WO2016017694A1 - Matériau de revêtement utilisable dans la formation d'électrode qui contient une poudre de diamant électroconductrice, électrode, et outil pour thérapie dentaire - Google Patents

Matériau de revêtement utilisable dans la formation d'électrode qui contient une poudre de diamant électroconductrice, électrode, et outil pour thérapie dentaire Download PDF

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WO2016017694A1
WO2016017694A1 PCT/JP2015/071505 JP2015071505W WO2016017694A1 WO 2016017694 A1 WO2016017694 A1 WO 2016017694A1 JP 2015071505 W JP2015071505 W JP 2015071505W WO 2016017694 A1 WO2016017694 A1 WO 2016017694A1
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electrode
bddp
root canal
electrolysis unit
bdd
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PCT/JP2015/071505
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English (en)
Japanese (ja)
Inventor
藤嶋　昭
剛 落合
祥子 田子
近藤　剛史
一人 里村
一男 広田
Original Assignee
公益財団法人神奈川科学技術アカデミー
学校法人東京理科大学
学校法人 総持学園 鶴見大学
株式会社ジーシー
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Publication of WO2016017694A1 publication Critical patent/WO2016017694A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/06—Implements for therapeutic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D201/00—Coating compositions based on unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/13—Ozone
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features

Definitions

  • the present invention relates to a conductive diamond powder-containing paint for electrode formation, an electrode, and a dental treatment instrument.
  • Non-Patent Document 1 Japanese Unexamined Patent Publication No. 2006-346203
  • Non-Patent Document 1 (The entire description is specifically incorporated herein by reference.)
  • ozone or peroxide-containing electrolyzed water generated by electrolyzing raw water in an electrolysis unit having an anode formed of conductive diamond is used for sterilization. It is described.
  • the anode formed of conductive diamond is obtained by forming a conductive diamond (BDD) thin film on the surface of a substrate by a chemical vapor deposition (CVD) method.
  • Sterilization is used in every aspect of life. This is an important technology especially in the medical field. For example, there is a field of dental treatment that needs to suppress inflammation in the oral cavity as a field that requires sterilization.
  • the main treatments for diseases involving bacteria include caries treatment, periodontal treatment, and root canal treatment.
  • Caries are known to occur in Streptococcus mutans bacteria, etc., and if S. mutanns bacteria are sterilized at the caries site and simply filled with filling material, it is usually used in dental treatment. It is possible to fill without the formation of a cavity to remove the infected dental material being performed, not only relieving the patient's pain but also greatly reducing the burden on the dentist. In addition, it is good news from the viewpoint of the preservation of the tooth quality because it is not necessary to cut the tooth quality. In some cases, filling can be done without extracting the pulp, so there is also an advantage of keeping the teeth alive.
  • the soft tissue in the periodontal region around the tooth is deeply detached from the tooth, forming a deep groove called a pocket, and an anaerobic bacteria such as Porphyromonas gingivalis (Porphyromonas gingivalis) It is periodontal disease that propagates and activates osteoclasts and causes bone resorption.
  • an anaerobic bacteria such as Porphyromonas gingivalis (Porphyromonas gingivalis) It is periodontal disease that propagates and activates osteoclasts and causes bone resorption.
  • antibacterial agents are prescribed and treatments for removing tartar and the like are widely performed. In this case as well, if sterilization and sterilization can be achieved without relying on antibiotics, local treatment with antibiotics is not necessary, which is good news for patients.
  • the root canal In root canal treatment, the root canal is usually enlarged to an appropriate size, or the contaminated tooth is mechanically removed with a metal file, etc., and then the root canal is treated with an aqueous solution of sodium hypochlorite or hydrogen peroxide. After the inside is sterilized and washed with EDTA or the like, it is performed by a root canal filling method using a gutta percha point and a root canal sealer. As a result, it is ideal to fill the root canal with a root canal sealer and to make the inside of the root canal sterile.
  • the root canal of a human tooth is usually around 0.4mm-0.5mm, and a complex root canal called a side branch has been developed, such as Enterococcus faecalis. It is difficult to sterilize the entire root canal infected with For the same reason, it is not easy to fill the root canal sealer without gaps. Further, in the sterilization method using a drug, the side effect of the drug must always be considered. Therefore, in the current root canal treatment method, bacteria may remain in the root canal and cause inflammation, etc. It is not possible to sterilize the root canal by one root canal filling. It was not easy.
  • the inventors of the present invention planned and examined performing sterilization in dental treatment such as caries, periodontal disease, and root canal treatment using an electrolytic method. Specifically, it includes an anode in which a conductive diamond (BDD) thin film is coated on a needle-like or plate-like base material by CVD, and has a size and structure that can be inserted into a root canal that is a thin tube especially in dental treatment. An electrolysis unit was prepared, electrolysis was performed using this electrolysis unit, and electrolyzed water having sterilizing power was generated and sterilized.
  • BDD conductive diamond
  • the needle-like base material was a flexible needle-like object having a diameter of about 0.5 mm, and the BDD thin film was easily peeled when the base material was bent. Furthermore, peeling of the BDD thin film was also observed when gas such as oxygen was generated by electrolysis and gas was generated at the interface between the substrate and the BDD thin film. Even the root canal that was enlarged for root canal treatment had an inner diameter of about 0.4 mm, and it was necessary to make a thinner electrode.
