CN114392362A - Smearing type low-impedance electrocardio-electrode material and preparation and use methods thereof - Google Patents
Smearing type low-impedance electrocardio-electrode material and preparation and use methods thereof Download PDFInfo
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- 239000007772 electrode material Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims abstract description 70
- 239000013504 Triton X-100 Substances 0.000 claims abstract description 54
- 229920004890 Triton X-100 Polymers 0.000 claims abstract description 54
- 239000002904 solvent Substances 0.000 claims abstract description 43
- 239000002105 nanoparticle Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000013543 active substance Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 10
- 229920001940 conductive polymer Polymers 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 238000005054 agglomeration Methods 0.000 claims description 10
- 230000002776 aggregation Effects 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 12
- 238000000576 coating method Methods 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920000144 PEDOT:PSS Polymers 0.000 description 12
- 238000002156 mixing Methods 0.000 description 7
- 239000002736 nonionic surfactant Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
- A61B5/268—Bioelectric electrodes therefor characterised by the electrode materials containing conductive polymers, e.g. PEDOT:PSS polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0009—Galenical forms characterised by the drug release technique; Application systems commanded by energy involving or responsive to electricity, magnetism or acoustic waves; Galenical aspects of sonophoresis, iontophoresis, electroporation or electroosmosis
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
Abstract
The invention relates to the technical field of electrode materials, in particular to a coating type low-impedance electrocardio electrode material and preparation and use methods thereof. The invention provides a coating type low-impedance electrocardio-electrode material which comprises the following components in percentage by mass: PEDOT, PSS liquid solvent; a Triton X-100 active agent, wherein the proportion of the Triton X-100 active agent to the PEDOT to PSS liquid solvent is 1-5 wt%; and the ratio of the Ag nano particles to the PEDOT/PSS liquid solvent is 33-50 wt%. The low-impedance electrocardio-electrode material provided by the invention has the advantages of good bonding property, high conductivity and good flexibility. The electrode material can be directly applied to the surface of the test skin to be attached to the surface of the test skin in a seamless mode, so that the low impedance characteristic is presented between the skin and the electrode material. The invention also provides a preparation method of the smearing type low-impedance electrocardio-electrode material, which has simple process and convenient manufacture. The invention also provides a using method of the smearing type low-impedance electrocardio-electrode material, the electrode material can be smeared in the region of the skin to be detected accurately by the method, and a skin electrode film with ideal thickness can be manufactured by controlling the drawing speed of the smearing pen, so that the use is convenient and the material is saved.
Description
Technical Field
The invention relates to the technical field of electrode materials, in particular to a coating type low-impedance electrocardio electrode material and preparation and use methods thereof.
Background
When the electrocardio-electrode is used clinically, conductive gel needs to be smeared on the skin surface of a subject firstly, and then the electrocardio-electrode is connected to a large-scale electrocardiograph through a complex and lengthy lead, so that a patient needs to keep a fixed posture to obtain good electrocardio-record. During long-time electrocardio measurement, a patient may have side effects such as allergy of a gel smearing position, and the electrode position needs to be changed frequently during continuous measurement. In a word, the traditional electrocardiogram detection system has the characteristics of large equipment, short measurement time, relatively fixed measurement place, high requirement on the posture of a patient and the like, and the timeliness of medical diagnosis and the treatment experience of the patient are limited to a great extent. The method provides strong market demand and research significance for developing a novel flexible, compact, economical and applicable electrocardio sensing electrode.
The flexible electrocardiogram electrode in the prior art mainly has the problems of poor conductivity, poor fitting property, complex preparation process and the like.
Disclosure of Invention
In order to overcome the above problems or partially solve the above problems, the present invention provides a coating type low impedance electrocardiographic electrode material and a preparation method thereof, so as to obtain an electrocardiographic electrode material with good adhesion and high conductivity.
The invention is realized by the following technical scheme:
in a first aspect, the invention provides a coating type low-impedance electrocardio-electrode material, which comprises the following components in percentage by mass: PEDOT, PSS liquid solvent; a Triton X-100 active agent, wherein the proportion of the Triton X-100 active agent to the PEDOT to PSS liquid solvent is 1-5 wt%; and the ratio of the Ag nano particles to the PEDOT/PSS liquid solvent is 33-50 wt%.
