CN109575604A - A kind of flexible and transparent composite conducting method for producing elastomers - Google Patents
A kind of flexible and transparent composite conducting method for producing elastomers Download PDFInfo
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Abstract
The invention discloses a kind of flexible and transparent composite conducting method for producing elastomers, preparing first can heat or light-initiated transparent polymer polymer, it is mixed with the doping PEDOT:PSS solution for passing through secondary doping and adulterating three times again, finally carry out deaeration coating, it uses up or heat causes solidification demoulding, to obtain the final product, a kind of flexible and transparent composite conducting method for producing elastomers of the present invention, without preparing elastic substrates in advance, without solvent, the conductivity of conductive elastomer can be adjusted, stability is strong, with wide applicability, and it is low in cost.
Description
Technical field
The invention belongs to flexible electronics preparation technical fields, and in particular to a kind of flexible and transparent composite conducting elastomer
Preparation method.
Background technique
Flexible electronic devices can still keep stable working condition after the deformation such as bending, stretching or compression, be not send a telegram here
The developing direction of sub- equipment, and more and more extensive concern is obtained in intelligence manufacture field.Electrically conductive elastic composite material is good because of its
Good electric conductivity and flexibility are expected to be applied to flexible electronic devices field, prepare intelligent packaging, wearable electronic, flexibility
Display and battery and flexible sensor etc..
Conductive elastomer is able to maintain good electric property under deformation, its rapid development also promotes stretchable electricity
The development of sub- equipment, change people for it is existing can not deformation electronic equipment understanding.At present in flexible electronic devices
In, the most common electrode material is indium tin oxide target (ITO), although ITO has good conductivity and excellent translucency, is made
For the main electrode material of flexible display, but due to the resource exhaustion of phosphide material, ITO is rigidly strong, complex manufacturing technology, cost
The conditionalities such as valuableness, ITO, which no longer becomes, has promising electrode material, is gradually substituted by metal nanometer line,
For metal nanometer line as conductive material, raw material sources extensively and easy processing, are increasingly becoming the main selection of flexible electronics, but
In order to pursue performance in precision instrument, what is often selected is nanowires of gold and silver nanowires, expensive, and with flexible base
The associativity at bottom is poor, and astigmatism is poor, it is difficult to meet the needs of future market.
The research of conducting polymer is started late, but rely on its good characteristic and its potential application, conducting polymer by
Researcher is generally concerned about.Poly- 3,4- ethene dioxythiophene-polystyrolsulfon acid (PEDOT:PSS) is used as polythiophene system
Derivative, have stronger film forming ability, higher transmitance, stability and excellent conductivity (reachable through overdoping
1000S/cm), with metal phase ratio, PEDOT:PSS solution possess conductivity adjustable extent is wide, be able to carry out solution working process,
The advantages that density is small.The method that the prior art mainly prepares conductive elastomer using PEDOT:PSS solution, be first prepare one can
The elastic substrates of stretching, then by printing or coating method, the PEDOT:PSS solution transfer that only secondary doping is crossed exists
On elastic substrates surface, the flexible and transparent composite guide to be formed and be made of PEDOT:PSS solution/elastic substrates is formed by heat cure
Electric elastomer.There are four deficiencies, one, PEDOT:PSS solution surface tension with higher itself, in advance to bullet for this technology
When property substrate is surface-treated, different elastic materials needs different processing modes, brings additional technological difficulties；Two,
Prepared PEDOT:PSS/ elastic substrates conductive elastomer during stretching, due to the two stress mismatch, leads to PEDOT:
The part PSS is broken in advance, causes the conduction defect of conductive elastomer；Three, simple secondary doping is not enough to improve PEDOT:PSS
The applicability of solution；Four, the prior art can only simply be applied to conductive elastomer preparation, it is difficult to realize the conductor of labyrinth
Processing, may not apply to the fields such as 3D printing.Therefore need to explore a kind of transparent composite conducting elastomer of novel flexible, it both can be with
Guarantee good translucency, electric conductivity and draftability, and can be manufactured at low cost with, meets the requirement of long-run development prospect.
Summary of the invention
The object of the present invention is to provide a kind of flexible and transparent composite conducting method for producing elastomers, solve existing flexibility
The problem of electronic manufacture material, binding ability is poor between high molecular polymer and conductive materials, adaptability to changes mismatch.