  • Patent Document 2 An electrode using a coating made of a mixture of BDD powder and a resin binder is described in JP 2013-76130 (Patent Document 2, the entire description of which is specifically incorporated herein by reference). .
  • the electrode described in Patent Document 2 is an electrode in which a BDD ink containing BDD powder and an insulating binder is deposited on a carbon paste.
  • the conductive diamond electrode described in the example of Patent Document 2 is manufactured using BDD ink in which BDD powder and polyester resin are changed in a volume ratio of BDD powder to 18% to 89% with respect to the volume of the polyester resin. It is a thing.
  • the inventors prepared BDD ink based on the description of this example, prepared an electrode having a coating made of BDD powder and polyester resin on a needle-like base material, and used this electrode to create a root canal. Then, electrolyzed water was generated and sterilization in the root canal was examined. As a result, in the case of a coating having a high BDD powder content, it was possible to generate electrolyzed water in the root canal. However, gas such as oxygen was generated by electrolysis, and peeling of the BDD powder-containing thin film was observed due to the impact and load.
  • the present invention has a high adhesive strength with the surface of the base material, and is coated on a flexible needle-like material or a base material surface equivalent to the flexible needle-like material.
  • An object of the present invention is to provide an electrode-forming conductive paint that can provide a thin film that is difficult to peel even when a gas is generated, and to provide an electrode that is formed using this paint and has a conductive thin film that is difficult to peel off.
  • the present inventors examined the development of a conductive material that uses BDD powder, has high adhesion strength to the substrate surface, and can be used as an electrode material, particularly an electrode material for electrolysis. As a result, a film formed on the substrate surface using a composition containing a predetermined ratio of BDD powder and an ion-exchange resin or a composition containing a predetermined ratio of BDD powder and an insulating binder and silicone rubber is obtained.
  • the present invention has been completed by finding that it has good adhesive strength with the substrate surface and can generate electrolyzed water by electrolysis.
  • the present invention is as follows. [1] A conductive paint for electrode formation containing conductive diamond powder (BDDP) and an ion exchange resin dispersion. [2] Conductive paint for electrode formation containing conductive diamond powder (BDDP), insulating binder and silicone rubber. [3] An electrode having an electrode substrate and a conductive coating provided on at least a part of the substrate, the conductive coating comprising a conductive diamond powder (BDDP) and an ion-exchangeable material The electrode containing a resin or containing a BDDP, an insulating binder, and silicone rubber. [4] The electrode according to [3], wherein the electrode base material is a needle-like or plate-like base material.
  • An electrolytic unit including the electrode according to [3] or [4] and a counter electrode.
  • An electrolytic unit comprising the electrode, separator and counter electrode according to [3] or [4].
  • An electrode unit according to [3] or [4] wherein the electrode base material is needle-shaped, and an electrolysis unit in which a tape-shaped counter electrode is wound around the electrode with an ion exchange membrane interposed between the electrode and the counter electrode.
  • the electrolysis unit according to any one of [5] to [7] which is used for caries, periodontal disease, or root canal treatment.
  • [10] [5] A dental treatment instrument including the electrolysis unit according to any one of [7].
  • a dental treatment instrument including the electrolysis unit according to any one of [7].
  • the dental treatment device according to [10] wherein the dental treatment device is a caries, periodontal disease, or root canal treatment device.
  • a flexible base material surface having a high adhesive strength with the base material surface is coated and peeled even when the base material is bent and when gas such as oxygen is generated by electrolysis. It is possible to provide a conductive diamond powder-containing paint for forming an electrode that can provide a difficult thin film, and an electrode having a conductive thin film that is formed using this paint and is difficult to peel off. Furthermore, according to the present invention, it is also possible to provide an electrolysis unit using the electrode and a dental treatment instrument, particularly a root canal treatment instrument using the electrolysis unit.
  • the figure of the electrolysis unit of the present invention is shown (left figure: enlarged view near the interface, right figure: overall image of the central part).
  • the electron microscope image in a root canal is shown.
  • B The inner surface of the root canal after being energized with a BDD electrode at 7.5V for 30 seconds.
  • C Sodium hypochlorite treatment for 30 seconds.
  • D PBS wash for 30 seconds only.
  • the conductive paint for electrode formation of the present invention includes a paint containing conductive diamond powder (hereinafter abbreviated as BDDP) and an ion-exchange resin dispersion (hereinafter referred to as paint A), and BDDP. And a paint containing an insulating binder and silicone rubber (hereinafter referred to as paint B).
  • BDDP conductive diamond powder
  • paint A an ion-exchange resin dispersion
  • paint B a paint containing an insulating binder and silicone rubber
  • conductive diamond powder for example, diamond particles (DP: Diamond Powder) are used as a base material, and conductive diamond particles in which a boron-doped diamond (BDD: Boron Doped Diamond) layer is formed on the surface of the diamond particles.
