CN105671654A - Ionic induction type artificial skin array structure and preparation method thereof - Google Patents
Ionic induction type artificial skin array structure and preparation method thereof Download PDFInfo
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- CN105671654A CN105671654A CN201610040742.6A CN201610040742A CN105671654A CN 105671654 A CN105671654 A CN 105671654A CN 201610040742 A CN201610040742 A CN 201610040742A CN 105671654 A CN105671654 A CN 105671654A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Prostheses (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses an ionic induction type artificial skin array structure and a preparation method thereof. The array structure is characterized in that the array structure is an array structure formed by distributing composite electrode fibers in a crossed mode, or an array structure formed by distributing composite electrode fibers and flexible fiber electrodes made of conductive materials in a crossed mode, or a fabric structure formed by weaving composite electrode fibers, or a fabric structure formed by blending and weaving composite electrode fibers and flexible fiber electrodes made of conductive materials, wherein the composite electrode fibers are composed of core layers and sheaths, the core layers are flexible fiber electrodes made of the conductive materials, the sheaths are wrapping layers of the flexible fiber electrodes made of polyelectrolyte, the outer surfaces of the core layers are wrapped by the sheaths, and the two ends of the core layers are exposed. The ionic induction type artificial skin array is based on ionic migration, and can simulate the biological skin tactile sense biological electric induction principle. Compared with artificial skin materials of other types, the induction ability higher, and response is more sensitive.
Description
Technical field
The present invention relates to a kind of New Electroactive material and technology of preparing thereof, be specifically related to a kind of artificial skin array structure based on ion influence electricity and preparation method thereof.
Background technology
Artificial skin can simulate the tactilely-perceptible function of biological skin, has great application potential and industrialization market in fields such as robot, modern medical service health monitoring, people with disability's limbs organ, operation control arm and wearing electronic products.
Traditional Man skin material is not good with human body matching in pliability, and the dynamic frequency of simulation human body skin does not have advantage, and skin tactilely-perceptible function is untrue. In recent years, these problems are improved to a certain extent based on the artificial skin of thin polymer film.
Difference according to sensing principle, artificial skin material is broadly divided into parameter type and self-power generation type two class. Wherein parameter type is with LipomiDJ et al. resistor-type artificial skin material (LipomiDJ developed, etal.NatNano, 2011,6 (12): 788-792) and the capacitor type artificial skin material (TakamatsuS of TakamatsuS et al. research, etal.SensorsandActuatorsA:Physical, 2012,184 (0): 57-63) for representative, in the event that it is active, by measuring the change being caused material electrical properties (electric capacity or resistance) by ess-strain, indirect detection executes stressed change. Self-power generation type is with GaoQ et al. (GaoQ, etal.Langmuir, 2012,28 (51): 17593-17596) and MandalD et al. (MandalD, etal.MacromolecularRapidCommunications, 2011,32 (11): 831-837) etc. for representative, it is divided into piezo-electric type and ion-type.
Parameter type flexible sensor all needs external power supply to power, and energy consumption is relatively big, and the energy consumption reducing sensing element is had particularly harsh restriction by the intellectuality of currently advanced equipment and multifunction. Can in two kinds of dissimilar flexible sensing materials of self power generation, the ion-type artificial skin material based on ion transport has better temperature stability and capacity of resisting disturbance.
Ion-type electroactive polymer (EAP, Electro-activePolymer) is a kind of novel ionic flexible material.It is similar to skin tactilely-perceptible mechanism, and its inner ion can move under pressure, so that material produces electric potential difference on pressure direction, and the therefore advantage of great development of new flexibility artificial skin material. But conventional ion type EAP has two deficiencies directly as artificial skin sensor: 1) most independent measurements, it is difficult to array; 2) local small deformation is sensitive not. The present invention, by the ultimate principle based on ion-type EAP, design one ion induction type artificial skin array structure, has important engineering significance.
Summary of the invention
It is an object of the invention to propose a kind of ion induction type artificial skin array structure and preparation method thereof, realize pressure tactilely-perceptible function more realistically, overcome the deficiencies in the prior art.