The technical scheme adopted by the invention is that a kind of flexible and transparent composite conducting method for producing elastomers, specific to walk
It is rapid as follows:
Step 1 is thermally cured agent or photoinitiator is mixed with high molecular polymer, stirring at normal temperature, obtains transparent high score
Sub- polymer sol；
Step 2, addition secondary doping agent adds dopant three times, stirs after mixing evenly in PEDOT:PSS solution
It mixes to fully reacting, obtains doping PEDOT:PSS solution；
Step 2 doping PEDOT:PSS obtained is added in step 3, the transparent polymer polymer sol for forming step 1
In solution, stirring at normal temperature to uniform state obtains miscible colloidal sol, after vacuum defoamation, miscible colloidal sol is uniformly coated on poly- to benzene
In dioctyl phthalate second diester mold, with thermal curing agents corresponding with step 1 or photoinitiator solidification demoulding to get flexible and transparent
Composite conducting elastomer.
The features of the present invention also characterized in that
The mass ratio that thermal curing agents or photoinitiator and high molecular polymer are pressed in step 1 is (1-50): 1000 ratio
Example, is thermally cured agent or photoinitiator is mixed with high molecular polymer.
In step 2 by secondary doping agent, three times dopant, PEDOT:PSS solution mass ratio be (1-50): (1-10):
1000 ratio, by secondary doping agent and three times dopant successively with PEDOT:PSS solution mixing and doping, obtain doping PEDOT:
PSS solution；
The mass ratio that doping PEDOT:PSS solution and transparent polymer polymer sol are pressed in step 3 is (200-1000):
1000 ratio, is mixed.
High molecular polymer is dimethyl silicone polymer, polyurethane, aqueous polyurethane, poly-methyl methacrylate in step 1
One of ester, polyolefin, polyethylene glycol, polyethylene oxide and polyvinyl alcohol are a variety of；
Thermal curing agents or photoinitiator are benzoyl peroxide, azo-bis-isobutyl cyanide, isopropylbenzene peroxide in the step 1
Change one of hydrogen, dialkyl, benzophenone, diphenylethan, ammonium persulfate, benzoin ethyl ether or a variety of.
Secondary doping agent is divided into high boiling point polar organic solvent and two kinds of functional ionic liquids in step 2；
High boiling point polar organic solvent be ethylene glycol, dimethyl sulfoxide, tetrahydrofuran, glycerine, n-butanol, triethylamine,
One of D-sorbite is a variety of；
Functional ionic liquids be 1- vinyl -3- ethyl imidazol(e) dintrile amine salt, four cyanogen borate of 1- ethyl -3- methyl,
4- (3- butyl -1- imidazole radicals) -1- fourth sulfonic acid triflate, poly- (1- vinyl -3- amine propyl imidazole nitrate), 1- fourth
In base -3- methylimidazole octyl sulfate, 4- (3- butyl -1- imidazole radicals) -1- butane sulfonate and dodecyl benzene sulfonate
It is one or more.
Dopant is anionic surfactant three times in step 2, and anionic surfactant Zonyl, Qula lead to X-
100, poly- (dimethyl siloxane-b- ethylene oxide), neopelex, octadecyl benzenesulfonic acid sodium, polyethylene glycol are pungent
One of base phenyl ether is a variety of.
Vacuum degree in step 3 is 1kpa-10kpa, and vacuum defoamation rotary speed parameter is 1500rpm-2500rpm, in step 3
The groove thickness of polyethylene terephthalate mold is 100um-500um.
After being coated in step 3, heat cure demoulding corresponding with step 1 is carried out, heating temperature is 50 DEG C -100 DEG C.
After being coated in step 3, light-initiated demoulding corresponding with step 1 is carried out, light-initiated wavelength is 250nm-420nm.
A kind of flexible and transparent composite conducting elastomer of the present invention specifically has at least the following advantages:
(1) through chemical doping PEDOT:PSS solution in conjunction with high molecular polymer, without preparing elastic substrates in advance,
Without solvent and the conductivity of conductive elastomer can be adjusted
(2) elongation strain of flexible and transparent composite conducting elastomer can reach 100%, and stretching will not damage, still
Conductive energy, and its stability will not influence by long-time multi-drawing and bending.
