CN109355899A - A kind of conducting magnetic material and preparation method for robot electronic skin - Google Patents
A kind of conducting magnetic material and preparation method for robot electronic skin Download PDFInfo
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- CN109355899A CN109355899A CN201811118475.5A CN201811118475A CN109355899A CN 109355899 A CN109355899 A CN 109355899A CN 201811118475 A CN201811118475 A CN 201811118475A CN 109355899 A CN109355899 A CN 109355899A
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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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/04—Carbonising or oxidising
-
- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/49—Oxides or hydroxides of elements of Groups 8, 9, 10 or 18 of the Periodic System; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Abstract
The present invention relates to electronic skin fields, disclose a kind of conducting magnetic material and preparation method for robot electronic skin.Including following preparation process: (1) polyacrylonitrile powder, Polystyrene powder, organic solvent and deionized water being mixed to prepare spinning solution;(2) electrostatic spinning is carried out, polyacrylonitrile/polystyrene nano fiber film is made;(3) nano fibrous membrane is subjected to high temperature cabonization, porous carbon nanofiber flexible membrane is made;(4) the growth in situ ferriferrous oxide nano-particle on porous carbon nanofiber flexible membrane, is made the conducting magnetic material for robot electronic skin.The porous carbon nanofiber film that the present invention is prepared, pore size is uniform, flexible and electric conductivity is good, so that the magnetic ferroferric oxide particle being grown in is firmly combined, is not easily to fall off, the electronic skin being prepared has good flexibility, electric conductivity and magnetism, has widened the application of electronic skin.
Description
Technical field
The present invention relates to electronic skin fields, disclose a kind of conducting magnetic material and system for robot electronic skin
Preparation Method.
Background technique
Electronic skin also known as novel wearable flexible bionic touch sensor, are the electronic equipments being attached on " skin ", because
And habitually it is referred to as electronic skin.Compared to traditional rigid touch sensor, the more frivolous softness of electronic skin can quilt
It is processed into various shape, the body surface of human body either robot is attached to as clothes, it is made to have feeling and tactile.
Currently, electronic skin is mainly used in human body physiological parameter detection and the big field of robot flexibility touch sensor two.Passing through will
Electronic skin is installed to the corresponding key position of human body, to realize the inspection of the physiological parameters such as human heart rate, blood pressure, muscle tone
It surveys.
By the way that electronic skin is attached to robot finger, on arm, so that robot obtains the extraneous touch force of impression
Ability divided according to the essential structure of electronic skin, the material of electronic skin can be divided into sensitive material and base material two
Major class.Wherein, soul of the sensitive material as electronic skin, can directly affect electronic skin precision, it is anti-interference, low at
Originally, the multinomial performances index such as micromation, therefore by the concern and attention of research staff.
Currently, the electronic skin mainly produced has the shortcomings that functionality is single, the further hair of electronic skin is limited
Exhibition application.Therefore, in order to meet growing industrial needs, the electronics skin with flexibility, conduction, magnetism is researched and developed
Skin material has great importance.But existing some functional materials, such as magnetic ferroferric oxide particle often with sensitivity
Material combination is not close, limits its application in electronic skin.
Chinese invention patent application number 201711111133.6 discloses a kind of high-intensitive selfreparing electroconductive magnetic electronics skin
Skin material and preparation method thereof.Polypyrrole is wrapped in nano-cellulose surface, and immobilized Fe by this method3O4Magnetic particle, then
It is added in agarose solution and is uniformly mixed, prepare high-intensitive selfreparing electroconductive magnetic electronic skin material.Invention benefit
With nano-cellulose/polypyrrole/Fe3O4Compound makes agarose aquogel while having high-intensitive, electric conductivity and magnetism
Can, it improves the low-intensity of plain agar syrup gel, without electric conductivity and non-magnetic three big disadvantage, can be used as it a kind of new
Type multifunction electronic skin material.
Chinese invention patent application number 201711128891.9 discloses a kind of electricity based on native cellulose nanofiber
Sub- skin and preparation method thereof, using filtering or Electrostatic Absorption method is by the electrical-conductive nanometers material such as carbon nanotube, graphene, silver nanowires
Material is fixed on imparting tunica fibrosa conductive characteristic on bacteria cellulose (BC) nano fibrous membrane;By the polyethylene film as dielectric layer
It is placed among the uniform conductive BC nano fibrous membrane of two panels thickness and constitutes miniature stretchable, compressible capacitor, obtain and be based on
The electronic skin of native cellulose nanofiber.The invention is prepared for the electronic skin based on natural cellulosic materials for the first time, is
The better electronic skin of biocompatibility for finding replacement synthetic high polymer provides technical support, has preferable medical application
Prospect.
