CN106847378A - A kind of flexible transparent conducting film and preparation method thereof - Google Patents
A kind of flexible transparent conducting film and preparation method thereof Download PDFInfo
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- CN106847378A CN106847378A CN201710212522.1A CN201710212522A CN106847378A CN 106847378 A CN106847378 A CN 106847378A CN 201710212522 A CN201710212522 A CN 201710212522A CN 106847378 A CN106847378 A CN 106847378A
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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
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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
Abstract
The invention provides a kind of flexible transparent conducting film, including contact successively the first cuticular layer, use layer, the second cuticular layer, wherein, a UV hardened layers, PET base material, the 2nd UV hardened layers, anti-blu-ray layer and the conductive layer by including the use layer and contacting successively；And make the conductive layer be zinc oxide and the composite conductive layers of aluminum oxide composition.And then the nesa coating light penetration that obtains is high, and conduct electricity very well.Additionally, the preparation process is simple of the nesa coating that the present invention is provided, and cost of material is relatively low, with good prospects for commercial application.
Description
Technical field
The present invention relates to diaphragm field, more particularly to a kind of flexible transparent conducting film and preparation method thereof.
Background technology
Transparent conductive film be it is a kind of can a kind of conductive film with high transparency rate in visible-range again, mainly
For the window material of photoelectric device (such as LED, thin-film solar cells etc.)；The nesa coating of extensive concern is broadly divided into gold
Category membrane system and oxide membrane system；Wherein, metal membrane system conducts electricity very well, but transparent rate is poor, and it is then transparent rate to aoxidize membrane system
High and poorly conductive.It is this that transparent conductive film common at present is mainly ITO (indium oxide of tin dope three) transparent conductive film
The energy gap of conducting film is big, only absorbs ultraviolet light, does not absorb visible ray, therefore be referred to as " transparent ".
Nearly all it is in the market as transparent conductive material using tin-doped indium oxide (ITO).But ITO has many lacking
In in point, first ito thin film2O3It is expensive, so as to the production cost for causing touch-screen overall is improved；In materials in next ITO
Material is poisonous, has injury to human body in preparation and application process, and have certain pollution to environment；Other Sn therein and In
It is thick atom secondary element, prepares the readily permeable substrate surface of Sn, In atom during ITO, into substrate, is subject to backing material
Poison；And the performance of the nesa coating for obtaining is not fine.
The content of the invention
In view of this, the technical problems to be solved by the invention are to provide flexible transparent conducting film and preparation method thereof,
The not only toxicity of the flexible transparent conducting film that the present invention is provided is low, and conducts electricity very well, and raw material sources are extensive.
The invention provides a kind of flexible transparent conducting film, including contact successively the first cuticular layer, use layer, second shield
Film layer,
Wherein, the use layer includes the UV hardened layers, PET base material, the 2nd UV hardened layers, the anti-blue light that contact successively
Layer and conductive layer；
The conductive layer is by by zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, annealing, obtains conduction
Layer.Preferably, first cuticular layer includes base material and adhesive-layer；
Wherein, the glue of the adhesive-layer is organic pressure-sensitive gel.
Preferably, a UV hardened layers be 50~100 parts by weight solvent, 40~70 weight portion cross-linking monomers, 20~
The hardened layer that 40 parts by weight of prepolymer and 2~5 weight portion light triggers are mixed to get；
Wherein, the cross-linking monomer is one or more in hexanediyl ester, NPGDA and TPGDA；It is described pre-
Polymers is one or more in epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin.
Preferably, the 2nd UV hardened layers be 50~100 parts by weight solvent, 40~70 weight portion cross-linking monomers, 20~
The hardened layer that 40 parts by weight of prepolymer and 2~5 weight portion light triggers are mixed to get；
Wherein, the cross-linking monomer is one or more in hexanediyl ester, NPGDA and TPGDA；It is described pre-
Polymers is one or more in epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin.
Preferably, the anti-blu-ray layer is 50~60 weight portions viscosity monomer, polycondensation monomer in 5~15 weight portions, 3~10 weights
Amount part modified monomer, 0.1~1 parts by weight of crosslinking agent, 50~100 parts by weight solvent and the anti-blue light auxiliary agent of 0.01~5 weight portion are mixed
The anti-blu-ray layer that conjunction is obtained；
Wherein, the anti-blue light auxiliary agent be salicylic acid ester type compound, benzene ketone compounds, benzotriazole compound,
One or more in group-substituted acrylonitrile compound, compound in triazine class and hindered amine compound.