(3) there is wide applicability, flexible and transparent composite conducting method for producing elastomers is easy to operate for this, is easy to control
System, required equipment are simple, can be mass produced, and can be applied to and printing technology and 3D printing, the flexible and transparent composite conducting
Elastomer can be used for preparing strain gauge, wearable electronic, electronic skin, flexible display, flexible RFID label, drawing
Stretch circuit board, thin-film solar cells.
Specific embodiment
A kind of flexible and transparent composite conducting method for producing elastomers, the specific steps are as follows:
It step 1, is (1-50): 1000 ratio in the mass ratio of curing agent or photoinitiator and high molecular polymer,
It is thermally cured agent or photoinitiator and high molecular polymer is configured to solvent, can be drawn by chemical polymerization and physical blending formation
The solvent for sending out transparent is stirred until homogeneous state under room temperature, obtains transparent polymer polymer sol；
Wherein, high molecular polymer be dimethyl silicone polymer, polyurethane, aqueous polyurethane, polymethyl methacrylate,
One of polyolefin, polyethylene glycol, polyethylene oxide and polyvinyl alcohol are a variety of；
Thermal curing agents or photoinitiator are benzoyl peroxide, azo-bis-isobutyl cyanide, isopropyl benzene hydroperoxide, peroxidating
One of dialkyl group, benzophenone, diphenylethan, ammonium persulfate, benzoin ethyl ether are a variety of；
Step 2, by secondary doping agent, three times dopant, PEDOT:PSS solution mass ratio be (1-50): (1-10):
Secondary doping agent is first added in 1000 ratio in PEDOT:PSS solution, and long agitation adds dopant three times, stirring
To fully reacting, doping PEDOT:PSS solution is obtained；
Wherein, secondary doping agent is divided into high boiling point polar organic solvent and two kinds of functional ionic liquids.High boiling point polar
Organic solvent be one of ethylene glycol, dimethyl sulfoxide, tetrahydrofuran, glycerine, n-butanol, triethylamine, D-sorbite or
It is a variety of；Functional ionic liquids are 1- vinyl -3- ethyl imidazol(e) dintrile amine salt, four cyanogen borate of 1- ethyl -3- methyl, 4-
(3- butyl -1- imidazole radicals) -1- fourth sulfonic acid triflate, poly- (1- vinyl -3- amine propyl imidazole nitrate), 1- fourth
In base -3- methylimidazole octyl sulfate, 4- (3- butyl -1- imidazole radicals) -1- butane sulfonate and dodecyl benzene sulfonate
One kind and it is a variety of；
Dopant is anionic surfactant three times, anionic surfactant Zonyl, triton x-100, is gathered
(dimethyl siloxane-b- ethylene oxide), neopelex, octadecyl benzenesulfonic acid sodium, polyethylene glycol octyl phenyl
One of ether；
In step 2, by secondary doping agent and three times, dopant is successively doped into PEDOT:PSS solution with certain proportion
In mode, to adjust the conductivity and mechanical property of PEDOT:PSS solution, completely react, obtain doping PEDOT:PSS it is molten
Liquid, the composite conductive polymer with high conductivity；
Step 3, step 2 doping PEDOT:PSS obtained is added in transparent polymer polymer sol step 1 formed
It is (200-1000): 1000 ratio by the mass ratio of doping PEDOT:PSS solution and transparent polymer polymer sol in solution
, it is stirred until homogeneous state under room temperature, under 1kpa-10kpa vacuum degree, revolving speed takes off under conditions of being 1500rpm-2500rpm
Miscible colloidal sol after deaeration is uniformly poured on the polyethylene terephthalate mold that groove thickness is 100um-500um by bubble,
It is coated, after coating completely, carrying out temperature is 50 DEG C -100 DEG C of heating, or with light-initiated wavelength is 250nm-420nm
Cause solidification demoulding to get flexible and transparent composite conducting elastomer.
In the preparation, preparing first can light or the transparent high score of heat initiation for a kind of flexible and transparent composite conducting elastomer of the present invention
Sub- polymer sol, then it is mixed with doping PEDOT:PSS solution, deaeration coating is finally carried out, uses up or heat causes
Solidify demoulding to get the flexible and transparent composite conducting elastomer improved to conductivity and mechanical property.
The present invention is described in detail With reference to embodiment.
