WO2012122666A1 - Substance antibactérienne métallique dotée d'une couche protectrice et décorative - Google Patents

Substance antibactérienne métallique dotée d'une couche protectrice et décorative Download PDF

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Publication number
WO2012122666A1
WO2012122666A1 PCT/CN2011/000384 CN2011000384W WO2012122666A1 WO 2012122666 A1 WO2012122666 A1 WO 2012122666A1 CN 2011000384 W CN2011000384 W CN 2011000384W WO 2012122666 A1 WO2012122666 A1 WO 2012122666A1
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WO
WIPO (PCT)
Prior art keywords
metal
antibacterial
layer
coating
magnetic conductive
Prior art date
Application number
PCT/CN2011/000384
Other languages
English (en)
Chinese (zh)
Inventor
钱远强
林志雄
詹振强
Original Assignee
Chin Yuen Keung Raymond
Lam Chi Hung
Jim Chun Keung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chin Yuen Keung Raymond, Lam Chi Hung, Jim Chun Keung filed Critical Chin Yuen Keung Raymond
Priority to PCT/CN2011/000384 priority Critical patent/WO2012122666A1/fr
Publication of WO2012122666A1 publication Critical patent/WO2012122666A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0015—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterized by the colour of the layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements

Definitions

  • the present invention relates to a metal antibacterial substance containing an antibacterial coating, and more particularly to a metal antibacterial substance having a decorative protective layer. Background technique
  • the applicant discloses in the patent application WO 2010/069104 A1 an antibacterial coating and an article having antibacterial properties, which use a supersonic flame coating method or a high speed low temperature spraying method to contain silver powder and stainless steel powder having a particle diameter of 200 to 2000 mesh.
  • the mixture is sprayed to form an antibacterial coating on the surface of the stainless steel substrate, and the silver powder and the stainless steel powder in the antibacterial coating are physically doped, and the weight ratio of the silver powder to the stainless steel powder is 0.01 to 30%.
  • This antibacterial coating and product has a very good antibacterial effect and a bactericidal index, and is widely used in fields such as kitchen utensils, medical appliances, buses, and facilities such as airplanes.
  • the bacteria works well, but in the process of use, on the one hand, due to the requirements of the place of use (for example: some countries or regions require that the handrails of subways and buses must be colored, and the toilet of the aircraft is coated on the surface of the toilet for convenience. PTFE, etc.), it is necessary to cover a layer of functional or decorative layer on the antibacterial coating or product, and on the other hand, because silver ions can sterilize and also cause harm to human cells, it is necessary to cover the antibacterial coating product. A layer of protective layer to prevent the release of silver ions from harming the human body. When the antibacterial coating or the product is covered with a decorative layer or a protective layer, the sterilizing ability cannot be exerted, and the antibacterial effect is greatly reduced.
  • the technical problem to be solved by the present invention is to provide a metal antibacterial substance having a decorative protective layer and having an excellent antibacterial effect.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: a metal antibacterial substance with a decorative protective layer, which is composed of a metal substrate, and an antibacterial coating is sprayed on the surface of the metal substrate, the antibacterial coating
  • the layer comprises an antibacterially effective amount of silver particles and a metal powder, wherein the silver particles and the metal powder are present in the antibacterial coating in a physically doped form, and the weight ratio of the silver particles to the metal powder is 1 ⁇ 10%, the silver particles have a particle diameter of 50 to 2000 mesh, and the antibacterial coating is covered with a magnetic conductive metal layer or a magnetic conductive non-metal layer.
  • the magnetic conductive metal layer or the magnetic conductive non-metal layer has a thickness of 0.1 to 30 ⁇ m.
  • the thickness of the magnetic conductive metal layer or the magnetic conductive non-metal layer is 0.1 to 10 m 0.
  • the hardness of the magnetic conductive metal layer or the magnetic conductive non-metal layer is 8 ⁇ to ⁇ ⁇ 2000.
  • the magnetic conductive metal layer is a nickel layer or a vacuum ion-plated titanium layer.
  • the magnetically conductive non-metallic layer is an electrophoretic paint layer.
  • the magnetically conductive non-metal layer can also It is a non-metallic coating made of various other non-metallic coatings, such as: covering, silk screen, pad printing, bronzing, etc.
  • antibacterial or "antibacterial effect” as used herein refers to the general term for bacteriostatic and bactericidal effects.
  • bacteriostatic or "bacteriostatic action” refers to the inhibition of the growth and reproduction of microorganisms, the term “bactericidal” or “bactericidal action”. Refers to the role of killing microbial trophozoites and propagules.
  • the term "physical doping” refers to the formation of an antimicrobial coating of an antimicrobial metal with other metals, such as stainless steel.
  • the antimicrobial metal particles and other metal particles are interstitially filled at the surface of the substrate to form a physical particle doped coating, ie Antibacterial particles and metal particles can be discerned in the coating.
  • the invention has the beneficial effects that the invention can still have a good antibacterial effect after being covered with a decorative protective layer on the antibacterial coating. Therefore, the present invention can have various hardnesses and various hardnesses by using various processes.
  • the choice of color can meet the requirements of use in certain special places, greatly expanding the range of use of antibacterial metal products, and also preventing the release of free silver ions, thereby protecting the human body from silver ions.
  • Figure 1 is a schematic view of the structure of the present invention.
  • a metal antibacterial substance with a decorative protective layer is composed of a metal substrate 1, and a layer of antibacterial coating is sprayed on the surface of the metal substrate 1 by supersonic flame coating or high-speed low-temperature spraying.
  • the antibacterial coating 2 comprises an antibacterial effective amount of silver particles and a metal powder, wherein the silver particles and the metal powder are present in the antibacterial coating in a physically doped form, the silver particles and the weight of the metal powder
  • the ratio of the silver particles is from 50 to 2000 mesh, and the antibacterial coating layer 2 is covered with a magnetic conductive metal layer 3 or a magnetically conductive non-metal layer 3.