Preferably, the sticky monomer is the one kind or several in butyl acrylate, ethyl acrylate and Isooctyl acrylate monomer
Kind.
Preferably, the interior polycondensation monomer be vinylacetate and methyl methacrylate in one or two.
Preferably, second cuticular layer includes base material and adhesive-layer；
Wherein, the glue of the adhesive-layer is organic pressure-sensitive gel.
Aluminium in the conductive layer is 2.7~3.5 weight portions, and zinc is 80~81 weight portions.
Present invention also offers a kind of preparation method of flexible transparent conducting film, including：Applied respectively in the both sides using layer
The cuticular layer of cloth first and the second cuticular layer；
Wherein, the use layer is prepared in accordance with the following methods：
Be respectively coated a UV hardened layers and the 2nd UV hardened layers in the both sides of PET base material, and on the second hardened layer according to
The secondary anti-blu-ray layer of coating and conductive layer；
The conductive layer is prepared in accordance with the following methods：With zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, is moved back
Fire, obtains conductive layer.
Compared with prior art, the invention provides a kind of flexible transparent conducting film, including the first cuticula for contacting successively
Layer, using layer, the second cuticular layer, wherein, by make the use layer include contact successively a UV hardened layers, PET base material,
2nd UV hardened layers, anti-blu-ray layer and conductive layer；And make the conductive layer by by zinc acetate and Al (NO3)3.9H2O is raw material,
Obtained through liquid deposition, annealing；Wherein the conductive layer prepares conductive layer by using sol-gal process, realizes on molecular level
Uniform Doped, obtains polycrystalline structure, changes the surface energy of conductive face, and then the nesa coating light penetration for obtaining
Height, and conduct electricity very well.Additionally, the preparation process is simple of the nesa coating that the present invention is provided, and cost of material is relatively low, tool
There is good prospects for commercial application.
Brief description of the drawings
The structural representation of the flexible transparent conducting film that Fig. 1 is provided for the present invention.
Specific embodiment
The invention provides a kind of flexible transparent conducting film, including contact successively the first cuticular layer, use layer, second shield
Film layer,
Wherein, the use layer includes the UV hardened layers, PET base material, the 2nd UV hardened layers, the anti-blue light that contact successively
Layer and conductive layer；
The conductive layer is by by zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, annealing, obtains conduction
Layer.
According to the present invention, first cuticular layer includes base material and adhesive-layer；Wherein, the base material is preferably PET；It is described
The thickness of PET is preferably 25~100 μm, more preferably 50~75 μm；The glue of the adhesive-layer is preferably organic pressure-sensitive gel, institute
State organic pressure-sensitive gel to be preferably made up of the organosiloxane and 20~40 parts by weight solvent of 60~80 weight portions, the solvent is excellent
Elect one or two in toluene and dimethylbenzene as；The viscosity of the organic pressure-sensitive gel is preferably 5000~20000C.P.S,
The adhesive-layer thickness is preferably 3~15 μm, more preferably 8~10 μm.
Described according to the present invention, the use layer includes the UV hardened layers, pet layer, the 2nd UV hardening that contact successively
Layer, anti-blu-ray layer and conductive layer；
Wherein, a UV hardened layers are 50~100 parts by weight solvent, 40~70 weight portion cross-linking monomers, 20~40
Parts by weight of prepolymer, the hardened layer that 2~5 parts by weight light triggers are mixed to get；Wherein, the cross-linking monomer is hexylene glycol two
One or more in acrylate, NPGDA and TPGDA, more preferably hexanediyl ester, NPGDA or TPGDA；Institute
It is one or more in epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin to state prepolymer, more excellent
Elect epoxy acrylic resin, polyurethane acrylic resin or polyester acrylate resin as；The solvent be preferably toluene, butanone and
One or more in propylene glycol methyl ether acetate, more preferably toluene, butanone or propylene glycol methyl ether acetate；It is described light-initiated
Agent is preferably benzophenone and triethanolamine, and the mass ratio of the benzophenone and the triethanolamine is 2: 1；The UV is hard
The solvent changed in layer is preferably 60~80 weight portions；Cross-linking monomer in the UV hardened layers is preferably 50~60 weight portions；Institute
State the prepolymer in UV hardened layers and be preferably 25~35 weight portions；Light trigger in the UV hardened layers is preferably 3~4 weight
Part；The thickness of the first UV hardened layers is preferably 1~10 μm, more preferably more preferably 3~8 μm, 4~6 μm.