  • BDD Boron Doped Diamond
  • the diamond particles natural diamond powder such as insulating diamond powder commercially available as an abrasive or artificially produced diamond powder can be used.
  • Artificial diamond powder can be produced by CVD such as thermal CVD, RF plasma, hot filament CVD, PVD such as ion beam or ionized vapor deposition, and high-temperature and high-pressure.
  • the particle diameter (average particle diameter) and shape of the diamond particles are not particularly limited, but are appropriately determined in consideration of the workability of the BDDP-containing paint and the thickness of the BDDP-containing layer after drying the BDDP-containing paint. Is set.
  • the particle diameter of diamond particles is 5 nm to 100 ⁇ m, more preferably 50 nm to 10 ⁇ m, sufficient workability can be secured to produce an electrode having a BDDP-containing layer by printing a BDDP-containing paint. In the formed electrode, it becomes easy to ensure a state in which the BDDP and the electrode base material are electrically connected.
  • the amount of boron doped into the diamond is at least 10 ppm, more preferably 1000 ppm, and even more preferably 10,000 ppm of boron with respect to the carbon constituting the diamond.
  • the boron concentration ratio in the crystal is 10 20 to 10 22 cm ⁇ 3
  • BDDP particles having sufficient conductivity can be obtained.
  • the paint A contains BDDP and an ion exchange resin dispersion.
  • the ion exchange resin dispersion is a product in which a resin having ion exchange properties is dispersed in a dispersion medium, and the resin having ion exchange properties is appropriately selected from so-called ion exchange resins, and preferably has excellent durability. It can be a fluororesin ion exchange resin. Examples of fluororesin-based ion exchange resins include perfluoro ion exchange resins. Examples of dispersions of perfluoro ion exchange resins include Nafion (registered trademark, hereinafter the same) dispersion, perfluoro ion exchange resin solutions. (Asahi Kasei Co., Ltd., Aciplex (registered trademark) -SS-1000: trade name, resin concentration 5%). However, it is not the intention limited to these.
  • Nafion is a perfluorocarbon material composed of a hydrophobic Teflon skeleton composed of carbon-fluorine and a perfluoro side chain having a sulfonic acid group, and typically includes tetrafluoroethylene and perfluoro [2- ( Fluorosulfonylethoxy) propyl vinyl ether], which is a non-crosslinkable polymer and generally has the following structure.
  • Nafion does not dissolve completely in the solvent and exists as a colloidal solution (dispersion). Usually, it is considered that the particles are aggregated in a relatively large colloidal shape having a diameter of about 10 nm in a solvent. For this reason, it is difficult to measure the molecular weight, and it is estimated to be approximately 10,000 to 1,000,000.
  • Nafion (registered trademark) 5 wt% dispersion, Nafion (registered trademark) 10 wt% dispersion, and Nafion (registered trademark) 20 wt% dispersion are commercially available. . Both are liquids in which 5 wt%, 10 wt% or 20 wt% of Nafion (ion exchange resin) is dispersed in a mixed solvent of 1-propanol and 2-propanol.
  • the content ratio (mass ratio) of the BDDP and the ion-exchange resin in the ion-exchange resin dispersion in the paint A is such that the coating formed on the surface of the electrode substrate functions as an electrode for electrolysis (that is, BDDP mass in consideration of good electrical conductivity) and good adhesion strength between the coating formed on the substrate surface and the substrate (that is, it does not peel or is difficult to peel in handling and electrolysis).
  • the mass of the ion-exchange resin is in the range of 10 to 200, preferably in the range of 20 to 150, more preferably in the range of 30 to 100, and still more preferably in the range of 40 to 70, where is 100. .
  • the conductivity increases as the BDDP mass increases, and the bond strength with the substrate increases as the ion exchange resin mass increases.
  • the coating material A can contain an organic solvent in addition to BDDP and an ion exchange resin dispersion.
  • an organic solvent in addition to BDDP and an ion exchange resin dispersion.
  • propanol is contained in the Nafion (registered trademark) 20 wt% dispersion.
  • An organic solvent can also be contained. Paints can also be made without using additional organic solvents.
  • the additional organic solvent is suitably a substance that can favorably disperse BDDP and an ion exchange resin.
  • alcohols used in a Nafion (registered trademark) 20 wt% dispersion or the like for example, ethanol) 1-propanol, 2-propanol.
  • the amount of the organic solvent used can be appropriately determined in consideration of the viscosity and coating performance required for the paint.
  • the paint B is a paint containing BDDP, an insulating binder, and silicone rubber.
  • an insulating binder the polyester resin which is a condensation polymer of polyhydric carboxylic acid (dicarboxylic acid) and polyalcohol (diol) can be mentioned, for example.
  • the insulating binder in addition to the polyester resin, for example, various modified polyester resins such as urethane-modified polyester resin, epoxy-modified polyester resin, acrylic-modified polyester, polyether urethane resin, polycarbonate urethane resin, polyethylene, polypropylene, ethylene Polyolefin resins such as vinyl acetate polymer, maleated polyolefin, vinyl chloride / vinyl acetate polymer, epoxy resin, phenol resin, polyamideimide, nitrocellulose, cellulose acetate butyrate (CAB), cellulose acetate propionate (CAP) Modified celluloses such as) can also be used.
