CN103342912A - Antibacterial coating used for surface of metal product - Google Patents
Antibacterial coating used for surface of metal product Download PDFInfo
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- CN103342912A CN103342912A CN2013103120091A CN201310312009A CN103342912A CN 103342912 A CN103342912 A CN 103342912A CN 2013103120091 A CN2013103120091 A CN 2013103120091A CN 201310312009 A CN201310312009 A CN 201310312009A CN 103342912 A CN103342912 A CN 103342912A
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Abstract
The invention discloses an antibacterial coating used for a surface of a metal product. The antibacterial coating comprises a bottom layer, an intermediate layer and a surface layer, wherein the bottom layer is a nickel plating layer; the intermediate layer is a chromium plating layer; the surface layer is a copper-containing antibacterial layer; special antibacterial powder materials are dispersed uniformly between the bottom layer and the intermediate layer. The antibacterial coating used for the surface of the metal product, disclosed by the invention, is reasonable in material use, environment-friendly, safe, heat resistant and wear resistant, has a great effect on sterilizing various bacteria, and is stable and everlasting in antibacterial performance, and wide in applicable scope.
Description
Technical field
The present invention relates to a kind of metal products, relate in particular to a kind of antimicrobial coating for the metal products surface, belong to the metal products technical field.
Background technology
Along with progress and the development of science and technology of society, metal products in the utilization of industry, agricultural and people's various fields of recent life has more and more widely simultaneously also been created increasing value to society.Current, metal products is faced with a lot of problems, and wherein antibiotic problem is the problem that metal products must face and solve, and especially for the metal products that is applied in the fields such as kitchen appliance, food and medical facilities, has more proposed high antibiotic requirement.In order to improve the anti-microbial property of metal products, people add the metal antibacterial material on the metal products surface by coating usually, this metal antibacterial material can utilize the metal ion with sterilizing power to give metallic substance with antibacterial, has stable anti-microbial property.
At present, external antimicrobial treatment comparative maturity for the metal products surface, effect is also relatively good, the metal antibacterial material of development and use is also many, and domestic exploitation in this respect, produce fewer, the metal products of a lot of high anti-microbial properties will could obtain by import, even the domestic demand that can satisfy part antibacterial metal goods, but a lot of antibacterial metal goods of producing with compare the very big gap of existence abroad, as the production cost height, the antibiotic time is not lasting, shortage is to the good sterilization effect of various bacteria and fungi, the anti-biotic material that uses is poisonous dangerous, the heat-resistant antifriction performance is low, popularizing application prospect is little.
Summary of the invention
At the demand, the invention provides a kind of antimicrobial coating for the metal products surface, these antimicrobial coating materials are reasonable, Environmental Safety, heat-resistant antifriction not only can be brought into play splendid sterilization effect to various bacteria, and anti-microbial property is stable, lasting, applied widely.
The present invention is a kind of antimicrobial coating for the metal products surface, described antimicrobial coating comprises bottom, middle layer and top layer, described bottom is nickel layer, described middle layer is chromium coating, described top layer is the cupric antibiotic layer, evenly is dispersed with special anti-bacterial powder material between described bottom and the middle layer.
In a preferred embodiment of the present invention, described nickel layer contains silver-based inorganic antibacterial agent, and its thickness is 10um.
In a preferred embodiment of the present invention, described chromium coating adopts compound coating technology to be plated in bottom surface, and its thickness is 20um.
In a preferred embodiment of the present invention, it is 0.1～0.2% copper particulate that described cupric antibiotic layer comprises concentration, and its thickness is 10um.
In a preferred embodiment of the present invention, described copper mean particle dia is 2um, and itself and airborne moisture react and carries out ionization, form antibiotic layer through high pressure spraying to the chromium coating surface then.
In a preferred embodiment of the present invention, described special anti-bacterial powder material is a kind ofly in the anatase-type titanium oxide powder surface attachment fine powder material of one deck silver particulate to be arranged, and its specific surface area is about 300m
2/ g.