The thickness of the PET base material is preferably 20~150 μm, most preferably more preferably 25~100 μm, 50~75 μm；
The light transmittance of the PET base material is preferably greater than or equal to 93%, and mist degree is 0.
The 2nd UV hardened layers are 50~100 parts by weight solvent, 40~70 weight portion cross-linking monomers, 20~40 weight portions
The hardened layer that prepolymer and 2~5 weight portion light triggers are mixed to get；Wherein, the cross-linking monomer is hexanediyl
One or more in ester, NPGDA and TPGDA, more preferably hexanediyl ester, NPGDA or TPGDA；The pre-polymerization
Thing is one or more in epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin, more preferably ring
Oxypropylene acid resin, polyurethane acrylic resin or polyester acrylate resin；The solvent is preferably toluene, butanone and propane diols
One or more in methyl ether acetate, more preferably toluene, butanone or propylene glycol methyl ether acetate；The light trigger is preferred
It is benzophenone and triethanolamine, and the mass ratio of the benzophenone and the triethanolamine is 2: 1；In the UV hardened layers
Solvent be preferably 60~80 weight portions；Cross-linking monomer in the UV hardened layers is preferably 50~60 weight portions；The UV is hard
The prepolymer changed in layer is preferably 25~35 weight portions；Light trigger in the UV hardened layers is preferably 3~4 weight portions；Institute
The thickness for stating the 2nd UV hardened layers is preferably 1~10 μm, more preferably more preferably 3~8 μm, 4~6 μm.
The anti-blu-ray layer is 50~60 weight portions viscosity monomer, and polycondensation monomer in 5~15 weight portions, 3~10 weight portions change
Property monomer, 0.1~1 parts by weight of crosslinking agent, 50~100 parts by weight solvent and the anti-blue light auxiliary agent of 0.01~5 weight portion are mixed to get
Anti- blu-ray layer；Wherein, the anti-blue light auxiliary agent is salicylic acid ester type compound, benzene ketone compounds, benzotriazole chemical combination
One or more in thing, group-substituted acrylonitrile compound, compound in triazine class and hindered amine compound, more preferably bigcatkin willow
Acid esters compound, benzene ketone compounds, benzotriazole compound, group-substituted acrylonitrile compound, compound in triazine class or
Hindered amine compound；The sticky monomer is the one kind or several in butyl acrylate, ethyl acrylate and Isooctyl acrylate monomer
Plant, more preferably butyl acrylate, ethyl acrylate or Isooctyl acrylate monomer；The interior polycondensation monomer is vinylacetate and methyl
One or two in methyl acrylate；The modified monomer is in acrylic acid, methacrylic acid and hydroxyethyl methacrylate
One or more, more preferably acrylic acid, methacrylic acid or hydroxyethyl methacrylate；The crosslinking agent is isocyanic acid
One or more in ester, benzoyl peroxide and acid anhydrides, more preferably isocyanates, benzoyl peroxide or acid anhydrides；It is described
Solvent is preferably one or two in toluene and ethyl acetate；The parts by weight of the sticky monomer in the anti-blu-ray layer are preferred
It is 55~58 weight portions；The parts by weight of the interior polycondensation monomer in the anti-blu-ray layer are preferably 8~10 weight portions；The anti-blue light
The parts by weight of the modified monomer in layer are preferably 5~8 weight portions；The parts by weight of the crosslinking agent in the anti-blu-ray layer are preferred
It is 0.3~0.8 weight portion；Solvent in the anti-blu-ray layer is preferably 60~90 weight portions；Anti- indigo plant in the anti-blu-ray layer
The parts by weight of light auxiliary agent are preferably 0.1~4 weight portion, more preferably 1~3 weight portion；The thickness of the anti-blu-ray layer is preferred
It is 1~25 μm, more preferably 5~20 μm, more preferably 10~15 μm.
