Antibacterial coating, its preparation methods and metalwork containing the coating

Antibacterial coating, its preparation methods and metalwork containing the coating

  • CN 102,084,019 A
  • Filed: 12/17/2008
  • Published: 06/01/2011
  • Est. Priority Date: 12/17/2008
  • Status: Active Application
First Claim
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1. Claimsantimicrobial coating, it includes the silver powder and powder of stainless steel of antimicrobial effective amount, wherein the silver powder and powder of stainless steel in the form of physical doping to be present in the antimicrobial coating.antimicrobial coating as claimed in claim 1, wherein the antimicrobial coating also contains copper powder.antimicrobial coating as claimed in claim 1 or 2, wherein the powder of stainless steel is Ni-based chromium stainless steel powder, cobalt-based chromium stainless steel powder, iron-based chromium stainless steel powder or its any mixture.the antimicrobial coating as described in any claim in claim 1-3, wherein the weight of the silver powder and the powder of stainless steel is than about 0.01-30%.the antimicrobial coating as described in any claim in claim 2-4, wherein the weight of the copper powder and the powder of stainless steel is than about 0.1-40%.antimicrobial coating according to any one of claims 1 to 5, wherein the particle diameter of the silver powder is about 200 to 2000 mesh.the antimicrobial coating as described in any claim in claim 1-6, it is also containing the micro powdery element beneficial to human body.antimicrobial coating as claimed in claim 7, wherein the powdery element beneficial to human body is selected from potassium, calcium, zinc, chromium, nickel, cobalt, manganese, iron, magnesium, molybdenum, titanium or its any mixture.metallic article, wherein substrate surface are coated with the coating described in any claim in claim 1-8.metallic article as claimed in claim 9, wherein the base material is selected from ferrous metal, non-ferrous metal, alloy or stainless steel.1 1. metallic article as described in claim 9 or 10, wherein the metallic article is kitchen tools, preferably cutter, cooking ware, slice, roasting tool vessel or chopsticks.the metallic article as described in claim 9 or 10, wherein described metallic article be medical instruments, preferably Medical Instruments, scalpel, haemostatic clamp, refer to pincers, plastic forceps, dissecting forceps, dressing pilers, dissecting forceps, dissecting needle, nerve percussion hammer, ophthalmic scissors, laser forceps, ophthalmic forceps, laryngeal spray, pharyngoscope, tuning fork, tooth tweezer, dental explorer, loudspeaker anoscope.the metallic article as described in any claim in claim 9-12, wherein the thickness of the antimicrobial coating is about 0.001-0.35 mm.14. preparing the method for the antimicrobial coating in claim 1-8 described in any claim, it includes(1) silver powder of antimicrobial effective amount is mixed with powder of stainless steel;

  • And(2) by the mixture meltallizing of the silver powder and powder of stainless steel on surface to be processed.15. method as claimed in claim 14, the step of it carries out blast roughening treatment before being additionally included in meltallizing step to the surface to be processed.16. method as claimed in claim 15, the surface Ra carried out after blast roughening treatment step is about 0.7-5 μ

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    .17. method as claimed in claim 14, the step of it also includes being polished processing to the antimicrobial coating of gained.18. the method as described in claim 17, wherein the coating layer thickness by polishing is about 0.001-0.35 mm.19. the method as described in any claim in claim 14-18, wherein carrying out the meltallizing step using HVAF method or high-speed low temperature spraying process.20. the method as described in any claim in claim 14-19, wherein in the meltallizing step, the speed of particle is not less than about 100 m/s during spraying.21. the method as described in any claim in claim 14-20, wherein the antibacterial metal, stainless steel and the element beneficial to human body of addition are flux-cored wire powdered or being made up of powder before meltallizing.22. antimicrobial coating, it is made up of following method,(1) silver powder of antimicrobial effective amount is mixed with powder of stainless steel;

    And(2) by the mixture meltallizing of the silver powder and powder of stainless steel on surface to be processed, wherein the silver powder and powder of stainless steel in the form of physical doping to be present in the antimicrobial coating.23. antibiotic method, it includes the coating described in any claim in product application claim 101-108 to needing to produce antibacterial action.

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