Or, described photocurable layers solution is made up of each component of following mass percent: the multi-functional acrylate containing triazine ring of light trigger 0.2%-5%, modified urethane acrylate 25%-35%, inorganic nano-filler 1%-10%, coupling agent 0.5%-2% and surplus and dipentaerythritol polyfunctional acrylic ester;
Or described cured layer solution is heat-cured layer solution, described heat-cured layer solution is made up of each component of following mass percent: the multi-functional acrylate of thermal initiator 1%-5%, modified urethane acrylate 25%-45%, coupling agent 0.5%-2% and surplus.
4. the preparation method of flexible touch screen sense film according to claim 3, it is characterised in that the quality proportioning of described multi-functional acrylate containing triazine ring and dipentaerythritol polyfunctional acrylic ester is 1: 8-8: 1.
5. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that described flexible optical base material is PET, PC, PI or PEN;Described flexible optical base material is the optical-grade transparent base material of light transmittance >=90%.
6. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that described inorganic rigid base material is glass or silicon chip.
7. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that step 1) in, remove the solvent in dispersion liquid by heat treatment, heat treated temperature is 60160 DEG C.
8. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that silver paste is composed of the following components: silver powder particles diameter 0.5-2um, and its solid content is 60%-90%;Solvent, dispersant, levelling agent, the antioxidant of metal particle, stabilizer.
9. the preparation method of flexible touch screen sense film according to claim 1, it is characterised in that the thickness of described fexible film part is 5~400um.
10. the flexible touch screen sense film that the preparation method adopted as described in any one of claim 1 to 9 prepares, it is characterised in that the visible light transmissivity of described flexible touch screen sense film is 80%~95%, and square resistance is 5-100 Ω/.
CN201610072515.1A 2016-02-02 2016-02-02 Flexible touch panel sensing film and preparation method thereof Pending CN105786242A (en)

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CN110045877A (en) * 2019-05-09 2019-07-23 广州聚达光电有限公司 A kind of narrow frame touch sensing and preparation method thereof based on nano-silver thread
CN110045876A (en) * 2019-05-09 2019-07-23 广州聚达光电有限公司 A kind of composite double layer ultrathin flexible touch screen sensor and preparation method thereof
CN110415865A (en) * 2019-07-29 2019-11-05 北京华纳高科科技有限公司 Consistent transparent conductive film of a kind of optics and preparation method thereof
CN111169193A (en) * 2018-11-13 2020-05-19 苏州赛伍应用技术股份有限公司 Transfer printing glue and transfer printing film for gravure printing process of silver paste of photovoltaic cell piece, and preparation method and application of transfer printing film
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
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CN106297964A (en) * 2016-08-08 2017-01-04 重庆墨希科技有限公司 A kind of compound transparent electricity conductive film and preparation method thereof
CN106519636A (en) * 2016-11-02 2017-03-22 广东顺德艺冠云膜科技股份有限公司 Phytene soft touch film, preparation method and application thereof
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CN106959791B (en) * 2017-03-21 2023-09-01 江苏碳诺显示技术有限公司 Flexible touch device capable of being conveniently stored and spread on uneven surface
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US20190391685A1 (en) * 2018-06-25 2019-12-26 Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Method of manufacturing touch electrode layer and touch electrode layer
CN108958538A (en) * 2018-06-28 2018-12-07 武汉华星光电半导体显示技术有限公司 A kind of touch control electrode layer preparation method and touch control electrode layer
CN108717338A (en) * 2018-08-07 2018-10-30 广州聚达光电有限公司 A kind of flexible touch screen display module and preparation method thereof based on flexible cover plate
CN111169193A (en) * 2018-11-13 2020-05-19 苏州赛伍应用技术股份有限公司 Transfer printing glue and transfer printing film for gravure printing process of silver paste of photovoltaic cell piece, and preparation method and application of transfer printing film
CN111169193B (en) * 2018-11-13 2022-05-24 苏州赛伍应用技术股份有限公司 Application of transfer film in transferring silver paste to photovoltaic cell piece through gravure printing
CN110045877A (en) * 2019-05-09 2019-07-23 广州聚达光电有限公司 A kind of narrow frame touch sensing and preparation method thereof based on nano-silver thread
CN110045876A (en) * 2019-05-09 2019-07-23 广州聚达光电有限公司 A kind of composite double layer ultrathin flexible touch screen sensor and preparation method thereof
CN110415865A (en) * 2019-07-29 2019-11-05 北京华纳高科科技有限公司 Consistent transparent conductive film of a kind of optics and preparation method thereof
CN112574604A (en) * 2019-09-27 2021-03-30 新恒东薄膜材料(常州)有限公司 Ultraviolet-damp-heat-aging-resistant pre-coating liquid for transparent PI (polyimide) hardened film and application thereof
CN112574604B (en) * 2019-09-27 2022-06-14 新恒东薄膜材料(常州)有限公司 Ultraviolet-damp-heat-aging-resistant pre-coating liquid for transparent PI (polyimide) hardened film and application thereof
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

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Application publication date: 20160720