CN109909124A - A kind of preparation method of perfluorinated sulfonic acid artificial-muscle - Google Patents
A kind of preparation method of perfluorinated sulfonic acid artificial-muscle Download PDFInfo
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- CN109909124A CN109909124A CN201910225872.0A CN201910225872A CN109909124A CN 109909124 A CN109909124 A CN 109909124A CN 201910225872 A CN201910225872 A CN 201910225872A CN 109909124 A CN109909124 A CN 109909124A
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- nafion membrane
- nafion
- sulfonic acid
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Abstract
The invention discloses a kind of preparation methods of perfluorinated sulfonic acid artificial-muscle, include the following steps: the pretreatment process of 1, Nafion membrane；2, the preparation process of electrode；3, the ion exchange process of Nafion membrane.The manufacturing cycle of perfluorinated sulfonic acid artificial-muscle of the present invention shortens 80%, and cost reduces 30%, and still keeps excellent performance, under 10V voltage, the largest deformation displacement of Nafion membrane is 6.9mm, and perfluorinated sulfonic acid manipulator maximum can grab the weight of 8g, is 20 times of self weight.
Description
Technical field
The present invention relates to novel intelligent field of material technology, in particular to a kind of preparation side of perfluorinated sulfonic acid artificial-muscle
Method.
Background technique
Artificial-muscle is a kind of new material with driveability, and artificial-muscle has air-driven type people earlier for development at present
Work muscle and hydraulic artificial-muscle, both artificial-muscles are by being filled with or gas bleeding or liquid are to generate biggish drive
Power, however, both artificial-muscles are required to the biggish load of volume, such as air pump, liquid pump, this significantly impacts artificial muscle
Meat it is light, in terms of demand, limit the practical application of artificial-muscle.
In the recent decade, a series of birth of intellectual materials provides new development opportunity for the research of artificial-muscle.Intelligence
Energy material refers to that material can produce the material of variation under by environmental stimuli (such as light, heat, power, electricity, magnetic), these variations
The variation etc. of variation, color including material shape.Wherein, the one kind of electroactive polymer as intellectual material, can be in electricity
The deformation of various complexity is presented under stimulation, for example, bending, extension, twisting, contraction etc., and they have preferable biofacies
Capacitive, very close real meat fiber, therefore have biggish application prospect on artificial-muscle.
Electroactive polymer is divided into electron type electroactive polymer and ionic electroactive polymer.Wherein, electron type electricity
Living polymer needs could generate deformation under the voltage of higher (about several kilovolts), have security risk, therefore be not suitable for answering
For in artificial-muscle.Ionic electroactive polymer is made of two electrodes and amberplex, in lower voltage
Under, Ion transfer or peptizaiton can induced material bend deformation.Wherein, ion polymer-metal compound
(IPMC) it can generate biggish displacement deformation under lower driving voltage, and its energy density height, light quality, be easy
Processing is cut out, therefore is highly suitable for the exploitation of artificial-muscle.Perfluorinated sulfonic acid (Nafion) amberplex is a kind of typical
IPMC, when applying voltage to Nafion membrane, the cation in film can be to movable cathode, while hydrone being driven to move to cathode
It is dynamic, make cathode swelling and anode shrinks, film is generated to the curved deformation of anode.
Currently, the artificial thews material based on Nafion membrane needs to be related to complicated plating or chemically plating for metal electricity
The process of pole, costly and time consuming, this seriously inhibits the application of Nafion artificial-muscle and development.In order to reduce Nafion people
The preparation cost of work muscle shortens preparation time, and the present invention is using the method for brushing conducting resinl, in Nafion amberplex table
Face is prepared for fine and close electrode, and Nafion artificial-muscle can generate biggish Curved under lower operating voltage
Become, the fastest response time was less than 0.1 second.
Summary of the invention
Research purpose of the invention is to reduce the preparation cost of Nafion artificial-muscle, shortening preparation time, and provides
A kind of preparation method of perfluorinated sulfonic acid artificial-muscle.The present invention is a kind of method for brushing electrode, selects cheap conductive silver glue
With conductive carbon paste, a kind of high-performance perfluorinated sulfonic acid artificial-muscle is prepared.