According to the present invention, the conductive layer is by by zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, is moved back
Fire, obtains conductive layer.Wherein, aluminium is preferably 2.7~3.5 weight portions in the conductive layer, and zinc is preferably 80~81 weight portions；Institute
The thickness for stating conductive layer is preferably 10~60 nanometers, most preferably more preferably 20~50 nanometers, 30~40 nanometers.
According to the present invention, second cuticular layer includes base material and adhesive-layer；Wherein, the base material is preferably PET；It is described
The thickness of PET is preferably 25~100 μm, more preferably 50~75 μm；The glue of the adhesive-layer is preferably organic pressure-sensitive gel, institute
State organic pressure-sensitive gel to be preferably made up of the organosiloxane and 20~40 parts by weight solvent of 60~80 weight portions, the solvent is excellent
Elect one or two in toluene and dimethylbenzene as；The viscosity of the organic pressure-sensitive gel is preferably 5000~20000C.P.S,
The adhesive-layer thickness is preferably 3~15 μm, more preferably 8~10 μm.
Specifically, flexible transparent conducting film of the present invention is as shown in figure 1, Fig. 1 leads for flexible and transparent of the present invention
The structural representation of electrolemma, wherein, the conducting film is by the first cuticular layer, a UV hardened layers, pet layer, that contact successively
Two UV hardened layers, anti-blu-ray layer, conductive layer and the second cuticular layer composition.
Present invention also offers a kind of preparation method of flexible transparent conducting film, including：Applied respectively in the both sides using layer
The cuticular layer of cloth first and the second cuticular layer；
Wherein, the use layer is prepared in accordance with the following methods：
Be respectively coated a UV hardened layers and the 2nd UV hardened layers in the both sides of PET base material, and on the second hardened layer according to
The secondary anti-blu-ray layer of coating and conductive layer；
The conductive layer is prepared in accordance with the following methods：With zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, is moved back
Fire, obtains conductive layer.According to the present invention, the present invention is being respectively coated the first cuticular layer and the second cuticular layer using the both sides of layer；
Wherein, the material for being used in first cuticular layer and the second cuticular layer is identical with aforementioned definition；For coating method, the present invention
It is preferred that using comma formula scraper for coating；The solidification temperature of the first cuticular layer for obtaining of coating and the second cuticular layer is preferably 130~
150 DEG C, hardening time is 60~90S.
In the present invention, the use layer is prepared in accordance with the following methods：UV hardening is respectively coated in the both sides of PET base material
Layer and the 2nd UV hardened layers, and it is coated with anti-blu-ray layer and conductive layer successively on the second hardened layer；Wherein, a UV hardened layers,
The material used in 2nd UV hardened layers, anti-blu-ray layer and conductive layer is identical with the restriction in aforesaid conductive film product；For applying
Mode for cloth, the coating method used when the both sides of PET base material are coated with a UV hardened layers and the 2nd UV hardened layers is preferably micro-
The mode of recessed coating, the present invention is not special to the UV hardened layers and the curing mode of the 2nd UV hardened layers obtained after coating
It is required that, those skilled in the art can as needed select suitable condition of cure；Anti- blu-ray layer is coated with the second hardened layer
The coating method of use is preferably comma formula scraper for coating；The curing mode of the anti-blu-ray layer that the present invention is obtained to coating does not also have
Particular/special requirement, those skilled in the art can according to actual needs select suitable curing mode；For conductive layer, the present invention is excellent
Choosing is prepared in accordance with the following methods：With zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, annealing, obtains conduction
Layer；Wherein, the liquid deposition described in step is directly to have been coated with being deposited on the base material of anti-blu-ray layer；The acetic acid
Zinc and the Al (NO3)3.9H2The mass ratio of O is (10~30): (70~90), more preferably (20~25): (75~80)；Institute
The temperature for stating deposition is preferably 75 DEG C；The temperature of the annealing is 245~255 DEG C, more preferably 250 DEG C.
The invention provides a kind of flexible transparent conducting film, including contact successively the first cuticular layer, use layer, second shield
Film layer, wherein, by the UV hardened layers that include the use layer to contact successively, PET base material, the 2nd UV hardened layers, anti-
Blu-ray layer and conductive layer；And make the conductive layer by by zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, annealing
Obtain；.And then the nesa coating light penetration that obtains is high, and conduct electricity very well.Additionally, present invention offer is saturating
The preparation process is simple of bright conducting film, and cost of material is relatively low, with good prospects for commercial application.