According to above-mentioned, the sensitive material in existing scheme for electronic skin haves the defects that functionality is single, is studying
In novel and multifunctional electronic skin material, often there is functional material in conjunction with sensitive material in such as conductive and magnetic composite
Untight problem limits development and application so that functional effect is undesirable.
Summary of the invention
Have the defects that functionality is single using wider electronic skin sensitive material at present, and novel and multifunctional electronics skin
In skin material, such as conductive and magnetic composite, untight problem that there are functional materials in conjunction with sensitive material causes electronics
Skin material flexibility, electric conductivity and magnetism are bad.
To solve the above problems, the invention adopts the following technical scheme:
A kind of preparation method of the conducting magnetic material for robot electronic skin, the detailed process of preparation are as follows:
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material.
Preferably, step (1) organic solvent is dimethyl sulfoxide, N- methyl-N- morpholine oxide, N, N- dimethyl methyl
One of amide.
Preferably, in step (1), 5 ~ 10 parts by weight of polyacrylonitrile powder, 5 ~ 10 parts by weight of Polystyrene powder, You Jirong
30 ~ 40 parts by weight of agent, 40 ~ 60 parts by weight of deionized water.
Preferably, step (1) heating temperature is 60 ~ 80 DEG C, and mixing speed is 80 ~ 150r/min, dissolution time 2
~4h。
Preferably, the spinning voltage of step (2) described electrostatic spinning is 10 ~ 20kV, and flow velocity is 3 ~ 5L/h, receives distance and is
10~20cm。
Preferably, the temperature of step (3) described high temperature cabonization is 400 ~ 500 DEG C, and the time is 1 ~ 2h.
Preferably, the mass concentration of step (4) described ferrous sulfate solution is 10 ~ 15%, and the quality of sodium hydroxide solution is dense
Degree is 40 ~ 50%.
Preferably, the parts by weight of each raw material are 30 ~ 55 parts by weight of porous carbon nanofiber flexible membrane, sulfuric acid in step (4)
30 ~ 50 parts by weight of ferrous iron solution, 15 ~ 20 parts by weight of sodium hydroxide solution.
Preferably, the temperature of step (4) described drying is 50 ~ 70 DEG C, and the time is 5 ~ 10h.
A kind of conducting magnetic material for robot electronic skin prepared by the above method, passes through electrostatic spinning
Polyacrylonitrile/polystyrene nano fiber film is prepared in method;There is the porous of novel pore structure by high temperature cabonization preparation again
Carbon nano-fiber flexible membrane;Finally by one step hydro thermal method on porous carbon nanofiber growth in situ ferriferrous oxide nano grain
Son.
The present invention provides a kind of conducting magnetic materials and preparation method for robot electronic skin, with the prior art
It compares, the feature and excellent effect protruded is:
1, it proposes using growth in situ electroconductive magnetic particle preparation on porous carbon nanofiber film for robot electronic skin
Conducting magnetic material method.
2, the porous carbon nanofiber film being prepared by this method, pore size is uniform, and flexible and electric conductivity is good
It is good.
3, by the growth in situ magnetic ferroferric oxide particle on porous nanofiber membrane, magnetic particle is in conjunction with membrane material
Securely, not easily to fall off.
4, the electronic skin that the present invention is prepared has good flexibility, electric conductivity and magnetism, has widened electronics skin
The application of skin.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;Organic solvent is dimethyl sulfoxide;Heating temperature is 68 DEG C, mixing speed 110r/min, dissolution time
For 3h;
Wherein, 7 parts by weight of polyacrylonitrile powder, 7 parts by weight of Polystyrene powder, 36 parts by weight of organic solvent, deionized water 50
Parts by weight;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;Electrostatic
The spinning voltage of spinning is 17kV, flow velocity 4L/h, and receiving distance is 16cm;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;The temperature of high temperature cabonization is 460 DEG C, time 1.5h;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material;The mass concentration of ferrous sulfate solution is 13%, and the mass concentration of sodium hydroxide solution is 44%;Dry
Temperature is 58 DEG C, time 7h;
The parts by weight of each raw material are 45 parts by weight of porous carbon nanofiber flexible membrane, 38 parts by weight of ferrous sulfate solution, hydroxide
17 parts by weight of sodium solution.
Conducting magnetic material made from embodiment 1, tensile strength, conductivity and magnetic susceptibility are as shown in table 1.