A kind of preparation method of perfluorinated sulfonic acid artificial-muscle provided by the invention, comprising the following steps:
One, the pretreatment process of Nafion membrane
Commercialized Nafion amberplex is selected, i.e., (thickness 190 is micro- for the Nafion117 film of E.I.Du Pont Company's production
Rice), cut growth 50mm, the rectangle of wide 20mm；
Transparent Nafion membrane is immersed in the aqueous hydrogen peroxide solution that 50mL mass fraction is 5% 4 hours, then will
Nafion membrane impregnates heating in deionized water and boils 1 hour, and then, Nafion film, which is immersed in 50mL mass fraction, is
4 hours in 5% sulfuric acid solution, Nafion membrane is then impregnated into heating in deionized water and is boiled 1 hour；
After pre-treatment, Nafion film fully water absorption and swelling, and show soft transparence；
Two, the preparation process of electrode
The conductive silver glue and conductive carbon paste for selecting the production of U.S. SPI company, by brushing the method for electrode in Nafion membrane
Surface prepares silver electrode or carbon electrode；
1, silver electrode
The Nafion membrane for having carried out pre-treatment is placed in 60 DEG C of vacuum oven 2 hours, removes Nafion membrane surface
Hydrone, Nafion membrane is placed in two pieces of glass plates, is flattened；
After SPI conductive silver glue is rocked uniformly, after dipping a small amount of conductive silver glue with tack hairbrush, uniformly brush in Nafion
Second layer conductive silver glue is uniformly brushed after 10 minutes conductive silver glues solidify in the surface of film with hairbrush again, wait 10 minutes to
It is fully cured.
Using the above method, conductive silver glue is brushed as silver electrode on the surface of the Nafion membrane other side, and completely to it
Solidification；
2, carbon electrode
The Nafion membrane for having carried out pre-treatment is placed in 60 DEG C of vacuum oven 2 hours, removes Nafion membrane surface
Hydrone, Nafion membrane is placed in two pieces of glass plates, is flattened；
After SPI conduction carbon paste is rocked uniformly, after dipping a small amount of conductive carbon paste with tack hairbrush, uniformly brush in Nafion
Second layer conduction carbon paste is uniformly brushed after conductive carbon adhesive curing in 20 minutes in the surface of film with hairbrush again, wait 20 minutes to
It is fully cured, and finally uniformly brushes third layer conduction carbon paste with hairbrush again, waits be fully cured to it within 20 minutes；
Using the above method, conductive carbon paste is brushed as carbon electrode on the surface of the Nafion membrane other side, and completely to it
Solidification；
3, the ion exchange process of Nafion membrane
Nafion membrane brushed with electrode is placed in 80 DEG C of vacuum oven and is dried 2 hours, except the water in striping
Molecule；Then Nafion membrane is impregnated into abundant water absorption and swelling in deionized water, Nafion membrane is finally immersed in the chlorine of saturation
Change in lithium aqueous solution 24 hours, carries out sufficient lithium ion exchanged, make to be sufficiently displaced from Nafion amberplex into positive monovalence
Lithium ion；
Perfluorinated sulfonic acid artificial-muscle prepared by the present invention is to pass through cost using perfluorinated sulfonic acid ion exchange membrane as matrix
The method of cheap brushing electrode prepares uniform electrode, perfluorinated sulfonic acid artificial muscle prepared by the present invention on Nafion membrane surface
Meat can generate apparent Bending Deformation under the voltage of 2V；Under 8V voltage, the maximum change in perfluorinated sulfonic acid artificial-muscle tip
Shape angle is assembled into manipulator up to 50 °, by perfluorinated sulfonic acid artificial-muscle, and the weight of 20 times of self weight can be picked up under 8V voltage,
The perfluorinated sulfonic acid artificial-muscle has broad application prospects in fields such as robot driver, sensor, artificial muscle artificial limbs
And application value.
Beneficial effects of the present invention:
Perfluorinated sulfonic acid artificial thews material provided by the invention leads to using commercialized Nafion amberplex as substrate
The method for brushing electrode is crossed, brushes conductive silver glue or conductive carbon paste on Nafion membrane surface, and form electrode uniformly, fine and close,
Compared with the method for traditional plating and chemical plating, method provided by the invention is guaranteeing perfluorinated sulfonic acid artificial-muscle driveability
While, the manufacturing cycle of perfluorinated sulfonic acid artificial-muscle is shortened 80%, cost reduces 30%.