Technical scheme below in conjunction with the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Embodiment 1
1) preparation of layer is used
The weight portion of solvent 100,40 parts of cross-linking monomer weight, the weight portion of prepolymer 20, the weight portion of light trigger 2 are mixed,
And mixed liquor is coated on the base material of 23umPET by the way of nick coating, oven temperature is about 50~90 degree through baking oven
It is about 500~800mJ/cm by ultraviolet light polymerization, UV lamp energy after 30~60s of heating2, obtain 3 μm of hardened layers of thickness, i.e.,
One UV hardened layers and the base material of the 2nd UV hardened layers coating；Wherein, the solvent is toluene；Cross-linking monomer is the propylene of hexylene glycol two
Acid esters；Prepolymer is epoxy acrylic resin；Light trigger is benzophenone, triethanolamine, and benzophenone and triethanolamine
Mass ratio be 2: 1.
Anti- blu-ray layer is coated with the base material of UV hardened layers being coated with, specifically, by the weight portion of sticky monomer 60, cohesion list
The weight portion of body 5, the weight portion of modified monomer 10, the weight portion of crosslinking agent 0.1, the weight portion of solvent 100, the anti-blue light of 0.5 weight portion are helped
Agent is mixed to get mixed liquor；By the mixed liquor using comma formula scraper for coating at the back side of above-mentioned base material, by baking oven, (temperature is about
It is 150~190 degree, 60~90s) it is heating and curing, it is fully solidified, obtain the base material of the μ m-thick of anti-blu-ray layer 10；Wherein, viscosity
Monomer is butyl acrylate；Interior polycondensation monomer is vinylacetate；Modified monomer is acrylic acid；Crosslinking agent is isocyanates；Solvent
It is toluene；Anti- blue light auxiliary agent is salicylic acid esters.
The conducting layer coated in anti-blu-ray layer, specifically, with zinc acetate as raw material, adulterate Al (NO3)3.9H2O, at 75 DEG C
At a temperature of, make mixture through liquid deposition to being coated with the base material of anti-blu-ray layer, and anneal and obtain the base material of conducting layer coated,
Use layer；Wherein, the material of the conductive layer is polycrystalline structure；Wherein the weight portion of aluminium is 3.0, zinc weight in gained conductive layer
Amount part is 80.34, and the coating layer thickness for obtaining is 30nm.
2) preparation of the first cuticular layer and the second cuticular layer
By organic pressure-sensitive gel by comma formula scraper for coating thickness be 50 μm of PET base materials on, wherein, by baking oven
(temperature is about 130~150 degree, 60~90s) is heating and curing, and obtains the cuticular layer that organic pressure-sensitive gel thickness is 10 μm, as
First cuticular layer and the second cuticular layer.Wherein, organic pressure-sensitive gel is by being about 60 weight portion organosiloxanes as main solid
Body composition, 40 parts by weight of toluene and dimethylbenzene as solvent pressure sensitive adhesive product, wherein, the range of viscosities of organic pressure-sensitive gel is
5000~20000C.P.S.
3) prepared by flexible transparent conducting film
The two sides of the use layer that step 1 is obtained is covered with the first cuticular layer and the second cuticular layer, obtains flexible and transparent conductive
Film；
Flexible transparent conducting film to obtaining carries out performance test, and hardness can be reached using the test of electric pencil hardometer
4H；Wear-resisting 2KG, 10 OK, surface resistance are tested using rubber alcohol abrasion wear test machine：370~400 Ω/；Surface resistance is uniform
Property：MD≤± 3%, TD≤± 6%；The linearity (MD)：≤ 1.5%；Total light transmittance：>=86%；Heat endurance：(R~
R0)/R：± 20%；Percent thermal shrinkage：MD≤1.0%, TD≤0.8%；Heating curling：≤10mm.