  • modified polyester resins such as urethane-modified polyester resin, epoxy-modified polyester resin, acrylic-modified polyester, polyether urethane resin, polycarbonate urethane resin, polyethylene, polypropylene, ethylene Polyolefin resins such as vinyl acetate polymer, maleated polyolefin, vinyl chloride / vinyl acetate polymer
  • the silicone rubber can be an uncured silicone rubber raw material composition, and can be, for example, a one-component thermosetting silicone resin.
  • the one-part heat-curable silicone resin is not particularly limited, and examples thereof include a one-part heat-curable silicone adhesive manufactured by Shin-Etsu Silicone Co., Ltd., such as KE-1830.
  • the content ratio (mass ratio) of BDDP, insulating binder, and silicone rubber in paint B is that the coating formed on the electrode substrate surface functions as an electrode for electrolysis, that is, good conductivity.
  • BDDP mass was set to 100 in view of the fact that the adhesive strength between the coating film formed on the substrate surface and the substrate was good (that is, it was not peeled off or difficult to peel in handling and electrolysis).
  • the total content of the insulating binder and silicone rubber is in the range of 10 to 200, preferably in the range of 15 to 150, more preferably in the range of 20 to 100, and even more preferably in the range of 25 to 45. is there.
  • the conductivity increases as the BDDP mass increases, and the adhesive strength increases as the total content of the insulating binder and the silicone rubber increases.
  • the content ratio (mass ratio) of the insulating binder and the silicone rubber is the mass of the insulating binder in consideration of the adhesive strength between the coating film formed on the surface of the base material and the base material and the strength of the base film. It is appropriate that the content of silicone rubber is in the range of 1-50, preferably 3-30, more preferably 5-25, and even more preferably 5-15, where . As a general tendency, the adhesive strength and the coating strength increase as the content of silicone rubber increases. However, it is not intended to be limited to the above range, and all are intended to be illustrative.
  • the coating material B can contain an organic solvent in addition to BDDP, an insulating binder, and silicone rubber.
  • the organic solvent can be a substance that can dissolve the insulating binder and the silicone rubber, and examples thereof include methyl ethyl ketone (MEK) and isophorone. However, it is not intended to be limited to this organic solvent.
  • the amount of the organic solvent used can be appropriately determined in consideration of the viscosity and coating performance required for the paint.
  • the electrode of the present invention is an electrode having an electrode substrate and a conductive coating provided on at least a part of the surface of the substrate. Further, the conductive coating contains BDDP and an ion exchange resin, or contains BDDP, an insulating binder, and silicone rubber (cured product).
  • the content of BDDP in the conductive film is selected from the viewpoint that the conductive film exhibits good conductivity (conductivity) even in electrolysis that requires a relatively large amount of current, for example, 10% by mass or more. It is suitable that it is preferably 20% by mass or more, more preferably 30% by mass or more, still more preferably 40% by mass or more, and still more preferably 50% by mass or more.
  • the content of BDDP in the conductive coating is 60% by mass or more, more preferably 70% by mass or more from the viewpoint of having better conductivity (conductivity).
  • the conductivity is improved, but on the other hand, the content of the ion-exchange resin or the insulating binder and the silicone rubber (cured product) is decreased, so that the adhesive strength of the conductive coating is reduced. There is a tendency to decrease.
  • the upper limit of the BDDP content is practical although it depends on the type of ion-exchange resin or insulating binder and silicone rubber (cured product) and the type of BDDP (for example, particle size). Is about 80% by mass. However, this upper limit is only a guide and is not intended to be limited.
  • the conductive film containing BDDP and ion exchange resin can be formed by applying the paint A and removing (evaporating) the organic solvent contained in the paint.
  • the conductive coating containing BDDP, insulating binder and silicone rubber is formed by applying the coating B, removing (evaporating) the organic solvent contained in the coating, and further curing the uncured silicone rubber.
  • Known methods can be appropriately used as a method for applying the coating material to the substrate, a method for removing (evaporating) the organic solvent, a method for curing the uncured silicone rubber, and the like.
  • the electrode base material is not particularly limited in shape or size. It can be appropriately determined in consideration of the application of the electrode of the present invention.
  • the electrode substrate can be, for example, a needle-like or plate-like substrate.
  • the electrode base material is suitably a needle-like member having a diameter of about 0.05 to 0.5 mm.
  • the electrode base material is not intended to be limited to a needle-shaped base material, and various electrode base materials can be employed depending on the use of the electrode.
  • the material of the electrode substrate is preferably a material having resistance to oxidation when the electrode is used as an anode.
  • a noble metal such as platinum or a metal material such as titanium can be used.
  • a noble metal such as platinum may be plated on the electrode substrate to impart resistance.
  • the electrode substrate other than the needle shape may be in various forms such as a plate shape or a mesh shape.
  • the electrode of the present invention can be produced by applying the paint A or B to the surface of the electrode substrate, then drying and, if necessary, heat curing.
  • the thickness of the conductive coating is not particularly limited, but can be in the range of 1 ⁇ m to 1 mm, for example. In the case of an electrode for root canal treatment, for example, it can be in the range of 1 ⁇ m to 200 ⁇ m, preferably in the range of 5 ⁇ m to 100 ⁇ m.