In some embodiments of the invention according to the first aspect, the weight ratio of PEDOT to PSS in the liquid PEDOT to PSS solvent is 1: 2.
In a second aspect, the invention provides a preparation method of a coating type low-impedance electrocardio-electrode material, which comprises the following preparation steps: and filtering the PEDOT PSS liquid solvent to obtain a pure PEDOS PSS solution, adding a Triton X-100 active agent into the PEDOS PSS solvent, stirring for the first time until the Triton X-100 and the PEDOT PSS are completely mixed to form a conductive polymer solution, standing, cooling, adding Ag nanoparticles into the conductive polymer solution, stirring for the second time until the Ag nanoparticles and the conductive polymer solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT PSS low-impedance electrocardioelectrode material.
Based on the second aspect, in some embodiments of the invention, the PEDOT: PSS liquid solvent is filtered using a filter head with a pore size of 0.22 μm.
In some embodiments of the invention according to the second aspect, the time for the first stirring is 12 hours.
Based on the second aspect, in some embodiments of the invention, the Triton X-100 active agent is fully mixed with PEDOT: PSS and then allowed to stand for cooling at 4 ℃.
In some embodiments of the invention according to the second aspect, the time of the second stirring is greater than 30 min.
In a third aspect, the invention provides a use method of a coating type low-impedance electrocardio-electrode material, which comprises the following steps: providing a smearing pen and a double-sided adhesive tape; filling the prepared low-impedance electrocardio-electrode material into a smearing pen; drawing an electrode pattern on the surface of the skin by using a painting pen; one surface of the double-sided adhesive tape is attached to the electrode pattern, and the other surface is connected with an electrocardio lead wire.
According to the third aspect, in some embodiments of the invention, the caliber d of the smearing pen is less than or equal to 0.4 mm.
According to the third aspect, in some embodiments of the present invention, the painting speed of the electrode pattern on the skin surface by using the painting pen is 1 cm/sec.
Compared with the prior art, the invention at least has the following advantages and beneficial effects:
in a first aspect, the invention provides a coating type low-impedance electrocardio-electrode material, which comprises the following components in percentage by mass: 45-66 wt% of PEDOT (PSS) liquid solvent; a Triton X-100 active agent, wherein the proportion of the Triton X-100 active agent to the PEDOT to PSS liquid solvent is 1-5 wt%; and the ratio of the Ag nano particles to the PEDOT/PSS liquid solvent is 33-50 wt%.
The low-impedance electrocardio-electrode material provided by the invention can be directly smeared on the surface of the skin to be tested, and the skin electronic electrode with good fitting property, high conductivity and good flexibility is formed.
In a second aspect, the invention provides a preparation method of a coating type low-impedance electrocardio-electrode material, which comprises the following preparation steps: and filtering the PEDOT PSS liquid solvent to obtain a pure PEDOS PSS solution, adding a Triton X-100 active agent into the PEDOS PSS solvent, stirring for the first time until the Triton X-100 and the PEDOT PSS are completely mixed to form a conductive polymer solution, standing, cooling, adding Ag nanoparticles into the conductive polymer solution, stirring for the second time until the Ag nanoparticles and the conductive polymer solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT PSS low-impedance electrocardioelectrode material.
The preparation method provided by the invention can be used for preparing the low-impedance electrocardio-electrode material with high attaching performance and high conductivity, and the low-impedance electrocardio-electrode material can be attached to the surface of skin in a seamless manner, so that the skin and the electrode material have low impedance characteristics.
In a third aspect, the invention provides a use method of a coating type low-impedance electrocardio-electrode material, which comprises the following steps: providing a smearing pen and a double-sided adhesive tape; filling the prepared low-impedance electrocardio-electrode material into a smearing pen; drawing an electrode pattern on the surface of the skin by using a painting pen; one surface of the double-sided adhesive tape is attached to the electrode pattern, and the other surface is connected with an electrocardio lead wire.