Embodiment 2
1) preparation of layer is used
The weight portion of solvent 80, the weight portion of cross-linking monomer 0, the weight portion of prepolymer 20, the weight portion of light trigger 5 are mixed, and
Mixed liquor is coated on the base material of 50umPET by the way of nick coating, oven temperature is about 50~90 degree and adds through baking oven
It is about 500~800mJ/cm2 by ultraviolet light polymerization, UV lamp energy after 30~60s of heat, obtains 4 μm of hardened layers of thickness, i.e., first
UV hardened layers and the base material of the 2nd UV hardened layers coating；Wherein.Solvent is the toluene and propylene glycol monomethyl ether acetic acid that mass ratio is 1: 1
Ester solution；Cross-linking monomer is hexanediyl ester；Prepolymer is epoxy acrylic resin；Light trigger be benzophenone,
Triethanolamine, and the mass ratio of benzophenone and triethanolamine is 2: 1.
Anti- blu-ray layer is coated with the base material of UV hardened layers being coated with, specifically, by the weight portion of sticky monomer 50, cohesion list
The weight portion of body 15, the weight portion of modified monomer 3, the weight portion of crosslinking agent 0.5, the weight portion of solvent 50, the anti-blue light auxiliary agent of 1 weight portion are mixed
Conjunction obtains mixed liquor；By the mixed liquor using comma formula scraper for coating at the back side of above-mentioned base material, by baking oven, (temperature is about
150~190 degree, 60~90s) it is heating and curing, it is fully solidified, obtain the base material of the μ m-thick of anti-blu-ray layer 10；Wherein, viscosity is single
Body is butyl acrylate；Interior polycondensation monomer is vinylacetate；Modified monomer is acrylic acid；Crosslinking agent is isocyanates；Solvent is
Toluene；Anti- blue light auxiliary agent is salicylic acid esters.
The conducting layer coated in anti-blu-ray layer, specifically, with zinc acetate as raw material, adulterate Al (NO3)3.9H2O, at 75 DEG C
At a temperature of, make mixture through liquid deposition to being coated with the base material of anti-blu-ray layer, and anneal and obtain the base material of conducting layer coated,
Use layer；Wherein, the material of the conductive layer is polycrystalline structure；Wherein the weight portion of aluminium is 2.7, zinc weight in gained conductive layer
Amount part is 80.34, and the coating layer thickness for obtaining is 50nm.
2) preparation of the first cuticular layer and the second cuticular layer
By organic pressure-sensitive gel by comma formula scraper for coating thickness be 50 μm of PET base materials on, wherein, by baking oven
(temperature is about 130~150 degree, 60~90s) is heating and curing, and obtains the cuticular layer that organic pressure-sensitive gel thickness is 10 μm, as
First cuticular layer and the second cuticular layer.Wherein, organic pressure-sensitive gel is by being about 60 weight portion organosiloxanes as main solid
Body composition, 40 parts by weight of toluene and dimethylbenzene as solvent pressure sensitive adhesive product, wherein, the range of viscosities of organic pressure-sensitive gel is
5000~20000C.P.S.
3) prepared by flexible transparent conducting film
The two sides of the use layer that step 1 is obtained is covered with the first cuticular layer and the second cuticular layer, obtains flexible and transparent conductive
Film；
Flexible transparent conducting film to obtaining carries out performance test, and 4H can be reached using the test of electric pencil hardometer,
Wear-resisting 2KG, 10 OK, surface resistance are tested using rubber alcohol abrasion wear test machine：300~320 Ω/；Surface resistance uniformity：MD
≤ ± 3%, TD≤± 6%；Ito thin film thickness：0.188 ± 10%；The linearity (MD)：≤ 1.5%；Total light transmittance：≥
86%；Heat endurance：(R~R0)/R：± 20%；Percent thermal shrinkage：MD≤1.0%, TD≤0.8%；Heating curling：≤10mm.
Embodiment 3
1) preparation of layer is used
The weight portion of solvent 100,40 parts of cross-linking monomer weight, the weight portion of prepolymer 20, the weight portion of light trigger 2 are mixed,
And mixed liquor is coated on 100 μm of base materials of PET by the way of nick coating, oven temperature is about 50~90 DEG C through baking oven
It is about 500~800mJ/cm by ultraviolet light polymerization, UV lamp energy after 30~60s of heating2, obtain 3 μm of hardened layers of thickness, i.e.,
One UV hardened layers and the base material of the 2nd UV hardened layers coating；Wherein, the solvent is volume ratio for 1: 1 toluene and butanone mixes
Liquid；Cross-linking monomer is NPGDA；Prepolymer is polyurethane acrylic resin；Light trigger is benzophenone, triethanolamine, and two
The mass ratio of Benzophenone and triethanolamine is 2: 1.