  • the magnetically permeable metal layer or the magnetically permeable non-metallic layer has a thickness of 0. ⁇ 30 ⁇ ⁇ .
  • the magnetically permeable metal layer or the magnetically permeable non-metallic layer has a thickness of 0.bu 10. ⁇ ⁇ .
  • the magnetically permeable metal layer or the magnetically permeable non-metallic layer has a hardness of 8 ⁇ to ⁇ ⁇ 2000.
  • the magnetically permeable metal layer is a nickel layer or a vacuum ion-plated titanium layer.
  • the magnetically permeable non-metallic layer is an electrophoretic paint or paint layer, with the exception of iron-containing electrophoretic paints or paints.
  • the antimicrobial coating comprises an antimicrobially effective amount of silver powder, copper powder, and stainless steel powder, wherein the silver powder, copper powder, and stainless steel powder are present in the antimicrobial coating in a physically doped form, and
  • the weight ratio of the silver powder to the stainless steel powder is 1 to 10%
  • the weight ratio of the copper powder to the stainless steel powder is 0.1 to 40%
  • the particle size of the silver particles is 50 to 2000 mesh.
  • the antibacterial coating is covered with a layer of magnetic conductive metal or a non-metallic layer of magnetic conductive.
  • the antimicrobial coating comprises an antimicrobially effective amount of silver particles and a nickel-based chromium-containing stainless steel powder, wherein the silver powder and the nickel-based cerium-containing stainless steel powder are physically doped in the antimicrobial coating. And wherein the weight ratio of the silver particles to the nickel-based chromium-containing stainless steel powder is 1 to 10%, the silver powder has a particle diameter of 50 to 2000 mesh, and the antibacterial coating is coated with a magnetic conductive metal. Layer or magnetically conductive non-metallic layer.
  • the antimicrobial coating comprises an antimicrobially effective amount of silver particles and a cobalt-based inclusion stainless steel powder, wherein the silver powder and the cobalt-based chromium-containing stainless steel powder are present in the form of physical doping on the antimicrobial coating. And wherein the weight ratio of the silver powder to the cobalt-based chromium-containing stainless steel powder is 1 to 10%, the silver powder has a particle diameter of 50 to 2000 mesh, and the antibacterial coating layer is covered with a magnetic conductive metal layer Or a magnetically conductive non-metallic layer.
  • the antimicrobial coating comprises an antimicrobially effective amount of silver powder and an iron-based chromium-containing stainless steel powder, wherein the silver particles and the iron-based chromium-containing stainless steel powder are physically doped in the antimicrobial coating. And wherein the weight ratio of the silver powder to the iron-based chromium-containing stainless steel powder is 1 to 10%, the silver powder has a particle diameter of 50 to 2000 mesh, and the antibacterial coating layer is covered with a magnetic conductive metal layer Or a magnetically conductive non-metallic layer.
  • the antimicrobial coating also contains minor amounts of elements beneficial to the human body, and examples of elements that can be beneficial to the human body that can be included in the antimicrobial coating of the present application include, but are not limited to, potassium, calcium, zinc, chromium. , nickel, cobalt, manganese, iron, magnesium, molybdenum, titanium and any mixture thereof.
  • metal substrates that can be used in the present application include, but are not limited to, ferrous metals, non-ferrous metals, alloys, or stainless steels.
  • ferrous metals that can be used in the metal substrate of the present application include, but are not limited to, iron, Manganese, chromium.
  • non-ferrous metals examples include, but are not limited to, copper, nickel, cobalt, lead, zinc, tin, antimony, titanium, zirconium, molybdenum, tungsten, rhenium.
  • alloys that can be used in the metal substrate of the present application include, but are not limited to, steel, aluminum alloys, copper alloys, magnesium alloys, nickel alloys, tin alloys, titanium alloys, zinc alloys.
  • stainless steel which can be used for the metal substrate of the present application include, but are not limited to, martensitic stainless steel, austenitic stainless steel, ferritic stainless steel, and duplex stainless steel.
  • the antibacterial metal substance of the present application is covered with a protective layer and has various colors, so it can be made into various antibacterial metal products, and has a very wide application and can be applied to the following fields: (1) Metro, high-speed rail and bus have colors Brass armrests and seats;
  • the hospital has a sterile room with a brake function, a surgical room, a hospital bed, a push plate for the emergency door, a tray for carrying the surgical utensils, all the facilities for the diaper and the bathroom, etc.;
  • the lg, the metal silver particles with the particle size of 2000 mesh and the 99 g nickel-based chromium-containing stainless steel powder (NiCr-Cr 3 C 2 ) are mixed in a suitable container, and the surface to be processed is roughened and cleaned to have a surface roughness.
  • Ra reaches 0.3 ⁇ 5 ⁇ m, and uses supersonic flame spraying (HVAF or HV0F) to polish the obtained antibacterial metal coating at a high speed (the particle speed is 160m/s during spraying).
  • HVAF or HV0F supersonic flame spraying
  • the thickness of the coating layer was 0.001 mm
  • the antibacterial metal coating was electrolessly plated in a nickel solution to coat the antibacterial coating with a metal nickel layer having a thickness of 4 m and a hardness of ⁇ 250.
  • the antibacterial metal coating was coated with a layer of titanium (PVD TiN) under vacuum ion plating under vacuum ion plating, and the surface of the antibacterial coating was covered with a vacuum ion-plated titanium layer having a thickness of 5 ⁇ m and a hardness of Hv2000.
  • the microbial analysis and testing center of Guangdong province tested the antibacterial properties of the metal antibacterial substances obtained in Example 2. The analysis results are shown in Table 2.
  • the SILLIKER Microbial Testing Center in Australia compares the metal antibacterial substance obtained in Example 2 with the stainless steel sheet which is not covered with the vacuum ion-plated titanium layer but has an antibacterial coating, and the stainless steel sheet which has not been treated, respectively. Charts 3 and 4.
  • Antibacterial stainless steel sheet Test organism Escherichia coli
  • the Microbial Analysis and Testing Center of Guangdongzhou carried out the antibacterial performance comparison test on the metal antibacterial substance ( ⁇ ) obtained in Example 3 and the martensitic stainless steel sheet (clam sheet) covered with a layer of electrophoretic paint.
  • the results of comparative analysis are shown in Table 5.
  • the live bacteria obtained in 24h get the live