By adopting the application method provided by the invention, the electrode material can be accurately smeared in the area to be detected of the skin, and the skin electrode film with ideal thickness can be manufactured by controlling the drawing speed of the smearing pen, so that the application method is convenient to use and saves materials.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
FIG. 1 is a graph of skin electrode impedance curves for different types of electrodes
FIG. 2 shows the surface resistance of different concentrations of active agent doped PEDOT: PSS films;
FIG. 3 is an exploded view of the skin, the electrode material, the double-sided adhesive tape and the lead wire after the electrocardio-electrode material is coated;
FIG. 4 is an ECG trace of the electrode material coated with an embodiment of the present invention and a commercial electrode material;
fig. 5 is a diagram of a product in an embodiment of the present invention.
Icon: 1-skin; 2-electrode material; 3-double-sided adhesive tape; 4-lead wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
The invention provides a coating type low-impedance electrocardio-electrode material which comprises the following components in percentage by mass:
45-66 wt% of PEDOT (PSS) liquid solvent;
a Triton X-100 active agent, wherein the proportion of the Triton X-100 active agent to the PEDOT to PSS liquid solvent is 1-5 wt%;
and the ratio of the Ag nano particles to the PEDOT/PSS liquid solvent is 33-50 wt%.
The PEDOT: PSS (poly (3, 4-ethylenedioxythiophene) -poly (styrenesulfonic acid)) liquid solvent can be a PEDOT: PSS solvent with the model of PH1000, and the weight ratio of the PEDOT to the PSS in the solvent is 1: 2.
Example 1
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.04g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 2 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
When in use, the prepared low-impedance electrocardio-electrode material is filled into a smearing pen, and the caliber d of the smearing pen is less than or equal to 0.4 mm; drawing a 1.5cm multiplied by 1.5cm electrode pattern on the surface of the skin by using a smearing pen, wherein the smearing speed is controlled to be 1 cm/second in order to control the thickness of the skin electrode; one surface of a double-sided adhesive tape (with the size of 1cm multiplied by 1cm) is attached to the electrode pattern, and the other surface is connected with an electrocardio lead wire.
The thickness range of the skin electrode film drawn by the electrocardio-electrode material and the using method provided by the embodiment is 10-15 mu m, and the electrocardio-electrode material has good adhesion and stretchability when being attached to skin. The impedance value of the electrode prepared by the method is close to that of a commercial gel electrode (namely, the electrode material and the commercial electrode material are adopted for carrying out electrocardiogram test to obtain a test curve shown in figure 4, and the Pearson correlation coefficient of the two curves reaches 0.9684), and the impedance value is far lower than that of a metal copper foil electrode. When the frequency is 100Hz, the impedance value of the direct coating type electrode is 49K omega, which is very close to the impedance of a commercial electrode of 36.2K omega and is far less than the impedance of a metal copper foil electrode of 106.24K omega. The conductivity of the 10 μm electrode film was 1118S/m as measured by a Hall test system.
The impedance contrast curves of the skin electrode using the electrode material prepared in this example and using other kinds of electrode materials are shown in fig. 1.
The method provided by the embodiment can be used for preparing the finished product of the Ag-PEDOT/PSS low-impedance electrocardio-electrode material shown in figure 5.
Example 2
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.02g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 1 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
Example 3
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.03g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 1.5 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
Example 4
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.06g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 3 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
Example 5
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.1g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 5 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
Example 6
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.16g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 8 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
Example 7
The crude PEDOT PSS liquid solvent was filtered using a filter head with a pore size of 0.22 μm and weighed to obtain 2g of pure PEDOS PSS polymer. Using Triton X-100 as a non-ionic surfactant, and dripping 0.2g of Triton X-100 into pure PEDOT/PSS solution by using a pipette gun, wherein the mass percent of the Triton X-100 relative to the PEDOT/PSS liquid solvent is about 10 wt%; due to the addition of the surfactant, the structure phase of PEDOT and PSS can be changed, the wound coil can be changed into a linear or expanded structure, the quinoid structure in the molecular formula is increased, the electron delocalization capability is enhanced, the carrier mobility is improved, and further the conductivity is increased. Triton X-100 was added and stirred for 12 hours until Triton X-100 was completely mixed with PEDOT: PSS. After stirring, the solution can be placed in a refrigerator and kept stand for cooling at 4 ℃ so as to maintain stability. Adding Ag nano particles into the conductive polymer solution to improve the conductivity and the self-supporting property, weighing 1g of the Ag nano particles (the diameter is less than or equal to 5 mu m) by using an electronic balance, mixing the Ag nano particles with the conductive polymer solution, and magnetically stirring for 30 minutes until the Ag nano particles and the solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT (PSS low-impedance electrocardio electrode material).