Anti- blu-ray layer is coated with the base material of UV hardened layers being coated with, specifically, by the weight portion of sticky monomer 60, cohesion list
The weight portion of body 5, the weight portion of modified monomer 10, the weight portion of crosslinking agent 0.1, the weight portion of solvent 100, the anti-blue light of 0.1 weight portion are helped
Agent is mixed to get mixed liquor；By the mixed liquor using comma formula scraper for coating at the back side of above-mentioned base material, by baking oven, (temperature is about
It is 150~190 degree, 60~90s) it is heating and curing, it is fully solidified, obtain the base material of the μ m-thick of anti-blu-ray layer 5；Wherein, viscosity
Monomer is butyl acrylate；Interior polycondensation monomer is vinylacetate；Modified monomer is acrylic acid；Crosslinking agent is isocyanates；Solvent
It is toluene；Anti- blue light auxiliary agent is salicylic acid ester type compound.
The conducting layer coated in anti-blu-ray layer, specifically, with zinc acetate as raw material, adulterate Al (NO3)3.9H2O, at 75 DEG C
At a temperature of, make mixture through liquid deposition to being coated with the base material of anti-blu-ray layer, and anneal and obtain the base material of conducting layer coated,
Use layer；Wherein, the material of the conductive layer is polycrystalline structure；Wherein the weight portion of aluminium is 3.5, zinc weight in gained conductive layer
Amount part is 80.34, and the coating layer thickness for obtaining is 20nm.
2) preparation of the first cuticular layer and the second cuticular layer
By organic pressure-sensitive gel by comma formula scraper for coating thickness be 100 μm of PET base materials on, wherein, by baking oven
(temperature is about 130~150 DEG C, 60~90s) is heating and curing, and obtains the cuticular layer that organic pressure-sensitive gel thickness is 10 μm, as
First cuticular layer and the second cuticular layer.Wherein, organic pressure-sensitive gel is by being about 60 weight portion organosiloxanes as main solid
Body composition, 40 parts by weight of toluene and dimethylbenzene as solvent pressure sensitive adhesive product, wherein, the range of viscosities of organic pressure-sensitive gel is
5000~20000C.P.S.
3) prepared by flexible transparent conducting film
The two sides of the use layer that step 1 is obtained is covered with the first cuticular layer and the second cuticular layer, obtains flexible and transparent conductive
Film；
Flexible transparent conducting film to obtaining carries out performance test, and 3H can be reached using the test of electric pencil hardometer；
Wear-resisting 2KG, 10 OK are tested using rubber alcohol abrasion wear test machine；Surface resistance：470~490 Ω/；Surface resistance uniformity：MD
≤ ± 3%, TD≤± 6%；Film thickness：0.188 ± 10%；The linearity (MD)：≤ 1.5%；Total light transmittance：≥
86%；Heat endurance：(R~R0)/R：± 20%；Percent thermal shrinkage：MD≤1.0%, TD≤0.8%；Heating curling：≤10mm.
Comparative example 1
Method and raw material according to embodiment 3 prepare flexible transparent conducting film, only change the conductive layer in embodiment 3 into existing
The conductive layer of some aluminium-doped zinc oxides, the preparation method of the conductive layer of existing aluminium-doped zinc oxide is as follows：Existing preparation AZO is thin
In film, AZO films are prepared using reactive magnetron sputtering method, i.e., using ZnAl alloys targets, O is passed through in preparation process2, there is oxygen
Change reaction, generate AZO conductive layers.