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne une substance antibactérienne métallique dotée d'une couche protectrice et décorative. Ladite substance comprend un substrat métallique, une couche antibactérienne vaporisée à l'état fondu sur le substrat métallique et la couche protectrice et décorative sur la couche antibactérienne. Ladite couche antibactérienne comprend une quantité efficace du point de vue antimicrobien de particules d'argent et de poudre métallique. Les particules d'argent et la poudre métallique sont présentes dans la couche antibactérienne par dopage physique. Le rapport en poids des particules d'argent à la poudre métallique est de 1 ~ 10%. La dimension des particules d'argent se situe entre 50 et 2000 mesh. La couche protectrice et décorative est une couche métallique ou non métallique magnéto-conductrice. La présente invention comprenant la couche protectrice et décorative présente toujours un bon effet bactéricide qui peut être largement utilisé dans une variété de couleurs et de dureté des produits antibactériens.
PCT/CN2011/000384 2011-03-11 2011-03-11 Substance antibactérienne métallique dotée d'une couche protectrice et décorative WO2012122666A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/000384 WO2012122666A1 (fr) 2011-03-11 2011-03-11 Substance antibactérienne métallique dotée d'une couche protectrice et décorative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/000384 WO2012122666A1 (fr) 2011-03-11 2011-03-11 Substance antibactérienne métallique dotée d'une couche protectrice et décorative