For achieving the above object, the present invention adopts the following technical scheme that
The present invention proposes a kind of ion induction type artificial skin array structure, it is characterized in that: described artificial skin array structure is the array architecture being arranged to make up by combination electrode fiber crossovers, or the array architecture being arranged to make up by combination electrode fiber and the flexible fiber electrode crossing that is made of an electrically conducting material, or the fabric construction become by combination electrode fibrage, or the fabric construction become with the flexible fiber electrode mixed weaving being made of an electrically conducting material by combination electrode fiber;
Wherein, described combination electrode fiber is made up of sandwich layer and sheaths; Described sandwich layer is the flexible fiber electrode being made of an electrically conducting material, the integument of the flexible fiber electrode that described sheaths is made up of polyelectrolyte; Described sheaths is wrapped in the outer surface of sandwich layer and sandwich layer two ends are exposed.
The mode of described cross arrangement is the arrangement of upper and lower layer-stepping, and the combination electrode fiber and/or the flexible fiber electrode that are positioned at same layer are parallel to each other, and between levels, the arrangement angle of combination electrode fiber and/or flexible fiber electrode is 10 °～90 °. Described fabric construction is two dimension longitudinal-latitudinal type fabric construction, three-dimensional and multidimensional longitudinal-latitudinal type fabric construction or non-longitudinal-latitudinal type fabric construction.
The cross section of described flexible fiber electrode and described combination electrode fiber is circular, oval or rectangle. The cross section structure of the flexible fiber electrode and/or combination electrode fiber that constitute same skin array structure can be the same or different, and arbitrarily selects
The radical length of described flexible fiber electrode is 10～500 μm, axial length is not less than 2cm; The thickness range of described sheaths is 10～500 μm; The integral thickness of described artificial skin array structure is not more than 2mm.
Described conductive material is selected from the mixture of metal material (such as gold, copper, silver, platinum or its alloy), CNT or CNT and Graphene;
Described polyelectrolyte material is ion exchange membrane material (the Aquivion sequence of ion film such as Dupont company Nafion series, the Aciplex sequence of ion film of AsahiChemical company, the Flemion sequence of ion film of AsahiGlass company and SolvaySolexis company), or neutral polymer (PVDF, chitosan) with the mixture of ionic liquid (EMITFSI, etc).
The ion principle of induction of artificial skin material of the present invention is the effect downforce induction point generation electric induction in external force, and electric induction is conducted to dispatch from foreign news agency path control system by the sandwich layer flexible fiber electrode conducted electricity. Wherein pressure sensitive point is that combination electrode fiber and/or flexible fiber electrode intersect the contact point of composition in pairs.
The preparation method of above-mentioned artificial skin array structure is:
(1) conductive material is made flexible fiber electrode by Electrospinning;Or with filament (such as yarn) for base, described filament is plated layer of conductive material (such as silver-plated yarn, platinum plating yarn, copper facing yarn), makes flexible fiber electrode; May be used without tinsel directly as flexible fiber electrode;
(2) by polyelectrolyte by solution evaporation film technique, it is wrapped on flexible fiber electrode and forms sheaths, make combination electrode fiber; The modes such as extruding, high-temperature fusion can also be adopted flexible fiber electrode sandwich layer-polyelectrolyte sheaths composite construction is obtained for other material.
(3) become array structure with flexible fiber electrode hierarchy cross arrangement by combination electrode fiber or by combination electrode fiber, again through hot forming technology, different layers is laminated at contact point place, makes ion induction type artificial skin array structure; The combination electrode fiber and/or the flexible fiber electrode that are positioned at same layer are parallel to each other, and between levels, the arrangement angle of combination electrode fiber and/or flexible fiber electrode is 10 °～90 °.
Or: it is woven into fabric construction by combination electrode fiber or by combination electrode fiber and flexible fiber electrode, again through hot forming technology, different layers is laminated at contact point place, make ion induction type artificial skin array structure;
(4) the ion induction type artificial skin array structure that step (3) is prepared carries out post processing to improve performance, namely completes preparation.
In order to regulate the resolution of artificial skin array structure, increase the hot strength of artificial skin array structure, in step (3) cross arrangement becomes array structure or is woven into the process of fabric construction, add yarn or insulating polymer fiber.
Step (4) described post processing is first to carry out soaking (no less than 1h) in hydrochloric acid (0.1mol/L) or sulphuric acid (0.05mol/L) by the artificial skin array structure obtained by step (3), then carries out soaking (no less than 1h) again in alkali metal or alkaline earth metal cation solution. First with the impurity that acid soak is to remove artificial skin material, be then placed in alkali metal or alkaline earth metal cation solution soak be in order to replace the inside cation, adopt such as sodium ion to conduct electricity.