Detailed description of the invention
Fig. 1 is the change curve the present invention is based on the perfluorinated sulfonic acid artificial-muscle maximum displacement of silver electrode with voltage.
Fig. 2 is that the present invention is based on the perfluorinated sulfonic acid artificial-muscles of silver electrode under the different operating voltage of 0.1Hz, film tip
Displacement versus time curve.
Fig. 3 is the change curve the present invention is based on the perfluorinated sulfonic acid artificial-muscle maximum displacement of carbon electrode with voltage.
Fig. 4 is that the present invention is based on the perfluorinated sulfonic acid artificial-muscles of carbon electrode under the different operating voltage of 0.1Hz, film tip
Displacement versus time curve.
Fig. 5 is perfluorinated sulfonic acid manipulator crawl of the present invention and the operation schematic diagram for putting down object.
Specific embodiment
A kind of preparation method of perfluorinated sulfonic acid artificial-muscle, experiment material requested include:
Nafion117 film (E.I.Du Pont Company), SPI conductive silver glue (43wt%, 10mL), SPI conduction carbon paste (40wt%,
10mL), deionized water 500mL, hydrogen peroxide (30wt%, 20mL), the concentrated sulfuric acid (98wt%, 1mL), lithium chloride (purity 99%,
10g)；
Example one
Select SPI conductive silver glue as follows as the preparation step of electrode:
One, the pretreatment process of Nafion membrane
Commercialized Nafion amberplex is selected, i.e., (thickness 190 is micro- for the Nafion117 film of E.I.Du Pont Company's production
Rice), cut growth 50mm, the rectangle of wide 20mm.
Transparent Nafion membrane is immersed in the aqueous hydrogen peroxide solution that 50mL mass fraction is 5% 4 hours, then will
Nafion membrane impregnates heating in deionized water and boils 1 hour.Later, Nafion film is immersed in 50mL mass fraction is
4 hours in 5% sulfuric acid solution, Nafion membrane is then impregnated into heating in deionized water and is boiled 1 hour.
After pre-treatment, Nafion film fully water absorption and swelling, and show soft transparence.
Two, the preparation process of electrode
The conductive silver glue for selecting the production of U.S. SPI company prepares silver on Nafion membrane surface by the method for brushing electrode
Electrode；
1, the Nafion membrane for having carried out pre-treatment is placed in 60 DEG C of vacuum oven 2 hours, removes Nafion membrane table
Nafion membrane is placed in two pieces of glass plates, is flattened by the hydrone in face；
2, by SPI conductive silver glue rock uniformly after, after dipping a small amount of conductive silver glue with tack hairbrush, uniformly brush in
Second layer conductive silver glue is uniformly brushed after 10 minutes conductive silver glues solidify in the surface of Nafion membrane with hairbrush again, waits 10
Minute is fully cured to it；
3, using the above method, conductive silver glue is brushed as silver electrode on the surface of the Nafion membrane other side, and complete to its
All solidstate.
Three, the ion exchange process of Nafion membrane
Nafion membrane brushed with silver electrode is placed in 80 DEG C of vacuum oven and is dried 2 hours, except in striping
Hydrone；Then Nafion membrane is impregnated into abundant water absorption and swelling in deionized water, Nafion membrane is finally immersed in saturation
24 hours in water lithium chloride solution, sufficient lithium ion exchanged is carried out, makes to be sufficiently displaced from Nafion amberplex into positive one
The lithium ion of valence.
Can be obtained by SEM scanning electron microscope analysis, perfluorinated sulfonic acid artificial-muscle intermediate-ion exchange membrane it is micro- with a thickness of 190
Rice, two sides silver electrode with a thickness of 20 microns, by four probe method test brush silver electrode square resistance, about 100 Ω/
, resistance is lower, and electric conductivity is good；
The square-wave signal with certain frequency and certain bias is applied to perfluorinated sulfonic acid artificial muscle using function generator
In the silver electrode of meat two sides, the displacement at laser displacement test macro detection Nafion membrane tip is utilized.Shown in Fig. 1, illustrate
Nafion membrane is under the voltage of different frequency, the maximum displacement at film tip and the relationship for applying voltage swing, as seen from the figure, electricity
When pressure is 0.1Hz ± 10V, the largest deformation displacement at Nafion membrane tip can reach 6.9mm, shown in Fig. 2, illustrate Nafion
Film is under the different operating voltage of 0.1Hz, film tip displacement amount versus time curve, as seen from the figure, Nafion artificial muscle
The deformation of meat has excellent repeatability.