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WO2012122666A1 true WO2012122666A1 (fr) 2012-09-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015110851A1 (fr) 2014-01-21 2015-07-30 Centro De Investigación Y Desarrollo Tecnológico En Electroquímica, S.C. Bain électrolytique pour former des revêtements métalliques antibactériens nickel-phosphore-nanoparticules de métal antibactérien

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1570196A (zh) * 2004-04-30 2005-01-26 麦桥 一种表面抗菌、耐磨不锈钢制品及其制备方法
EP1574132A2 (fr) * 2004-03-10 2005-09-14 Globe Union Industrial Corp. Articles sanitaires antimicrobiens et procédé pour leur fabrication
CN1995442A (zh) * 2006-02-28 2007-07-11 姜培齐 利用物理气相沉积技术制造表面抗菌制品的方法
CN201405550Y (zh) * 2009-01-08 2010-02-17 常熟华冶薄板有限公司 具有抗菌层的彩涂钢板
WO2010069104A1 (fr) * 2008-12-17 2010-06-24 Chin Raymond Revêtement antibactérien, ses procédés de préparation et pièce métallique contenant le revêtement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1574132A2 (fr) * 2004-03-10 2005-09-14 Globe Union Industrial Corp. Articles sanitaires antimicrobiens et procédé pour leur fabrication
CN1570196A (zh) * 2004-04-30 2005-01-26 麦桥 一种表面抗菌、耐磨不锈钢制品及其制备方法
CN1995442A (zh) * 2006-02-28 2007-07-11 姜培齐 利用物理气相沉积技术制造表面抗菌制品的方法
WO2010069104A1 (fr) * 2008-12-17 2010-06-24 Chin Raymond Revêtement antibactérien, ses procédés de préparation et pièce métallique contenant le revêtement
CN201405550Y (zh) * 2009-01-08 2010-02-17 常熟华冶薄板有限公司 具有抗菌层的彩涂钢板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015110851A1 (fr) 2014-01-21 2015-07-30 Centro De Investigación Y Desarrollo Tecnológico En Electroquímica, S.C. Bain électrolytique pour former des revêtements métalliques antibactériens nickel-phosphore-nanoparticules de métal antibactérien

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