Embodiment 1
A kind of preparation step of flexible and transparent composite conducting elastomer disclosed in the present embodiment is as follows:
It (1) can the hot preparation for causing transparent polymer polymer sol；
It by dimethyl silicone polymer and benzoyl peroxide, is added in beaker by the mass ratio of 1000:1, is used under room temperature
After magnetic stirrer 15min, 1h is stood, transparent polymer polymer sol is obtained；
Benzoyl peroxide in step can be substituted for isopropyl benzene hydroperoxide.
(2) preparation of PEDOT:PSS solution is adulterated；
Dimethyl sulfoxide and zonyl are successively added in PEDOT:PSS solution, by dimethyl sulfoxide, zonyl,
The mass ratio of PEDOT:PSS solution is 1:1:1000, and magnetic agitation 1h under room temperature obtains doping PEDOT until reaction completely:
PSS solution；
Dimethyl sulfoxide can be replaced one of n-butanol, triethylamine, D-sorbite or a variety of in this step；zonyl
It can be replaced one of neopelex, octadecyl benzenesulfonic acid sodium, Triton X-100.
(3) preparation of flexible and transparent composite conducting elastomer；
The doping PEDOT:PSS solution that step (2) are formed, the dimethyl silicone polymer for being added to step (1) formation are molten
In glue, doping PEDOT:PSS solution and dimethyl silicone polymer colloidal sol mass ratio are 200:1000, and magnetic agitation is to equal under room temperature
Even state stands 0.5h, the 2000rpm under 1kpa vacuum degree, vacuum defoamation 20min, after deaeration, by miscible colloidal sol even spread
In polyethylene terephthalate mold groove, after coating completely at 80 DEG C heating in vacuum 1h, heating in vacuum at 100 DEG C
1h obtains the film-form flexible and transparent composite conducting elastomer of excellent in mechanical performance after cooling；
(4) application of flexible and transparent composite conducting elastomer；
The light transmittance of the flexible and transparent composite conducting elastomer of above-mentioned preparation is greater than 60%, conductivity 8S/cm, square electricity
Resistance is 50 Ω/sq, and elongation strain 75%, level of stretch is changed linearly with conductivity, can be used for preparing strain gauge, soft
Property display.
Embodiment 2
A kind of flexible and transparent composite conducting elasticity preparation step disclosed in the present embodiment is as follows:
(1) can light-initiated transparent polymer polymer sol preparation；
Polyolefin and benzophenone are added in beaker with the mass ratio of 1000:13, stirred under room temperature with magnetic stirring apparatus
After mixing 15min, 1h is stood, transparent polymer polymer sol is obtained；
Benzophenone in step alternatively at diphenylethan, benzoin ethyl ether it is one or more.
(2) preparation of PEDOT:PSS solution is adulterated；
Dimethyl sulfoxide and poly- (dimethyl siloxane-b- ethylene oxide) are successively added in PEDOT:PSS solution, two
Methyl sulfoxide, poly- (dimethyl siloxane-b- ethylene oxide), PEDOT:PSS solution mass ratio be 13:3:1000, room temperature
Lower magnetic agitation 1h obtains doping PEDOT:PSS solution until reaction completely；
Dimethyl sulfoxide can be replaced tetrahydrofuran, glycerine, n-butanol, triethylamine, one in D-sorbite in step
Kind is a variety of；Poly- (dimethyl siloxane-b- ethylene oxide) can be replaced triton x-100, octadecyl benzenesulfonic acid sodium, poly- second
One of glycol octyl phenyl ether is a variety of.
(3) preparation of flexible and transparent composite conducting elastomer；
The doping PEDOT:PSS solution that step (2) are formed is added in the polyolefin colloidal sol of step (1) formation, doping
PEDOT:PSS solution and polyolefin mass ratio are 400:1000, and magnetic agitation stands 0.5h to uniform state under room temperature,
2000rpm vacuum defoamation 20min under 1kpa vacuum degree, is uniformly coated on polyethylene terephthalate mold groove after deaeration
In, it is irradiated one hour under 255nm ultraviolet light after coating completely, obtains the film-form flexible and transparent composite guide of excellent in mechanical performance
Electric elastomer；
(4) application of flexible and transparent composite conducting elastomer；
The light transmittance of the flexible and transparent composite conducting elastomer of above-mentioned preparation is greater than 70%, conductivity 8S/cm, square electricity
Resistance is 30 Ω/sq, and elongation strain 100%, level of stretch is changed linearly with conductivity, can be used for preparing flexible RFID mark
Label.