  • the electrolysis unit of the present invention includes the electrode of the present invention and a counter electrode. Furthermore, as an aspect of the electrolytic unit of the present invention, a unit including the electrode, separator and counter electrode of the present invention can be mentioned.
  • the separator should just be a member which can isolate
  • a solid electrolyte such as a conductive resin can be used.
  • a Nafion (registered trademark) film or an Aciplex (registered trademark) film can be used.
  • the ion exchange resin dispersion used as the material of the coating material A may be applied to the counter electrode, and the counter electrode and the separator may be integrated.
  • the thickness of the separator can be appropriately selected in consideration of the structure and dimensions of the electrolysis unit, as well as the electrolysis conditions.
  • the counter electrode is not particularly limited as long as the electrolytic unit can function as an electrolytic system.
  • hydrogen is generated because the counter electrode is a cathode. Therefore, for example, it is appropriate that the material has a low hydrogen generation overvoltage.
  • the electrolysis which consists of noble metal materials, such as platinum, can be illustrated.
  • an electrode of the present invention in which the electrode substrate is needle-shaped, and an electrolytic unit in which a tape-shaped counter electrode is wound around the electrode with an ion exchange membrane interposed between the electrode and the counter electrode. it can.
  • the tape-shaped counter electrode can be spirally wound around the electrode.
  • the tape 30 may be wound around.
  • the thickness of the metal (platinum) tape 30 is suitably in the range of 10 to 100 ⁇ m so that the diameter of the electrolysis unit is smaller than the inner diameter of the root canal, and the thickness of the ion exchange membrane is also in the range of 10 to 100 ⁇ m. It is appropriate that
  • the electrolysis unit of the present invention can be used for dental treatment, for example, for caries, periodontal disease, or root canal treatment.
  • the electrolysis unit shown in FIG. 1 is particularly useful for root canal treatment.
  • the electrolysis unit of the present invention is not intended to be limited to dental treatment, and can also be used as an apparatus for preparing other electrolyzed water for sterilization.
  • the dimensions, shape, and structure of the electrolysis unit can be appropriately selected.
  • the electrolysis unit including the electrolysis and the counter electrode (not including the separator) of the present invention can be used as an alternative to the electrolysis unit of the electrolyzed water spray device described in Patent Document 1 and Non-Patent Document 1.
  • the electrolysis unit of the present invention can also include, in addition to the electrode, (separator) and counter electrode of the present invention, a lead wire, a switch and a power source for connecting the electrode and counter electrode of the present invention to a power source, respectively.
  • a power supply For example, it is a DC power supply and can be specifically a battery.
  • the electrolysis unit is small, and considering operability, a small power source (for example, a dry cell or a button cell), an electrolysis unit and a switch are integrated. There can also be.
  • the voltage used for the electrolysis can be, for example, in the range of 2.5 to 12V, and in the range of 3 to 10V, the electrolysis of water is easily performed and an oxidizing agent such as ozone is easily generated. It is preferable from the viewpoint.
  • the solution used for electrolysis can be water or the aqueous solution which added the appropriate solute to water, and when using a solute, it can select suitably according to a use. If a chloride such as sodium chloride (NaCl) is used as a solute, chlorine and / or hypochlorous acid can be generated by electrolysis.
  • the solution used for electrolysis can be, for example, physiological saline or phosphate buffered physiological saline.
  • the present invention includes a dental treatment instrument including the electrolysis unit of the present invention.
  • the dental treatment instrument can be a root canal treatment instrument.
  • the dental treatment instrument of the present invention can easily produce an aqueous solution for sterilization, and in particular, can produce an aqueous solution for sterilization at a treatment place.
  • Example 1 3 g of polyester resin is dissolved at 35 ° C. in a mixed solvent of 6.3 g of methyl ethyl ketone and 7.8 g of isophorone. Add 0.3 g of silicone resin (Shin-Etsu Silicone, KE-1830) and stir well (Solution A). BDDP and solution A are mixed at a weight ratio of 1: 3 to obtain a BDD paste.
  • This BDD paste is applied to a dental file with a maximum diameter of 0.3 mm used for root canal enlargement, heated to 60 ° C. for 1 hour or longer, and further heated to 120 ° C. for 10 minutes or longer to produce a BDD electrode.
  • an aqueous solution of 12.5% by weight of Nafion is applied to the Al foil in order to adhere the ion exchange membrane to the Al electrode, heated at 60 ° C. for 1 hour or longer, and further heated at 120 ° C. for 10 minutes.
  • An ion exchange membrane is formed on the Al electrode.
  • the Al electrode is cut to a width of about 1 mm, and the Al electrode is spirally wound around the BDD electrode so that the portion of the ion exchange membrane is in contact with the surface of the BDD electrode to produce an electrolysis unit.
  • the electrolysis unit produced by the above method does not break even when applied to a bent root canal, and it is further confirmed that 0.7 mg / l ozone is generated when a voltage of 7.5 V is applied in 1.5 ml of distilled water. Confirmed and found that it can be used for dental treatment.