Example two
Select SPI conduction carbon paste as follows as the preparation step of electrode:
One, the pretreatment process of Nafion membrane
Commercialized Nafion amberplex is selected, i.e., (thickness 190 is micro- for the Nafion117 film of E.I.Du Pont Company's production
Rice), cut growth 50mm, the rectangle of wide 20mm；
Transparent Nafion membrane is immersed in the aqueous hydrogen peroxide solution that 50mL mass fraction is 5% 4 hours, then will
Nafion membrane impregnates heating in deionized water and boils 1 hour.Later, Nafion film is immersed in 50mL mass fraction is
4 hours in 5% sulfuric acid solution, Nafion membrane is then impregnated into heating in deionized water and is boiled 1 hour.
After pre-treatment, Nafion film fully water absorption and swelling, and show soft transparence.
Two, the preparation process of electrode
The conductive carbon paste for selecting the production of U.S. SPI company prepares carbon on Nafion membrane surface by the method for brushing electrode
Electrode；
1, the Nafion membrane for having carried out pre-treatment is placed in 60 DEG C of vacuum oven 2 hours, removes Nafion membrane table
Nafion membrane is placed in two pieces of glass plates, is flattened by the hydrone in face；
2, after SPI conduction carbon paste being rocked uniformly, after dipping a small amount of conductive carbon paste with tack hairbrush, uniformly brush in
Second layer conduction carbon paste is uniformly brushed after conductive carbon adhesive curing in 20 minutes in the surface of Nafion membrane with hairbrush again, waits 20
Minute is fully cured to it, finally uniformly brushes third layer conduction carbon paste with hairbrush again, waits be fully cured to it within 20 minutes；
3, using the above method, conductive carbon paste is brushed as carbon electrode on the surface of the Nafion membrane other side, and complete to its
All solidstate；
Three, the ion exchange process of Nafion membrane
Nafion membrane brushed with carbon electrode is placed in 80 DEG C of vacuum oven and is dried 2 hours, except in striping
Then Nafion membrane is impregnated abundant water absorption and swelling in deionized water, Nafion membrane is finally immersed in saturation by hydrone
24 hours in water lithium chloride solution, sufficient lithium ion exchanged is carried out, makes to be sufficiently displaced from Nafion amberplex into positive one
The lithium ion of valence；
Can be obtained by SEM scanning electron microscope analysis, perfluorinated sulfonic acid artificial-muscle intermediate-ion exchange membrane it is micro- with a thickness of 190
Rice, two sides carbon electrode with a thickness of 18 microns, by four probe method test brush carbon electrode square resistance, about 1.2k Ω/
, electric conductivity can satisfy the demand of perfluorinated sulfonic acid artificial-muscle；
The square-wave signal with certain frequency and certain bias is applied to perfluorinated sulfonic acid artificial muscle using function generator
On the carbon electrode of meat two sides, using the displacement at laser displacement test macro detection Nafion membrane tip, shown in Fig. 3, illustrate
Nafion membrane is under the voltage of different frequency, the maximum displacement at film tip and the relationship for applying voltage swing, as seen from the figure, electricity
When pressure is 0.1Hz ± 10V, the largest deformation displacement at Nafion membrane tip is 4.8mm；Shown in Fig. 4, illustrates Nafion membrane and exist
Under the different operating voltage of 0.1Hz, film tip displacement amount versus time curve, as seen from the figure, Nafion artificial-muscle
Deformation has excellent repeatability.
Example three
Perfluorinated sulfonic acid artificial-muscle due to brushing silver electrode shows superior deformational behavior, and 3 silver electrodes are complete
Fluosulfonic acid artificial-muscle is assembled into manipulator as shown in Figure 5, and when voltage opens or closes, manipulator can be made accordingly
The movement for grabbing or putting down object, under 10V voltage, perfluorinated sulfonic acid manipulator maximum can grab the weight of 8g, the matter of weight
Amount is 20 times of perfluorinated sulfonic acid manipulator self weight.