Embodiment 2
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;Organic solvent is N- methyl-N- morpholine oxide;Heating temperature is 65 DEG C, mixing speed 90r/min, molten
The solution time is 3.5h;
Wherein, 6 parts by weight of polyacrylonitrile powder, 6 parts by weight of Polystyrene powder, 32 parts by weight of organic solvent, deionized water 56
Parts by weight;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;Electrostatic
The spinning voltage of spinning is 16kV, flow velocity 3.5L/h, and receiving distance is 12cm;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;The temperature of high temperature cabonization is 420 DEG C, time 2h;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material;The mass concentration of ferrous sulfate solution is 11%, and the mass concentration of sodium hydroxide solution is 42%;Dry
Temperature is 55 DEG C, time 8h;
The parts by weight of each raw material are 48 parts by weight of porous carbon nanofiber flexible membrane, 35 parts by weight of ferrous sulfate solution, hydroxide
17 parts by weight of sodium solution.
Conducting magnetic material made from embodiment 2, tensile strength, conductivity and magnetic susceptibility are as shown in table 1.
Embodiment 3
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;Organic solvent is N,N-dimethylformamide;Heating temperature is 75 DEG C, mixing speed 120r/min, molten
The solution time is 2.5h;
Wherein, 8 parts by weight of polyacrylonitrile powder, 9 parts by weight of Polystyrene powder, 37 parts by weight of organic solvent, deionized water 46
Parts by weight;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;Electrostatic
The spinning voltage of spinning is 18kV, flow velocity 4.5L/h, and receiving distance is 18cm;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;The temperature of high temperature cabonization is 480 DEG C, time 1h;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material;The mass concentration of ferrous sulfate solution is 14%, and the mass concentration of sodium hydroxide solution is 48%;Dry
Temperature is 68 DEG C, time 7h;
The parts by weight of each raw material are 35 parts by weight of porous carbon nanofiber flexible membrane, 46 parts by weight of ferrous sulfate solution, hydroxide
19 parts by weight of sodium solution.
Conducting magnetic material made from embodiment 3, tensile strength, conductivity and magnetic susceptibility are as shown in table 1.
Embodiment 4
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;Organic solvent is dimethyl sulfoxide;Heating temperature is 60 DEG C, mixing speed 80r/min, dissolution time
For 4h;
Wherein, 5 parts by weight of polyacrylonitrile powder, 5 parts by weight of Polystyrene powder, 30 parts by weight of organic solvent, deionized water 60
Parts by weight;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;Electrostatic
The spinning voltage of spinning is 10kV, flow velocity 3L/h, and receiving distance is 10cm;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;The temperature of high temperature cabonization is 400 DEG C, time 2h;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material;The mass concentration of ferrous sulfate solution is 10%, and the mass concentration of sodium hydroxide solution is 40%;Dry
Temperature is 50 DEG C, time 10h;
The parts by weight of each raw material are 55 parts by weight of porous carbon nanofiber flexible membrane, 30 parts by weight of ferrous sulfate solution, hydroxide
15 parts by weight of sodium solution.
Conducting magnetic material made from embodiment 4, tensile strength, conductivity and magnetic susceptibility are as shown in table 1.
Embodiment 5
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;Organic solvent is N- methyl-N- morpholine oxide;Heating temperature is 80 DEG C, mixing speed 150r/min,
Dissolution time is 2h;
Wherein, 10 parts by weight of polyacrylonitrile powder, 10 parts by weight of Polystyrene powder, 40 parts by weight of organic solvent, deionized water
40 parts by weight;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;Electrostatic
The spinning voltage of spinning is 20kV, flow velocity 5L/h, and receiving distance is 20cm;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;The temperature of high temperature cabonization is 500 DEG C, time 1h;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material;The mass concentration of ferrous sulfate solution is 15%, and the mass concentration of sodium hydroxide solution is 50%;Dry
Temperature is 70 DEG C, time 5h;
The parts by weight of each raw material are 30 parts by weight of porous carbon nanofiber flexible membrane, 50 parts by weight of ferrous sulfate solution, hydroxide
20 parts by weight of sodium solution.
Conducting magnetic material made from embodiment 5, tensile strength, conductivity and magnetic susceptibility are as shown in table 1.
Embodiment 6
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;Organic solvent is N,N-dimethylformamide;Heating temperature is 70 DEG C, mixing speed 120r/min, molten
The solution time is 3h;
Wherein, 8 parts by weight of polyacrylonitrile powder, 7 parts by weight of Polystyrene powder, 35 parts by weight of organic solvent, deionized water 50
Parts by weight;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;Electrostatic
The spinning voltage of spinning is 15kV, flow velocity 4L/h, and receiving distance is 15cm;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;The temperature of high temperature cabonization is 450 DEG C, time 1.5h;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material;The mass concentration of ferrous sulfate solution is 12%, and the mass concentration of sodium hydroxide solution is 45%;Dry
Temperature is 60 DEG C, time 8h;
The parts by weight of each raw material are 42 parts by weight of porous carbon nanofiber flexible membrane, 40 parts by weight of ferrous sulfate solution, hydroxide
18 parts by weight of sodium solution.