The present invention has disclosed a kind of antimicrobial coating for the metal products surface, and these antimicrobial coating materials are reasonable, Environmental Safety, and heat-resistant antifriction not only can be brought into play splendid sterilization effect to various bacteria, and anti-microbial property is stable, lasting, applied widely.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the coating stratiform structural representation that the embodiment of the invention is used for metal products antibacterial surface coating;
The mark of each parts is as follows in the accompanying drawing: 1, metal products matrix, 2, bottom, 3, the middle layer, 4, the top layer.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
Fig. 1 is the coating stratiform structural representation that the embodiment of the invention is used for metal products antibacterial surface coating; This antimicrobial coating comprises bottom 2, middle layer 3 and top layer 4, and described bottom 2 is nickel layer, and described middle layer 3 is chromium coating, and described top layer 4 is the cupric antibiotic layer, evenly is dispersed with special anti-bacterial powder material between described bottom 2 and the middle layer 3.
The bottom that is used for metal products antibacterial surface coating that the present invention mentions is the nickel layer that contains silver-based inorganic antibacterial agent, its thickness is 10um, the silver-based inorganic antibacterial agent that this nickel layer comprises is to intestinal bacteria, Candida albicans, streptococcus mutans, lactobacillus, the stickiness actinomycetes, streptococcus aureus, Pseudomonas aeruginosas etc. all have germicidal action, especially intestinal bacteria there is 100% sterilization effect, this silver-based inorganic antibacterial agent has has a broad antifungal spectrum, safety non-toxic, thermotolerance and processibility are good, do not produce chemical sproof characteristics, simultaneously, nickel layer can improve the erosion resistance of metallic surface again, increases the aesthetic property of metallic surface.The middle chromium coating that should be used for metal products antibacterial surface coating adopts compound coating technology to be plated in bottom surface, and its thickness is 20um, has good thermotolerance, wear resistance and chemical stability, can play effective protective effect to bottom.
Evenly be dispersed with special anti-bacterial powder material for the bottom of metal products antibacterial surface coating and the composite deposite in middle layer among the present invention, this special anti-bacterial powder material is a kind ofly in the anatase-type titanium oxide powder surface attachment fine powder material of one deck silver particulate to be arranged, and its specific surface area is about 300m
2/ g, this fine powder material can be brought into play the kill bacteria of silver ions and photocatalyst and the double effects of detoxification, and its photocatalyst usefulness is very big, harmful organism can be decomposed into harmless water and carbonic acid gas, thereby effectively prevent environmental pollution.It is 0.1～0.2% copper particulate that the cupric antibiotic layer that should be used for metal products antibacterial surface coating comprise concentration, its thickness is 10um, copper mean particle dia in this cupric antibiotic layer is 2um, itself and airborne moisture react and carry out ionization, high-voltage high-speed through 0.2～0.8 megapascal (MPa) is ejected into chromium coating surface formation antibiotic layer then, this antibiotic layer can have germicidal action to various bacteria and fungi, especially streptococcus aureus is had 100% sterilization effect.The antimicrobial coating that should be used for the metal products surface has the coating of germicidal action by adopting multilayer, has realized continuing at many levels sterilization, and not only sterilization is comprehensive, thorough, and sterilizing time is lasting.
The present invention has disclosed a kind of antimicrobial coating for the metal products surface, and these antimicrobial coating materials are reasonable, Environmental Safety, and heat-resistant antifriction not only can be brought into play splendid sterilization effect to various bacteria, and anti-microbial property is stable, lasting, applied widely.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. antimicrobial coating that is used for the metal products surface, it is characterized in that, described antimicrobial coating comprises bottom, middle layer and top layer, described bottom is nickel layer, described middle layer is chromium coating, described top layer is the cupric antibiotic layer, evenly is dispersed with special anti-bacterial powder material between described bottom and the middle layer.
2. the antimicrobial coating for the metal products surface according to claim 1 is characterized in that, described nickel layer contains silver-based inorganic antibacterial agent, and its thickness is 10um.
3. the antimicrobial coating for the metal products surface according to claim 1 is characterized in that, described chromium coating adopts compound coating technology to be plated in bottom surface, and its thickness is 20um.
4. the antimicrobial coating for the metal products surface according to claim 1 is characterized in that, it is 0.1～0.2% copper particulate that described cupric antibiotic layer comprises concentration, and its thickness is 10um.