Claims (3)
1. a kind of preparation method of perfluorinated sulfonic acid artificial-muscle, the specific steps are as follows:
One, the pretreatment process of Nafion membrane
Select commercialized Nafion amberplex, i.e. the Nafion117 film of E.I.Du Pont Company's production (190 μm of thickness, by it
Growth 50mm is cut, transparent Nafion membrane is immersed in the hydrogen peroxide that 50mL mass fraction is 5% by the rectangle of wide 20mm
4 hours in aqueous solution, Nafion membrane is then impregnated into heating in deionized water and is boiled 1 hour, later, Nafion film is soaked
It steeps in the sulfuric acid solution that 50mL mass fraction is 5% 4 hours, Nafion membrane is then impregnated into heating in deionized water and is boiled
1 hour, after pre-treatment, Nafion film fully water absorption and swelling, and show soft transparence；
Two, the preparation process of electrode
The conductive silver glue and conductive carbon paste for selecting the production of U.S. SPI company, by brushing the method for electrode on Nafion membrane surface
Prepare silver electrode or carbon electrode；
1) silver electrode
The Nafion membrane for having carried out pre-treatment is placed in 60 DEG C of vacuum oven 2 hours, removes the water on Nafion membrane surface
Nafion membrane is placed in two pieces of glass plates, is flattened by molecule；
After SPI conductive silver glue is rocked uniformly, after dipping a small amount of conductive silver glue with tack hairbrush, uniformly brush in Nafion membrane
Surface solidifies to conductive silver glue after ten minutes, uniformly brushes second layer conductive silver glue with hairbrush again, and waiting 10 minutes complete to its
All solidstate；
Using the above method, conductive silver glue is brushed on the surface of the Nafion membrane other side and is fully cured as silver electrode, and to it；
2) carbon electrode
The Nafion membrane for having carried out pre-treatment is placed in 60 DEG C of vacuum oven 2 hours, removes the water on Nafion membrane surface
Nafion membrane is placed in two pieces of glass plates, is flattened by molecule；
After SPI conduction carbon paste is rocked uniformly, after dipping a small amount of conductive carbon paste with tack hairbrush, uniformly brush in Nafion membrane
Second layer conduction carbon paste is uniformly brushed after conductive carbon adhesive curing in 20 minutes in surface with hairbrush again, and waiting 20 minutes complete to its
All solidstate finally uniformly brushes third layer conduction carbon paste with hairbrush again, waits be fully cured to it within 20 minutes；
Using the above method, conductive carbon paste is brushed on the surface of the Nafion membrane other side and is fully cured as carbon electrode, and to it；
3) ion exchange process of Nafion membrane
Nafion membrane brushed with electrode is placed in 80 DEG C of vacuum oven and is dried 2 hours, except the hydrone in striping,
Then Nafion membrane is impregnated into abundant water absorption and swelling in deionized water, Nafion membrane is finally immersed in the lithium chloride water of saturation
24 hours in solution, carry out sufficient lithium ion exchanged, make to be sufficiently displaced from Nafion amberplex lithium into positive monovalence from
Son.
2. a kind of preparation method of perfluorinated sulfonic acid artificial-muscle according to claim 1, it is characterised in that: in 10V voltage
Under, the largest deformation displacement of perfluoro sulfonic acid membrane is 6.9mm.
3. a kind of preparation method of perfluorinated sulfonic acid artificial-muscle according to claim 1, it is characterised in that: in 10V voltage
Under, perfluorinated sulfonic acid manipulator maximum can grab the weight of 8g, and the quality of weight is 20 times of perfluorinated sulfonic acid manipulator self weight.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367968A (en) * | 2022-01-13 | 2022-04-19 | 重庆大学 | Preparation method of perfluorosulfonic acid artificial muscle based on gold-platinum composite electrode |
| CN114603873A (en) * | 2022-03-29 | 2022-06-10 | 吉林大学 | Preparation method of variable-rigidity soft driver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367968A (en) * | 2022-01-13 | 2022-04-19 | 重庆大学 | Preparation method of perfluorosulfonic acid artificial muscle based on gold-platinum composite electrode |
| CN114603873A (en) * | 2022-03-29 | 2022-06-10 | 吉林大学 | Preparation method of variable-rigidity soft driver |
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