  • the ozone concentration measurement in this application Example was performed using the multipurpose water quality meter digital pack test multi and pack test ozone (both Kyoritsu RIKEN). A sample solution of 1.5 mL was colored by pack test ozone using an enzymatic 4-aminoantipyrine colorimetric method, and the absorbance was measured with Digital Pack Test Multi to calculate the concentration.
  • FIG. 2 (A) Periodontal disease bacteria P. gingivalis cultured on the inner surface of the root canal. (B) The inner surface of the root canal after being energized with a BDD electrode at 7.5V for 30 seconds. No bacteria are recognized. (C) Sodium hypochlorite treatment for 30 seconds. No bacteria are recognized. (D) PBS wash for 30 seconds only. Many bacteria were observed.
  • Examples 2 to 4 produced BDD electrodes in accordance with Example 1. The main differences are summarized in a table. Details will be described later.
  • Example 2 BDDP and Nafion dispersion liquid (20% Nafion (registered trademark) Dispersion Solution DE2021 CS type) as an ion exchange resin dispersion were weighed to a weight ratio of 10: 5 and mixed to obtain a BDD paste.
  • This BDD paste was applied to a root canal enlarged file (Manny K file 28 mm / # 30) having a maximum diameter of 0.3 mm, and heated at 60 ° C. for 1 hour and 120 ° C. for 10 minutes to obtain a BDD coat file.
  • a root canal enlarged file Manny K file 28 mm / # 30
  • Example 3 BDDP and Nafion dispersion liquid (20% Nafion (registered trademark) Dispersion Solution DE2021 CS type) as an ion exchange resin dispersion were weighed to a weight ratio of 10: 5 and mixed to obtain a BDD paste. Platinum plating was applied to the root canal enlargement file (Manny K file 28mm / # 08) with a maximum diameter of 0.08mm.
  • the file and platinum wire were immersed here, the file was used as a cathode, the platinum wire was used as an anode, electrolysis was carried out for 30 minutes under the conditions of DC 2.5 V and 30 mA, and washed with water to obtain a platinum plating file.
  • the aforementioned BDD paste was applied to this, and heated at 60 ° C. for 1 hour and at 120 ° C. for 10 minutes to obtain a BDD-coated platinum plating file.
  • silicone resin KE-1830 Shin-Etsu Silicone was applied to the tip, and fixed by heating at 60 ° C. for 1 hour and 120 ° C. for 10 minutes.
  • the produced electrolysis unit did not break even if it was adapted to a bent root canal, and further confirmed that 0.41 mg / l ozone was generated when a voltage of 7.5 V was applied in 1.5 ml distilled water, It was found that it can be used for dental treatment.
  • Example 4 3 g of polyester resin is dissolved at 35 ° C. in a mixed solvent of 6.3 g of methyl ethyl ketone and 7.8 g of isophorone. Add 0.3 g of silicone resin (Shin-Etsu Silicone, KE-1830) and stir well (Solution A). BDDP and solution A are mixed at a weight ratio of 2: 3 to obtain a BDD paste. Apply this BDD paste to a dental file with a maximum diameter of 0.08 mm used for enlarging the root canal with platinum plating as in Example 3 and heat to 60 ° C for 1 hour or more, and further heat at 120 ° C for 10 minutes or more. An electrode is produced.
  • silicone resin Shin-Etsu Silicone, KE-1830
  • Solution A Solution A
  • an aqueous solution of 12.5% by weight of Nafion is applied to the Al foil in order to adhere the ion exchange membrane to the Al electrode, heated at 60 ° C. for 1 hour or longer, and further heated at 120 ° C. for 10 minutes.
  • An ion exchange membrane is formed on the Al electrode.
  • the Al electrode is cut to a width of about 1 mm, and the Al electrode is spirally wound around the BDD electrode so that the portion of the ion exchange membrane is in contact with the surface of the BDD electrode to produce an electrolysis unit.
  • the electrolysis unit produced by the above method did not break even when applied to a bent root canal. Furthermore, when a voltage of 7.5 V was applied in 1.5 ml of distilled water, it was confirmed that 1.36 mg / l ozone was generated. It was found that this electrolysis unit can be used for dental treatment.
  • Comparative Example 1 3 g of polyester resin is dissolved at 35 ° C. in a mixed solvent of 6.3 g of methyl ethyl ketone and 7.8 g of isophorone (solution A). BDDP and solution A are mixed at a weight ratio of 3: 5 to obtain a BDD paste.
  • This BDD paste is applied to a dental file with a maximum diameter of 0.3 mm used for root canal enlargement, heated to 60 ° C. for 1 hour or longer, and further heated to 120 ° C. for 10 minutes or longer to produce a BDD electrode.
  • an aqueous solution of 12.5% by weight of Nafion is applied to the Al foil in order to adhere the ion exchange membrane to the Al electrode, heated at 60 ° C.
  • An ion exchange membrane is formed on the Al electrode.
  • the Al electrode is cut to a width of about 1 mm, and the Al electrode is spirally wound around the BDD electrode so that the portion of the ion exchange membrane is in contact with the surface of the BDD electrode to produce an electrolysis unit.