Flexible transparent conducting film to obtaining carries out performance test, as a result as follows：Surface resistance：200~500 Ω/；Face electricity
Resistance uniformity：MD≤± 5%, TD≤± 8%；Film thickness：0.188 ± 10%；The linearity (MD)：≤ 2.5%；Full light is saturating
Cross rate：>=85%；Heat endurance：(R~R0)/R：± 20%；Percent thermal shrinkage：MD≤1.5%, TD≤0.8%；Heating curling：
≤10mm。
It can be seen that, being contrasted by with embodiment 3, conducting film electric conductivity stabilization in embodiment 3, surface resistance is 470~490
Ω/, meets touch-screen conducting film claimed range, and surface resistance has good uniformity.Comparatively, the flexibility that documents 1 are obtained
The surface resistance uniformity of nesa coating is relatively poor, surface resistance larger, the bad regulation and control of fluctuation.Be probably due to reaction magnetic control
When sputtering prepares AZO films, due to O2With the bad control of ratio and flow of Ar gas, there be not zinc-aluminium atom in causing sputter procedure
React or react excessive completely with oxygen atom so that the electric conductivity for preparing AZO films is unstable.Additionally, magnetic control splashes
Jet device is expensive, and sputter rate very little while operating technology is very complicated, thus is difficult to large-scale production.
The explanation of above example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that right
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of flexible transparent conducting film, including contact successively the first cuticular layer, use layer, the second cuticular layer.
Wherein, the use layer include contact successively a UV hardened layers, PET base material, the 2nd UV hardened layers, anti-blu-ray layer and
Conductive layer；
The conductive layer is by by zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, annealing, the conduction for obtaining
Layer.
2. flexible transparent conducting film according to claim 1, it is characterised in that first cuticular layer includes base material and viscous
Glue-line；
Wherein, the glue of the adhesive-layer is organic pressure-sensitive gel.
3. flexible transparent conducting film according to claim 1, it is characterised in that a UV hardened layers are 50~100
Parts by weight solvent, 40~70 weight portion cross-linking monomers, 20~40 parts by weight of prepolymer and 2~5 weight portion light triggers mix
The hardened layer for arriving；
Wherein, the cross-linking monomer is one or more in hexanediyl ester, NPGDA and TPGDA；The prepolymer
It is one or more in epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin.
4. flexible transparent conducting film according to claim 1, it is characterised in that the 2nd UV hardened layers are 50~100
Parts by weight solvent, 40~70 weight portion cross-linking monomers, 20~40 parts by weight of prepolymer and 2~5 weight portion light triggers mix
The hardened layer for arriving；
Wherein, the cross-linking monomer is one or more in hexanediyl ester, NPGDA and TPGDA；The prepolymer
It is one or more in epoxy acrylic resin, polyurethane acrylic resin and polyester acrylate resin.
5. according to the flexible transparent conducting film described in claim 1, it is characterised in that the anti-blu-ray layer is viscous for 50~60 weight portions
Property monomer, polycondensation monomer in 5~15 weight portions, 3~10 part by weight modified monomers, 0.1~1 parts by weight of crosslinking agent, 50~100 weight
The anti-blu-ray layer that part solvent and the anti-blue light auxiliary agent of 0.01~5 weight portion are mixed to get；
Wherein, the anti-blue light auxiliary agent is salicylic acid ester type compound, benzene ketone compounds, benzotriazole compound, substitution
One or more in acrylonitrile compound, compound in triazine class and hindered amine compound.
6. flexible transparent conducting film according to claim 5, it is characterised in that the sticky monomer be butyl acrylate,
One or more in ethyl acrylate and Isooctyl acrylate monomer.
7. flexible transparent conducting film according to claim 5, it is characterised in that the interior polycondensation monomer be vinylacetate and
One or two in methyl methacrylate.
8. flexible transparent conducting film according to claim 1, it is characterised in that second cuticular layer includes base material and viscous
Glue-line；
Wherein, the glue of the adhesive-layer is organic pressure-sensitive gel.
9. flexible conductive film according to claim 1, it is characterised in that the aluminium in the conductive layer is 2.7~3.5 weight
Part, zinc is 80~81 weight portions.
10. a kind of preparation method of flexible transparent conducting film, including：The first cuticular layer and are being respectively coated using the both sides of layer
Two cuticular layers；
Wherein, the use layer is prepared in accordance with the following methods：
A UV hardened layers and the 2nd UV hardened layers are respectively coated in the both sides of PET base material, and are applied successively on the second hardened layer
The anti-blu-ray layer of cloth and conductive layer；
The conductive layer is prepared in accordance with the following methods：With zinc acetate and Al (NO3)3.9H2O is raw material, through liquid deposition, annealing,
Obtain conductive layer.
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Application publication date: 20170613 |