Embodiment 3
A kind of flexible and transparent composite conducting elasticity preparation step disclosed in the present embodiment is as follows:
It (1) can the hot preparation for causing transparent polymer polymer sol；
It by aqueous polyurethane and azodiisobutyronitrile with the mass ratio of 1000:25, is added in beaker, uses magnetic force under room temperature
After blender stirs 15min, 1h is stood, transparent polymer polymer sol, aqueous polyurethane colloidal sol are obtained；
It is the replaceable generating polyurethane of aqueous polyurethane, polymethyl methacrylate, polyolefin, polyethylene glycol in step, poly-
One of ethylene oxide and polyvinyl alcohol are a variety of；
(2) preparation of PEDOT:PSS solution is adulterated；
Ethylene glycol and triton x-100 are successively added in PEDOT:PSS solution, by ethylene glycol, triton x-100,
The mass ratio of PEDOT:PSS solution is 25:5:1000, and magnetic agitation 1h under room temperature is adulterated until reaction completely
PEDOT:PSS solution；
In step ethylene glycol can be replaced one of tetrahydrofuran, glycerine, n-butanol, triethylamine, D-sorbite or
It is a variety of；Triton x-100 can be replaced one of octadecyl benzenesulfonic acid sodium, Triton X-100 or a variety of.
(3) preparation of flexible and transparent composite conducting elastomer；
The doping PEDOT:PSS solution that step (2) are formed is added in the aqueous polyurethane colloidal sol of step (1) formation,
It adulterates PEDOT:PSS solution and aqueous polyurethane colloidal sol mass ratio is 600:1000, doping PEDOT:PSS solution is added dropwise to
In the aqueous polyurethane colloidal sol being stirred continuously, magnetic agitation stands 0.5h, under 1kpa vacuum degree to uniform state under room temperature
2000rpm vacuum defoamation 15min, is uniformly coated in polyethylene terephthalate mold groove after deaeration, after coating completely
The heating in vacuum 1h at 50 DEG C, heating in vacuum 1h at 65 DEG C, the film-form flexible and transparent that excellent in mechanical performance is obtained after cooling are multiple
Close conductive elastomer；
(4) application of flexible and transparent composite conducting elastomer；
The light transmittance of the flexible and transparent composite conducting elastomer of above-mentioned preparation is greater than 70%, conductivity 2S/cm, square electricity
Resistance is 74 Ω/sq, and elongation strain 88%, level of stretch is changed linearly with conductivity, can be used for preparing strain gauge, soft
Property display.
Embodiment 4
A kind of flexible and transparent composite conducting elasticity preparation step disclosed in the present embodiment is as follows:
It (1) can the hot preparation for causing transparent polymer polymer sol；
It by polymethyl methacrylate and ammonium persulfate with the mass ratio of 1000:38, is added in beaker, uses magnetic under room temperature
After power blender stirs 15min, 1h is stood, transparent polymer polymer sol, polymethyl methacrylate colloidal sol are obtained；
Polymethyl methacrylate in this step can be replaced dimethyl silicone polymer, polyurethane, aqueous polyurethane
It is one or more.
(2) preparation of PEDOT:PSS solution is adulterated；
Tetrahydrofuran and neopelex are successively added in PEDOT:PSS solution, by tetrahydrofuran, 12
Sodium alkyl benzene sulfonate, PEDOT:PSS solution mass ratio be 38:8:1000, magnetic agitation 1h under room temperature until completely reaction,
Obtain doping PEDOT:PSS solution；
Tetrahydrofuran can be replaced glycerine, n-butanol, triethylamine, 4- (3- butyl -1- imidazole radicals) -1- fourth in this step
Sulfonic acid triflate, poly- (1- vinyl -3- amine propyl imidazole nitrate), 1- butyl -3- methylimidazole octyl sulfate,
4- (3- butyl -1- imidazole radicals) one of -1- butane sulfonate and dodecyl benzene sulfonate and a variety of.