The line graphs of the change of the skin surface resistance of the active agent doped PEDOT PSS conductive polymer with different concentrations obtained in the above examples 1-7 are shown in FIG. 2, and the optimum is when the concentration of the Triton X-100 active agent doping (relative to the mass ratio of PEDOT to PSS liquid solvent) is 2-5 wt%.
Example 8
Drawing an electrode pattern on the surface of the skin by using a painting pen; one surface of the double-sided adhesive tape is attached to the electrode pattern, and the other surface is connected with an electrocardio lead wire. The structure and connection schematic diagram among the skin 1, the electrode material 2, the double-sided adhesive tape conductive tape 3 and the lead wire 4 after the electrocardio-electrode material is coated are shown in fig. 3.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A smearing type low-impedance electrocardio-electrode material is characterized by comprising the following components in percentage by mass:
PEDOT, PSS liquid solvent;
a Triton X-100 active agent, wherein the proportion of the Triton X-100 active agent to the PEDOT to PSS liquid solvent is 1-5 wt%;
and the ratio of the Ag nano particles to the PEDOT/PSS liquid solvent is 33-50 wt%.
2. The coated low impedance electrocardioelectrode material of claim 1, wherein the weight ratio of PEDOT to PSS in the PEDOT to PSS liquid solvent is 1: 2.
3. The preparation method of the coated low-impedance electrocardio-electrode material as claimed in any one of claims 1-2, which is characterized by comprising the following preparation steps:
and filtering the PEDOT PSS liquid solvent to obtain a pure PEDOS PSS solution, adding a Triton X-100 active agent into the PEDOS PSS solvent, stirring for the first time until the Triton X-100 and the PEDOT PSS are completely mixed to form a conductive polymer solution, standing, cooling, adding Ag nanoparticles into the conductive polymer solution, stirring for the second time until the Ag nanoparticles and the conductive polymer solution are uniformly mixed without agglomeration, and finally forming the Ag-PEDOT PSS low-impedance electrocardioelectrode material.
4. The preparation method of the coated low-impedance electrocardioelectrode material as claimed in claim 3, wherein the PEDOT/PSS liquid solvent is filtered by a filter head with a pore size of 0.22 μm.
5. The method for preparing the coated low-impedance electrocardio-electrode material as claimed in claim 3, wherein the time for one stirring is 12 h.
6. The preparation method of the smearing low impedance electrocardioelectrode material as claimed in claim 3, wherein the Triton X-100 active agent and PEDOT PSS are fully mixed and then are kept stand and cooled at 4 ℃.
7. The method for preparing the coated low-impedance electrocardioelectrode material as claimed in claim 3, wherein the time of the secondary stirring is more than or equal to 30 min.
8. Use of the applied low impedance electrocardio-electrode material according to any one of claims 3 to 7, characterized in that it comprises the following steps:
providing a smearing pen and a double-sided adhesive tape;
filling the prepared low-impedance electrocardio-electrode material into a smearing pen;
drawing an electrode pattern on the surface of the skin by using a painting pen;
one surface of the double-sided adhesive tape is attached to the electrode pattern, and the other surface is connected with an electrocardio lead wire.
9. The use method of the application-type low impedance electrocardioelectrode material according to claim 3, wherein the caliber d of the application pen is less than or equal to 0.4 mm.