Conducting magnetic material made from embodiment 6, tensile strength, conductivity and magnetic susceptibility are as shown in table 1.
Comparative example 1
Comparative example 1 does not use Polystyrene powder, and other conditions are same as Example 6, conducting magnetic material obtained, draws
It is as shown in table 1 to stretch intensity, conductivity and magnetic susceptibility.
The test method of above-mentioned performance indicator are as follows:
Conducting magnetic material produced by the present invention is cut into the sample of 60mm × 5mm, is produced using Japanese Kato-Tech company
KES-G1 multifunctional stretching tester to sample carry out uniaxial tensile test, clamp distance 4cm, rate of extension 0.05cm/s,
Measure tensile strength;
Conducting magnetic material produced by the present invention is cut into arbitrary shape sample, is measured using RTS-8 type four-point probe
The conductivity of material measures the magnetic susceptibility of sample using LH-3 magnetometer, characterizes its electric conductivity and magnetic behavior.
Table 1:
Claims (10)
1. a kind of preparation method of the conducting magnetic material for robot electronic skin, which is characterized in that the specific mistake of preparation
Journey are as follows:
(1) polyacrylonitrile powder, Polystyrene powder are added in organic solvent, add deionized water, heats and stir molten
Spinning solution is made in solution;
(2) spinning solution made from step (1) is subjected to electrostatic spinning, polyacrylonitrile/polystyrene nano fiber film is made;
(3) nano fibrous membrane made from step (2) is subjected to high temperature cabonization, the porous carbon nanofiber that novel pore structure is made is soft
Property film;
(4) porous carbon nanofiber flexible membrane made from step (3) is immersed in ferrous sulfate solution, sodium hydroxide is slowly added dropwise
Solution, the growth in situ ferriferrous oxide nano-particle on fiber flexibility film take out drying, are made for robot electronic skin
Conducting magnetic material.
2. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: step (1) organic solvent is dimethyl sulfoxide, N- methyl-N- morpholine oxide, one in N,N-dimethylformamide
Kind.
3. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
It is: in step (1), 5 ~ 10 parts by weight of polyacrylonitrile powder, 5 ~ 10 parts by weight of Polystyrene powder, 30 ~ 40 weight of organic solvent
Measure part, 40 ~ 60 parts by weight of deionized water.
4. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: the temperature of step (1) described heating is 60 ~ 80 DEG C, and the speed of stirring is 80 ~ 150r/min, and the time of dissolution is 2 ~ 4h.
5. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: the spinning voltage of step (2) described electrostatic spinning is 10 ~ 20kV, and flow velocity is 3 ~ 5L/h, and receiving distance is 10 ~ 20cm.
6. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: the temperature of step (3) described high temperature cabonization is 400 ~ 500 DEG C, and the time is 1 ~ 2h.
7. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: the mass concentration of step (4) described ferrous sulfate solution is 10 ~ 15%, the mass concentration of sodium hydroxide solution is 40 ~
50%。
8. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: the parts by weight of each raw material are in step (4), 30 ~ 55 parts by weight of porous carbon nanofiber flexible membrane, ferrous sulfate solution 30
~ 50 parts by weight, 15 ~ 20 parts by weight of sodium hydroxide solution.
9. a kind of preparation method of the conducting magnetic material for robot electronic skin according to claim 1, feature
Be: the temperature of step (4) described drying is 50 ~ 70 DEG C, and the time is 5 ~ 10h.
10. a kind of electroconductive magnetic material for robot electronic skin that any one of claim 1 ~ 9 the method is prepared
Material.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109920955A (en) * | 2019-04-05 | 2019-06-21 | 浙江理工大学 | A kind of cementite compound Nano carbon fiber film and preparation method thereof applied to lithium-sulfur cell interlayer |
CN115748246A (en) * | 2022-10-14 | 2023-03-07 | 四川大学 | Stretchable electronic material with mechanical-electrical double heterogeneous characteristic structure and preparation and application thereof |
-
2018
- 2018-09-26 CN CN201811118475.5A patent/CN109355899A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109920955A (en) * | 2019-04-05 | 2019-06-21 | 浙江理工大学 | A kind of cementite compound Nano carbon fiber film and preparation method thereof applied to lithium-sulfur cell interlayer |
CN109920955B (en) * | 2019-04-05 | 2021-12-14 | 浙江理工大学 | Iron carbide composite nano carbon fiber film applied to lithium-sulfur battery interlayer and preparation method thereof |
CN115748246A (en) * | 2022-10-14 | 2023-03-07 | 四川大学 | Stretchable electronic material with mechanical-electrical double heterogeneous characteristic structure and preparation and application thereof |
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