(3) preparation of flexible and transparent composite conducting elastomer；
The doping PEDOT:PSS solution that step (2) are formed is added to the polymethyl methacrylate of step (1) formation
In colloidal sol, adulterates PEDOT:PSS solution and polymethyl methacrylate colloidal sol mass ratio is 800:1000, PEDOT will be adulterated:
PSS solution is added dropwise in the polymethyl methacrylate colloidal sol being stirred continuously, under room temperature magnetic agitation to uniform state,
0.5h is stood, the 2000rpm vacuum defoamation 15min under 1kpa vacuum degree is uniformly coated on poly terephthalic acid second two after deaeration
In ester mold groove, heating in vacuum 1h, heating in vacuum 2h at 80 DEG C obtain mechanical property after cooling at 70 DEG C after coating completely
Excellent film-form flexible and transparent composite conducting elastomer；
(4) application of flexible and transparent composite conducting elastomer；
The light transmittance of the flexible and transparent composite conducting elastomer of above-mentioned preparation is greater than 70%, conductivity 4S/cm, square electricity
Resistance is 65 Ω/sq, and elongation strain 50%, level of stretch is changed linearly with conductivity, can be used for preparing stretching circuit board.
Embodiment 5
A kind of flexible and transparent composite conducting elasticity preparation step disclosed in the present embodiment is as follows:
It (1) can the hot preparation for causing transparent polymer polymer sol；
Polyethylene glycol and dialkyl are added in beaker with the mass ratio of 1000:50, use magnetic agitation under room temperature
After device stirs 15min, 1h is stood, transparent polymer polymer sol, polyethylene glycol colloidal sol are obtained；
One of the replaceable generating polyurethane polyethylene oxide of polyethylene glycol and polyvinyl alcohol in this step are a variety of.
(2) preparation of PEDOT:PSS solution is adulterated；
D-sorbite and poly- (dimethyl siloxane-b- ethylene oxide) are successively added in PEDOT:PSS solution, by mountain
Pears sugar alcohol, poly- (dimethyl siloxane-b- ethylene oxide), PEDOT:PSS solution mass ratio be 50:10:1000, under room temperature
Magnetic agitation 1h obtains doping PEDOT:PSS solution until reaction completely；
D-sorbite is alternatively at 1- vinyl -3- ethyl imidazol(e) dintrile amine salt, four cyanogen boron of 1- ethyl -3- methyl in step
Hydrochlorate, 4- (3- butyl -1- imidazole radicals) -1- fourth sulfonic acid triflate, poly- (1- vinyl -3- amine propyl imidazole nitrate)
It is one or more；
Poly- (dimethyl siloxane-b- ethylene oxide) is alternatively at Zonyl, triton x-100, dodecyl benzene sulfonic acid
One of sodium, octadecyl benzenesulfonic acid sodium, Triton X-100 are a variety of.
(3) preparation of flexible and transparent composite conducting elastomer；
The doping PEDOT:PSS solution that step (2) are formed is added in the polyethylene glycol colloidal sol of step (1) formation, is mixed
Miscellaneous PEDOT:PSS solution and polyethylene glycol colloidal sol mass ratio are 1000:1000, and doping PEDOT:PSS solution is added dropwise, constantly
In the polymethyl methacrylate colloidal sol of stirring, magnetic agitation stands 1h, under 1kpa vacuum degree to uniform state under room temperature
2000rpm vacuum defoamation 15min, is uniformly coated in polyethylene terephthalate mold groove after deaeration, after coating completely
The heating in vacuum 1h at 60 DEG C, heating in vacuum 2h at 70 DEG C, the film-form flexible and transparent that excellent in mechanical performance is obtained after cooling are multiple
Close conductive elastomer；
(4) application of flexible and transparent composite conducting elastomer；
The light transmittance of the flexible and transparent composite conducting elastomer of above-mentioned preparation is greater than 70%, conductivity 3S/cm, square electricity
Resistance is 70 Ω/sq, and elongation strain 80%, level of stretch is changed linearly with conductivity, can be used for preparing stretching circuit board.
Claims (10)
1. a kind of flexible and transparent composite conducting method for producing elastomers, which is characterized in that specific step is as follows:
Step 1 is thermally cured agent or photoinitiator is mixed with high molecular polymer, stirring at normal temperature, and it is poly- to obtain transparent polymer
Close object colloidal sol；
Secondary doping agent is added in step 2 in PEDOT:PSS solution, after mixing evenly, adds dopant three times, stirring is extremely
Fully reacting obtains doping PEDOT:PSS solution；
Step 2 doping PEDOT:PSS solution obtained is added in step 3, the transparent polymer polymer sol for forming step 1
In, stirring at normal temperature to uniform state obtains miscible colloidal sol, and after vacuum defoamation, miscible colloidal sol is uniformly coated on poly- terephthaldehyde
It is compound to get flexible and transparent with thermal curing agents corresponding with step 1 or photoinitiator solidification demoulding in sour second diester mold
Conductive elastomer.
2. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
In step 1 in the mass ratio of thermal curing agents or photoinitiator and high molecular polymer be (1-50): 1000 ratio, by thermosetting
Agent or photoinitiator are mixed with high molecular polymer.
3. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
In step 2 by secondary doping agent, three times dopant, PEDOT:PSS solution mass ratio be (1-50): (1-10): 1000 ratio
Example, by secondary doping agent and three times dopant successively with PEDOT:PSS solution mixing and doping, obtain adulterate PEDOT:PSS solution.
4. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
The mass ratio that doping PEDOT:PSS solution and transparent polymer polymer sol are pressed in step 3 is (200-1000): 1000 ratio
Example, is mixed.
5. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
High molecular polymer is dimethyl silicone polymer, polyurethane, aqueous polyurethane, polymethyl methacrylate, polyene in step 1
One of hydrocarbon, polyethylene glycol, polyethylene oxide and polyvinyl alcohol are a variety of；
Thermal curing agents or photoinitiator are benzoyl peroxide, azo-bis-isobutyl cyanide, isopropylbenzene peroxidating in the step 1
One of hydrogen, dialkyl, benzophenone, diphenylethan, ammonium persulfate, benzoin ethyl ether are a variety of.
6. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
Secondary doping agent is divided into high boiling point polar organic solvent and two kinds of functional ionic liquids in step 2；
High boiling point polar organic solvent is ethylene glycol, dimethyl sulfoxide, tetrahydrofuran, glycerine, n-butanol, triethylamine, sorb
One of sugar alcohol is a variety of；
Functional ionic liquids are 1- vinyl -3- ethyl imidazol(e) dintrile amine salt, four cyanogen borate of 1- ethyl -3- methyl, 4- (3-
Butyl -1- imidazole radicals) -1- fourth sulfonic acid triflate, poly- (1- vinyl -3- amine propyl imidazole nitrate), 1- butyl -3-
Methylimidazole octyl sulfate, 4- (3- butyl -1- imidazole radicals) one of -1- butane sulfonate and dodecyl benzene sulfonate
Or it is a variety of.
7. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
Dopant is anionic surfactant, anionic surfactant Zonyl, triton x-100, poly- (two three times in step 2
Methylsiloxane-b- ethylene oxide), neopelex, octadecyl benzenesulfonic acid sodium, in Triton X-100
It is one or more.
8. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
Vacuum degree in step 3 is 1kpa-10kpa, and vacuum defoamation rotary speed parameter is 1500rpm-2500rpm, poly- pair in the step 3
The groove thickness of polyethylene terephthalate mold is 100um-500um.
9. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that described
After being coated in step 3, heat cure demoulding corresponding with step 1 is carried out, heating temperature is 50 DEG C -100 DEG C.
10. a kind of flexible and transparent composite conducting method for producing elastomers according to claim 1, which is characterized in that institute
It states after being coated in step 3, carries out light-initiated demoulding corresponding with step 1, light-initiated wavelength is 250nm-420nm.
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| CN110218351A (en) * | 2019-05-24 | 2019-09-10 | 武汉工程大学 | A kind of thermal electric film and preparation method thereof with optical grating construction |
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| CN113201244A (en) * | 2021-04-30 | 2021-08-03 | 桂林理工大学 | Dopant, preparation method, application and functionalized emulsion paint thereof |
| CN113201244B (en) * | 2021-04-30 | 2022-07-01 | 桂林理工大学 | Dopant, preparation method, application and functionalized emulsion paint thereof |
| CN113402732A (en) * | 2021-05-20 | 2021-09-17 | 北京脑陆科技有限公司 | Preparation method of conductive hydrogel |
| CN113638128A (en) * | 2021-08-13 | 2021-11-12 | 大连理工大学 | Preparation method of thin film material capable of realizing temperature and strain dual-function self-driven sensing |
| CN115612133A (en) * | 2022-09-21 | 2023-01-17 | 天津大学 | Preparation method of PEDOT PSS film with good stretchability and conductivity |
| CN115612133B (en) * | 2022-09-21 | 2024-02-27 | 天津大学 | Preparation method of PEDOT (polyether-ether-ketone) PSS (poly-styrene-ethylene-styrene) film with good stretchability and conductivity |
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