Present invention further propose that above-mentioned artificial skin array structure is used in bio-robot, pressure transducer or dresses in flexible electronic device.
Beneficial effects of the present invention is embodied in:
The present invention is based on the ion induction type artificial skin array of ion migration motion, can simulating biological skin sense of touch bio electricity principle of induction, compare other type of artificial skin material, its principle of induction is closer to the sense of touch principle of induction of real skin, sensing capability is more strengthened, and reacts sensitiveer.
The artificial skin of the present invention is based primarily upon the ultimate principle of ion-type electroactive polymer, design textile type skin array, utilize the anisotropy of electrode fiber dexterously, produce the composite with enough sensing resolution and mechanical strength, it is possible to simulation biological skin feeling function well.
Accompanying drawing explanation
Fig. 1 is the structural representation of combination electrode fiber;
Fig. 2 and Fig. 3 is the schematic diagram of two kinds of versions of ion induction type artificial skin array structure of the present invention;
Fig. 4 is the electroresponse result figure after the artificial skin array structure in the embodiment of the present invention 1 applies pressure;
Fig. 5 is the schematic diagram of the combination electrode fiber production device in the embodiment of the present invention 2;
Fig. 6 a and Fig. 6 b is the schematic diagram of the artificial skin material's array structure in the embodiment of the present invention 2;
Fig. 7 is artificial skin material's array structure inner ion state diagram before and after stress in the embodiment of the present invention 2, and wherein Fig. 7 (a) is for before stress, and Fig. 7 (b) is for after stress;
Fig. 8 is the schematic diagram of the artificial skin material's array structure in the embodiment of the present invention 3;
Fig. 9 is the schematic diagram of the artificial skin material's array structure in the embodiment of the present invention 4;
Number in the figure: 1 is charging aperture, 2 is heating mould, and 3 is heating plate, and 4 is valve, and 5 is valve handle, and 6 is flexible fiber electrode, 7 combination electrode fibers, 8 yarns.
Detailed description of the invention
The artificial skin array structure of the present invention is the array architecture (as shown in Figure 2) being made up of combination electrode fiber (as shown in Figure 1) cross arrangement, or the array architecture being arranged to make up by combination electrode fiber and the flexible fiber electrode crossing that is made of an electrically conducting material, or the fabric construction become by combination electrode fibrage, or the fabric construction (as shown in Figure 3) become with the flexible fiber electrode mixed weaving being made of an electrically conducting material by combination electrode fiber.
As it is shown in figure 1, combination electrode fiber is made up of sandwich layer and sheaths; Sandwich layer is the flexible fiber electrode being made of an electrically conducting material, the integument of the flexible fiber electrode that sheaths is made up of polyelectrolyte; Sheaths is wrapped in the outer surface of sandwich layer and sandwich layer two ends are exposed.
In conjunction with some embodiments, technical scheme is done more specific detail further below.
Embodiment 1
The present embodiment prepares the ion induction type artificial skin array structure based on tinsel and Nafion ionic membrane material as follows:
(1) adhesive tab, copper wire and NafionD520 (5%) solution (du pont company's production) are prepared, with copper wire (about 150 μm of diameter, length 10cm) directly as flexible fiber electrode.
(2), it being overlayed on copper wire using NafionD520 (5%) solution (du pont company's production) as polyelectrolyte solution, 50 DEG C are dried 3 hours, evaporate film forming, form sheaths, make combination electrode fiber;
(3) with glass plate for substrate, being first arranged in above glass plate by three combination electrode fibers parallel, the spacing of adjacent combination electrode fiber is 5mm, and end is fixed by two adhesive tab. Then being that 90 ° of square crossings are arranged on lower floor's combination electrode fiber by other three combination electrode fibers, the spacing of adjacent combination electrode fiber is similarly 5mm.
By the array structure that arranges at 50 DEG C of hot formings, make two-layer be laminated at contact point place, make ion induction type artificial skin array structure;
(4) whole array structure under peeling off from glass plate, soaks 2 hours in the HCl of 0.1mol/L; Then soak 2 hours in the NaCl solution of 0.2mol/L, obtain finished product ion induction type artificial skin array structure of good performance.
Measuring and record the voltage response of artificial skin material with multifunctional recorder GL900, be placed on plastic plate by material, recorder is connected in vertical a pair copper wire end, applies pressure at two copper wire contact point places, and result is as shown in Figure 4. After can be seen that applying pressure, voltage first has a zooming peak value, and followed by rapid decay, this is similar with traditional IPMC material, and the size of voltage peak is relevant with executing stressed size.