  • the electrolysis unit produced by the above method did not adapt to the bending of the bent root canal and was broken and could not be used for the electrode.
  • Example 5 A hydroxyapatite plate (diameter 5 mm, thickness 1 mm) sterilized by autoclaving at 121 ° C. for 15 minutes was immersed in 2 ml of BHI liquid medium, and E. faecalis was anaerobically cultured overnight. On the HA plate, a film of E, faecalis was formed. The BHI liquid medium was discarded and 2 ml of normal PBS buffer was added, and the BDD electrolysis unit prepared in Example 4 was energized at 7.5 V for 15 seconds. Thereafter, 20 ⁇ l of sodium thiosulfate was added to completely remove the remaining active oxygen. The concentration of viable bacteria was compared with the fluorescence intensity of aramal blue.
  • the fluorescence intensity was compared after energization for 15 seconds and when immersed in a PBS solution for 15 seconds without energization.
  • the fluorescence intensity decreased by 53%, and a bactericidal effect was clearly observed.
  • Example 6 A hydroxyapatite plate (diameter 5 mm, thickness 1 mm) sterilized by autoclaving at 121 ° C. for 15 minutes was immersed in 2 ml of BHI liquid medium, and S. mutans was anaerobically cultured overnight. A film of S. mutans was formed on the HA plate. The BHI liquid medium was discarded and 2 ml of normal PBS buffer was added, and the BDD electrolysis unit prepared in Example 4 was energized at 7.5 V for 15 seconds. Thereafter, 20 ⁇ l of sodium thiosulfate was added to completely remove the remaining active oxygen. The concentration of viable bacteria was compared with the fluorescence intensity of aramal blue.
  • the fluorescence intensity was compared after energization for 15 seconds and when immersed in a PBS solution for 15 seconds without energization.
  • the fluorescence intensity decreased by 55%, and a bactericidal effect was clearly observed.
  • Comparative Example 2 A hydroxyapatite plate (diameter 5 mm, thickness 1 mm) sterilized by autoclaving at 121 ° C. for 15 minutes was immersed in 2 ml of BHI liquid medium, and S. mutans was anaerobically cultured overnight. A film of S. mutans was formed on the HA plate. The BHI liquid medium was discarded and 2 ml of normal PBS buffer solution was added, and a 100 ppm sodium hypochlorite aqueous solution was allowed to act for 15 seconds. The concentration of viable bacteria was compared with the fluorescence intensity of aramal blue.
  • Example 7 Human extracted teeth were prepared. Those with an inner diameter of the root canal of less than 0.4 mm were expanded to 0.4 mm with a root canal reamer. The root canal was thoroughly washed with a PBS solution and sterilized at 121 ° C. for 15 minutes to prepare a sample. This sample was immersed in 2 ml of BHI liquid medium, P. gingivalis (P. gingivalis) was further added and cultured for one day, and the root canal was filled with bacteria. On the other hand, a BDD electrolysis unit having an outermost diameter of 0.25 mm to 0.3 mm was produced according to the method of Example 4. Bacterial fluid was removed from the root canal containing the bacteria cultured for one day and night and replaced with PBS buffer.
  • P. gingivalis P. gingivalis
  • Examples 8 and 9 Culturing was performed in the same manner as in Example 7. However, the fungus was replaced with S. mutans and E. faecallis. The bacteria were not cultured in those energized at 7.5 V for 60 seconds.
  • Example 10 An extracted bovine root canal was prepared. The diameter of the root canal was adjusted to 1 mm or more. Sterilized in an autoclave at 121 ° C for 15 minutes. On the other hand, a BDD electrolysis unit was prepared according to the production method in Example 2. In the bovine root canal, P. gingivalis was cultured overnight to propagate the fungus. The inside of the root canal was replaced with PBS buffer, a BDD electrolysis unit was inserted, and a voltage of 7.5 V was applied to energize for 30 seconds. The decrease in the bacterial concentration was measured by fluorescence spectroscopy using Alamar Blue before and after energization. The fluorescence intensity before and after energization decreased by 99%, confirming the bactericidal effect of the BDD electrolysis unit.
  • Example 11 According to the method of Example 10, the effect of the BDD electrolysis unit was measured by changing the bacterial species. The cells used and the results are summarized in the table. The size of the bovine root canal and the energization conditions are the same as in Example 10.
  • a extracted bovine root canal was prepared. The diameter of the root canal was adjusted to 1 mm or more.
  • P. gingivalis was cultured overnight to propagate the fungus.
  • the root canal was washed with physiological saline (PBS aqueous solution) for 30 seconds. Before and after washing, a decrease in the bacterial concentration was measured by fluorescence spectroscopy using aramal blue. The rate of decrease before and after washing was about 2%, showing almost no change.
  • Example 13 0.05 g of the coating solution A prepared in Example 1 was applied to a Pt plate and an Al foil (1 cm 2 ), and cured by heat treatment in the same manner as in Example 1.
  • the obtained film was sufficiently flexible and conductive.
  • the prepared electrode was used as an anode and the Pt wire was used as a cathode, both were immersed in PBS, and electrolysis was performed by applying a voltage of 7.5 V. Any electrode could be electrolyzed without peeling even in PBS.