5. the antimicrobial coating for the metal products surface according to claim 4 is characterized in that, described copper mean particle dia is 2um, and itself and airborne moisture react and carries out ionization, form antibiotic layer through high pressure spraying to the chromium coating surface then.
6. the antimicrobial coating for the metal products surface according to claim 1 is characterized in that, described special anti-bacterial powder material is a kind ofly in the anatase-type titanium oxide powder surface attachment fine powder material of one deck silver particulate to be arranged, and its specific surface area is about 300m
2/ g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103120091A CN103342912A (en) | 2013-07-24 | 2013-07-24 | Antibacterial coating used for surface of metal product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103120091A CN103342912A (en) | 2013-07-24 | 2013-07-24 | Antibacterial coating used for surface of metal product |
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| CN103342912A true CN103342912A (en) | 2013-10-09 |
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| CN2013103120091A Pending CN103342912A (en) | 2013-07-24 | 2013-07-24 | Antibacterial coating used for surface of metal product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763084A (en) * | 2019-01-30 | 2019-05-17 | 浙江华达新型材料股份有限公司 | The preparation process of the steel plate of belt surface antibacterial plating coating |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134665A (en) * | 1994-11-11 | 1996-05-28 | Nisshin Steel Co Ltd | Production of antibacterial stainless steel sheet |
| CN1243550A (en) * | 1997-11-14 | 2000-02-02 | 住友大阪水泥株式会社 | Method of producing antimicrobial metal articles and antimicrobial metal articles produced by method |
| CN1256868A (en) * | 1998-12-16 | 2000-06-21 | 王志群 | Compound silver series inorganic germifuge |
| CN1288489A (en) * | 1998-01-12 | 2001-03-21 | 斯托克维科有限公司 | Method for coating foil comprised of nickel or nickel alloy |
| CN1934954A (en) * | 2006-10-09 | 2007-03-28 | 陕西科技大学 | Method for preparing nano Ag/TiO2 composite material |
| CN102205244A (en) * | 2011-04-13 | 2011-10-05 | 复旦大学 | Silver-carrying titanium dioxide anti-bacterial agent and preparation method thereof |
| CN102691046A (en) * | 2011-03-25 | 2012-09-26 | 鸿富锦精密工业（深圳）有限公司 | Antibacterial film-coated member and the preparation method thereof |
-
2013
- 2013-07-24 CN CN2013103120091A patent/CN103342912A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134665A (en) * | 1994-11-11 | 1996-05-28 | Nisshin Steel Co Ltd | Production of antibacterial stainless steel sheet |
| CN1243550A (en) * | 1997-11-14 | 2000-02-02 | 住友大阪水泥株式会社 | Method of producing antimicrobial metal articles and antimicrobial metal articles produced by method |
| CN1288489A (en) * | 1998-01-12 | 2001-03-21 | 斯托克维科有限公司 | Method for coating foil comprised of nickel or nickel alloy |
| CN1256868A (en) * | 1998-12-16 | 2000-06-21 | 王志群 | Compound silver series inorganic germifuge |
| CN1934954A (en) * | 2006-10-09 | 2007-03-28 | 陕西科技大学 | Method for preparing nano Ag/TiO2 composite material |
| CN102691046A (en) * | 2011-03-25 | 2012-09-26 | 鸿富锦精密工业（深圳）有限公司 | Antibacterial film-coated member and the preparation method thereof |
| CN102205244A (en) * | 2011-04-13 | 2011-10-05 | 复旦大学 | Silver-carrying titanium dioxide anti-bacterial agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 时海芳，姜晓红，李智超: "金属基抗菌涂层发展现状", 《电镀与涂饰》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763084A (en) * | 2019-01-30 | 2019-05-17 | 浙江华达新型材料股份有限公司 | The preparation process of the steel plate of belt surface antibacterial plating coating |
| CN109763084B (en) * | 2019-01-30 | 2021-03-23 | 浙江华达新型材料股份有限公司 | Preparation process of steel plate with surface antibacterial coating |
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Application publication date: 20131009 |