Embodiment 2
The present embodiment prepares the ion induction type artificial skin array structure based on silver plated fiber and Nafion ionic membrane material as follows:
(1) several fibers filament is soaked in Ag nanoparticulate dispersion, then evaporate solvent, obtain silver plated fiber, as flexible fiber electrode;
(2) combination electrode fiber production device as shown in Figure 5 is used, valve 4 is opened by valve handle 5, flexible fiber electrode 6 is inserted in heating mould 2, shut valve 4, horizontal, then NafionD520 (5%) solution (du pont company's production) is poured into heating mould by funnel from charging aperture 1, it is heated by heating plate 3, at 80 DEG C, first it is incubated 30min, then temperature is promoted to 120 DEG C of insulation 6h, finally rise to 140 DEG C and be incubated 30min.Treat that device cools down, add appropriate amount of deionized water and boil 5min, combination electrode fiber can be obtained.
(3) as shown in figures 6 a and 6b, combination electrode fiber point two-layer cross arrangement being become array structure, each layer is all arranged in parallel, arranged vertically between layers, tightly connected between combination electrode. Again through 50 DEG C of hot formings, different layers is laminated at contact point place, makes ion induction type artificial skin array structure.
(4) the ion induction type artificial skin array structure that step (3) is made is soaked 2 hours in the HCl of 0.1mol/L; Then soak 2 hours in the NaCl solution of 0.2mol/L, obtain finished product ion induction type artificial skin array structure of good performance.
Fig. 7 a and Fig. 7 b is the present embodiment sample inner ion motion diagram before and after stress. As can be seen from the figure namely, when contact point stress, with hydrone to central motion, can there is electric charge transfer, produce electric current, reach external circuit by flexible fiber electrode in the cation (being sodium ion in the present embodiment) in polyelectrolyte.
Embodiment 3
The present embodiment prepares the ion induction type artificial skin array structure being made up of in pairs combination electrode fiber and flexible fiber electrode as follows:
(1) silver plated fiber is prepared by the mode in embodiment 2, as flexible fiber electrode 6;
(2), it being overlayed on silver plated fiber using NafionD520 (5%) solution (du pont company's production) as polyelectrolyte solution, 50 DEG C are dried 3 hours, evaporate film forming, form sheaths, make combination electrode fiber 7;
(3) as shown in Fig. 8 (a) and Fig. 8 (b), using combination electrode fiber 7 as lower floor, using flexible fiber electrode 6 as upper strata, two interlayers are vertical, are arranged into array structure; Then the array structure high-temperature fusion at 50 DEG C that will arrange, makes two-layer be laminated at contact point place, makes ion induction type artificial skin array structure;
(4) the ion induction type artificial skin array structure that step (3) is made is soaked 2 hours in the HCl of 0.1mol/L; Then soak 2 hours in the NaCl solution of 0.2mol/L, obtain finished product ion induction type artificial skin array structure of good performance.
After giving this artificial skin material's pressure, voltage is measured by flexible fiber electrode-combination electrode fibre-contact point.
Embodiment 4
The present embodiment prepares a kind of ion induction type artificial skin array structure based on combination electrode fiber adding yarn as follows:
(1) with copper wire directly as flexible fiber electrode,, it being overlayed on copper wire using NafionD520 (5%) solution (du pont company's production) as polyelectrolyte solution, 50 DEG C are dried 3 hours, evaporation solvent forms sheaths, makes combination electrode fiber;
(2) as it is shown in figure 9, yarn 8, combination electrode fiber 7, flexible fiber electrode 6 are knitted by hand weaving, three is obtained compact arranged once a texturing structure of latitude type. Again through hot pressing, different layers is laminated at contact point place, makes ion induction type artificial skin array structure;
(3) the ion induction type artificial skin array structure that step (2) is made is soaked 2 hours in the HCl of 0.1mol/L; Then soak 2 hours in the NaCl solution of 0.2mol/L, obtain finished product ion induction type artificial skin array structure of good performance.
After giving this artificial skin material's pressure, voltage is measured by copper wire-combination electrode fibre-contact point or combination electrode fiber-combination electrode fibre-contact point. This texturing material makes simple, it is possible to promotes tensile property by regulating yarn or regulates resolution.