  • the present invention is useful in fields related to electrode manufacturing technology and electrolyzed water manufacturing technology.

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Abstract

Cette invention concerne un matériau de revêtement électroconducteur utilisable dans la formation d'électrode, qui comprend une poudre de diamant électroconductrice (BDDP) et une dispersion de résine d'échange d'ions ou qui comprend une poudre BDDP, un liant isolant et un caoutchouc de silicone. Une électrode constituée d'un matériau de base d'électrode et d'un film de revêtement électroconducteur formé sur la surface du matériau de base est décrite. Le film de revêtement électroconducteur comprend une poudre BDDP et une résine échangeuse d'ions ou comprend une poudre BDDP, un liant isolant et un caoutchouc de silicone. Un outil de thérapie dentaire comprenant une unité d'électrode, ledit outil de thérapie dentaire étant un outil utilisé pour les caries, les maladies parodontales ou le traitement des canaux radiculaires est en outre décrit.
PCT/JP2015/071505 2014-07-30 2015-07-29 Matériau de revêtement utilisable dans la formation d'électrode qui contient une poudre de diamant électroconductrice, électrode, et outil pour thérapie dentaire WO2016017694A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019086551A1 (fr) * 2017-11-02 2019-05-09 Friedrich-Alexander-Universität Erlangen-Nürnberg Implant ou instrument médical en métal
EP3733238A1 (fr) 2019-04-30 2020-11-04 Friedrich-Alexander-Universität Erlangen-Nürnberg Électrode flexible d'un matériau de base métallique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017159002A (ja) * 2016-03-08 2017-09-14 株式会社iMott 医療用処置具
JP7317298B2 (ja) * 2019-06-13 2023-07-31 株式会社エーワンテクニカ ダイヤモンド電極、ダイヤモンド電極の製造方法および導電性ダイヤモンドの塗布方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007050237A (ja) * 2005-07-18 2007-03-01 Coltene Whaledent Gmbh & Co Kg 研磨剤コーティングを有する根管用器具およびその製造方法
JP2007528495A (ja) * 2004-03-09 2007-10-11 エレメント シックス ベスローテン フェンノートシャップ ダイヤモンド粒子を含有する電気化学的センサー
JP2013030470A (ja) * 2011-06-24 2013-02-07 Showa Denko Kk インク、該インクを用いて形成される電極触媒層およびその用途
JP2013076130A (ja) * 2011-09-30 2013-04-25 Tokyo Univ Of Science 導電性ダイヤモンド電極及びその製造方法
JP2014095110A (ja) * 2012-11-08 2014-05-22 Kobe Steel Ltd ダイヤモンド電極及びその製造方法、並びにダイヤモンド電極を用いたオゾン発生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5290656B2 (ja) * 2008-07-22 2013-09-18 東海旅客鉄道株式会社 ホウ素ドープダイヤモンドの製造方法
JP5113892B2 (ja) * 2010-04-30 2013-01-09 アクアエコス株式会社 膜−電極接合体、これを用いる電解セル、オゾン水製造装置、オゾン水製造方法、殺菌方法及び廃水・廃液処理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007528495A (ja) * 2004-03-09 2007-10-11 エレメント シックス ベスローテン フェンノートシャップ ダイヤモンド粒子を含有する電気化学的センサー
JP2007050237A (ja) * 2005-07-18 2007-03-01 Coltene Whaledent Gmbh & Co Kg 研磨剤コーティングを有する根管用器具およびその製造方法
JP2013030470A (ja) * 2011-06-24 2013-02-07 Showa Denko Kk インク、該インクを用いて形成される電極触媒層およびその用途
JP2013076130A (ja) * 2011-09-30 2013-04-25 Tokyo Univ Of Science 導電性ダイヤモンド電極及びその製造方法
JP2014095110A (ja) * 2012-11-08 2014-05-22 Kobe Steel Ltd ダイヤモンド電極及びその製造方法、並びにダイヤモンド電極を用いたオゾン発生装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TSUYOSHI OCHIAI ET AL.: "Dodensei Diamond Micro Denkyoku o Mochiita Pin Point Ozone Seisei Unit to sono Shika Iryo eno Oyo", THE ELECTROCHEMICAL SOCIETY OF JAPAN SORITSU 80 SHUNEN KINEN TAIKAI KOEN YOSHISHU, vol. 80, 29 March 2013 (2013-03-29), pages 426 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019086551A1 (fr) * 2017-11-02 2019-05-09 Friedrich-Alexander-Universität Erlangen-Nürnberg Implant ou instrument médical en métal
US11793733B2 (en) 2017-11-02 2023-10-24 Friedrich-Alexander-Universitaet Erlangen-Nurnberg Implant or medical tool made of a metal
EP3733238A1 (fr) 2019-04-30 2020-11-04 Friedrich-Alexander-Universität Erlangen-Nürnberg Électrode flexible d'un matériau de base métallique
WO2020221555A1 (fr) 2019-04-30 2020-11-05 Friedrich-Alexander-Universität Erlangen-Nürnberg Électrode souple constituée d'un matériau de base métallique

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