10. The use method of the application-type low impedance electrocardio-electrode material according to the claim 3, wherein the application speed of the application pen for drawing the electrode pattern on the skin surface is 1 cm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105955.8A CN114392362A (en) | 2022-01-28 | 2022-01-28 | Smearing type low-impedance electrocardio-electrode material and preparation and use methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105955.8A CN114392362A (en) | 2022-01-28 | 2022-01-28 | Smearing type low-impedance electrocardio-electrode material and preparation and use methods thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236475A1 (en) * | 2022-06-08 | 2023-12-14 | 深圳先进技术研究院 | Conductive thin film, method for preparing same, and use thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070246689A1 (en) * | 2006-04-11 | 2007-10-25 | Jiaxin Ge | Transparent thin polythiophene films having improved conduction through use of nanomaterials |
| US20100065814A1 (en) * | 2008-09-16 | 2010-03-18 | The University Of Hong Kong | Hybrid organic/nanoparticle devices |
| CN101852761A (en) * | 2010-05-18 | 2010-10-06 | 浙江大学 | All-solid sodium ion selective electrode and preparation method thereof |
| US20170198155A1 (en) * | 2014-07-25 | 2017-07-13 | Heraeus Deutschland GmbH & Co. KG | Formulations comprising metal nanowires and pedot |
| CN106972103A (en) * | 2017-04-18 | 2017-07-21 | 中国科学院电工研究所 | Prepare PEDOT:The method of PSS/Si heterojunction solar batteries |
| US20180014780A1 (en) * | 2016-07-15 | 2018-01-18 | University Of Connecticut | Conductive polymer electrodes, wiring elements, and use thereof in health and sports monitoring |
| US20210038773A1 (en) * | 2019-08-07 | 2021-02-11 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Silica nanoparticle doped conductive polymer |
| WO2021096066A1 (en) * | 2019-11-13 | 2021-05-20 | 엘지디스플레이 주식회사 | Capacitive pressure sensor and manufacturing method thereof |
-
2022
- 2022-01-28 CN CN202210105955.8A patent/CN114392362A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070246689A1 (en) * | 2006-04-11 | 2007-10-25 | Jiaxin Ge | Transparent thin polythiophene films having improved conduction through use of nanomaterials |
| US20100065814A1 (en) * | 2008-09-16 | 2010-03-18 | The University Of Hong Kong | Hybrid organic/nanoparticle devices |
| CN101852761A (en) * | 2010-05-18 | 2010-10-06 | 浙江大学 | All-solid sodium ion selective electrode and preparation method thereof |
| US20170198155A1 (en) * | 2014-07-25 | 2017-07-13 | Heraeus Deutschland GmbH & Co. KG | Formulations comprising metal nanowires and pedot |
| US20180014780A1 (en) * | 2016-07-15 | 2018-01-18 | University Of Connecticut | Conductive polymer electrodes, wiring elements, and use thereof in health and sports monitoring |
| CN106972103A (en) * | 2017-04-18 | 2017-07-21 | 中国科学院电工研究所 | Prepare PEDOT:The method of PSS/Si heterojunction solar batteries |
| US20210038773A1 (en) * | 2019-08-07 | 2021-02-11 | University Of Pittsburgh - Of The Commonwealth System Of Higher Education | Silica nanoparticle doped conductive polymer |
| WO2021096066A1 (en) * | 2019-11-13 | 2021-05-20 | 엘지디스플레이 주식회사 | Capacitive pressure sensor and manufacturing method thereof |
Non-Patent Citations (3)
| Title |
|---|
| MINJEONG PARK等: "Enhanced Stability and Driving Performance of GO-Ag-NW-based Ionic Electroactive Polymer Actuators with Triton X-100-PEDOT:PSS Nanofibrils", 《POLYMERS》 * |
| SUNGHEE KIM等: "Improved Stability of Transparent PEDOT:PSS/Ag Nanowire Hybrid Electrodes by Using Non-ionic Surfactant", 《CHEMICAL COMMUNICATIONS》 * |
| 张璐等: "心电监测织物电极的研究进展", 《棉纺织技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236475A1 (en) * | 2022-06-08 | 2023-12-14 | 深圳先进技术研究院 | Conductive thin film, method for preparing same, and use thereof |
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