The above is only the specific embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. an ion induction type artificial skin array structure, it is characterized in that: described artificial skin array structure is the array architecture being arranged to make up by combination electrode fiber crossovers, or the array architecture being arranged to make up by combination electrode fiber and the flexible fiber electrode crossing that is made of an electrically conducting material, or the fabric construction become by combination electrode fibrage, or the fabric construction become with the flexible fiber electrode mixed weaving being made of an electrically conducting material by combination electrode fiber;
Wherein, described combination electrode fiber is made up of sandwich layer and sheaths; Described sandwich layer is the flexible fiber electrode being made of an electrically conducting material, the integument of the flexible fiber electrode that described sheaths is made up of polyelectrolyte; Described sheaths is wrapped in the outer surface of sandwich layer and sandwich layer two ends are exposed.
2. ion induction type artificial skin array structure according to claim 1, it is characterized in that: the mode of described cross arrangement is the arrangement of upper and lower layer-stepping, the combination electrode fiber and/or the flexible fiber electrode that are positioned at same layer are parallel to each other, and between levels, the arrangement angle of combination electrode fiber and/or flexible fiber electrode is 10 °～90 °.
3. ion induction type artificial skin array structure according to claim 1, it is characterised in that: described fabric construction is two dimension longitudinal-latitudinal type fabric construction, three-dimensional and multidimensional longitudinal-latitudinal type fabric construction or non-longitudinal-latitudinal type fabric construction.
4. ion induction type artificial skin array structure according to claim 1, it is characterised in that: the cross section of described flexible fiber electrode and described combination electrode fiber is circular, oval or rectangle.
5. ion induction type artificial skin array structure according to claim 1, it is characterised in that: the radical length of described flexible fiber electrode is 10～500 μm, axial length is not less than 2cm; The thickness range of described sheaths is 10～500 μm; The integral thickness of described artificial skin array structure is not more than 2mm.
6. ion induction type artificial skin array structure according to claim 1, it is characterised in that: described conductive material is the mixture of metal material, CNT or CNT and Graphene;
Described polyelectrolyte is the composite material that ion exchange membrane material or neutral polymer and ionic liquid mix.
7. the preparation method of artificial skin array structure described in any one in a claim 1～6, it is characterised in that comprise the steps:
(1) conductive material is made flexible fiber electrode by Electrospinning; Or with filament for base, described filament is plated layer of conductive material, makes flexible fiber electrode;
(2) by polyelectrolyte by solution evaporation film technique, it is wrapped on flexible fiber electrode and forms sheaths, make combination electrode fiber;
(3) become array structure with flexible fiber electrode hierarchy cross arrangement by combination electrode fiber or by combination electrode fiber, again through hot forming technology, different layers is laminated at contact point place, makes ion induction type artificial skin array structure;
Or: it is woven into fabric construction by combination electrode fiber or by combination electrode fiber and flexible fiber electrode, again through hot forming technology, different layers is laminated at contact point place, make ion induction type artificial skin array structure;
(4) the ion induction type artificial skin array structure that step (3) is prepared carries out post processing to improve performance, namely completes preparation.
8. preparation method according to claim 7, it is characterized in that: in order to regulate the resolution of artificial skin array structure, increase the hot strength of artificial skin array structure, in step (3) cross arrangement becomes array structure or is woven into the process of fabric construction, add yarn or insulating polymer fiber.
9. preparation method according to claim 7, it is characterized in that: step (4) described post processing is first to be soaked in hydrochloric acid or sulphuric acid by the artificial skin array structure obtained by step (3), then soaks in alkali metal or alkaline earth metal cation solution again.
10. the application of artificial skin array structure described in any one in a claim 1～6, it is characterised in that: it is used in bio-robot, pressure transducer or dresses in flexible electronic device.
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| CN110202595A (en) * | 2019-06-19 | 2019-09-06 | 安徽建筑大学 | The artificial skin sensor of the double-deck sparse array structure |
| CN111678424A (en) * | 2020-05-18 | 2020-09-18 | 东华大学 | Fibrous flexible strain sensor and preparation method thereof |
| CN112816528A (en) * | 2021-02-01 | 2021-05-18 | 合肥艾创微电子科技有限公司 | Perception storage integrated bionic tactile fiber and preparation method thereof |
| CN115531593A (en) * | 2022-09-16 | 2022-12-30 | 浙江隆泰医疗科技有限公司 | Preparation method of medical dressing applicable to sensitive skin |
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