CN114000065A - Antibacterial stainless steel plate - Google Patents
Antibacterial stainless steel plate Download PDFInfo
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- CN114000065A CN114000065A CN202111263249.8A CN202111263249A CN114000065A CN 114000065 A CN114000065 A CN 114000065A CN 202111263249 A CN202111263249 A CN 202111263249A CN 114000065 A CN114000065 A CN 114000065A
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- stainless steel
- antibacterial
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- silver
- zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention relates to the technical field of stainless steel plates, in particular to an antibacterial stainless steel plate. The invention comprises a stainless steel substrate and an antibacterial component, wherein the antibacterial component is formed by mixing copper, silver and zinc, and the stainless steel plate comprises the following components in percentage by mass: 70-80% of stainless steel plate, 5-10% of organic antibacterial agent layer, 2-6% of copper, 2-5% of silver and 2-5% of zinc, and the antibacterial mechanism and characteristics of various antibacterial stainless steel materials including antibacterial stainless steel with copper and silver, antibacterial stainless steel with surface coating and antibacterial composite stainless steel plate, and the application and development status of the antibacterial stainless steel plate are that a certain amount of antibacterial metal elements such as copper, silver and zinc are added into common stainless steel, and the casting, forging, rolling and heat treatment processes are controlled, so that the antibacterial metal elements have certain size and form in the stainless steel matrix. The problems that metals such as chromium, manganese, nickel and the like are generally added into a stainless steel substrate to improve the antibacterial property of the stainless steel, the production cost is high, and the production process is complicated in the stainless steel plate material with the antibacterial property are solved.
Description
Technical Field
The invention relates to the technical field of stainless steel plates, in particular to an antibacterial stainless steel plate.
Background
Stainless steel is defined as steel with stainless and corrosion resistance as main characteristics, generally speaking, the hardness of stainless steel is higher than that of aluminum alloy, the cost of stainless steel is higher than that of aluminum alloy, the processing technology and the quality requirements of raw materials of various products are different due to different purposes, generally speaking, the thickness tolerance of the raw materials of various stainless steel products is different, the antibacterial stainless steel is a structure or function integrated material, has a wide application market in the fields of tableware, kitchenware, bathrooms, medical treatment, household appliances and food processing, has important practical significance for effectively preventing the transmission of germs, preventing cross infection and improving the public health level, and the antibacterial characteristics of the antibacterial stainless steel, the antibacterial effect in different civil environments and the possible application thereof in related fields are briefly introduced below.
The traditional stainless steel plate has certain corrosion resistance, polishing performance and heat resistance, while when the stainless steel is applied to the field of medical equipment, the stainless steel is often required to have certain antibacterial performance, and the antibacterial stainless steel plate material with the antibacterial performance is generally prepared by adding metals such as chromium, manganese, nickel and the like into a stainless steel substrate to improve the antibacterial performance of the stainless steel, so that the production cost is high, and the production process is complicated.
Disclosure of Invention
The invention aims to solve the defects that metals such as chromium, manganese, nickel and the like are generally added into a stainless steel substrate to improve the antibacterial property of the stainless steel, the production cost is high, and the production process is complicated in the prior art, and provides an antibacterial stainless steel plate.
In order to achieve the purpose, the invention adopts the following technical scheme: an antibacterial stainless steel plate comprises a stainless steel substrate and an antibacterial component, wherein the antibacterial component is formed by mixing copper, silver and zinc.
Preferably, the stainless steel plate material comprises the following components in percentage by mass:
stainless steel plate 70-80%
5-10% of organic antibacterial agent layer
2 to 6 percent of copper
2 to 5 percent of silver
2-5% of zinc, and various antibacterial stainless steel materials including antibacterial stainless steel with copper and silver, surface coating antibacterial stainless steel and antibacterial composite stainless steel plate, and its antibacterial mechanism and characteristics, and its application and development status, and adding a certain quantity of antibacterial metal elements of copper, silver and zinc in the general stainless steel, and controlling the processes of casting, forging, rolling and heat treatment so as to make the antibacterial metal elements uniformly and dispersedly separated out in the stainless steel matrix in a certain size and form, and ensure the volume percentage of separated phase, and under the condition of not reducing mechanical property and corrosion resistance of general stainless steel it can give it excellent antibacterial property.
Preferably, the antibacterial component consists of copper, silver and zinc, the copper material is a base material in the antibacterial component, in the processing of the antibacterial stainless steel, compared with the traditional stainless steel, the copper content in the copper-containing antibacterial stainless steel is 0.5-1% more than that in the traditional stainless steel, the antibacterial copper material utilizes the natural antibacterial property of copper, is safe and does not need to add any chemical component, and has strong bactericidal performance on escherichia coli and staphylococcus aureus in the production of the stainless steel by adding copper element, when the copper content in the stainless steel is increased from 1.5% to 3.5%, the bactericidal rate of the stainless steel on the escherichia coli is increased from 75.2% to 99.9%, and the bactericidal rate of the stainless steel on the staphylococcus is increased from 80% to 99%.
Preferably, the copper, the silver and the zinc are all materials dried at high temperature, and the effects of removing impurities and excessive moisture of the copper, the silver and the zinc are achieved to a certain extent by drying the copper, the silver and the zinc.
Preferably, the copper, the silver and the zinc are ground into powder according to the mass percentage and mixed to form the antibacterial component, and the powdery copper, the powdery silver and the powdery zinc can be conveniently and quickly melted and fused with the stainless steel substrate for preparation.
Preferably, the periphery of the stainless steel plate is wrapped with an organic antibacterial agent layer, the organic antibacterial agent layer is a microcolumn structure layer, and the organic antibacterial agent can be vanillin, ethyl vanillin compounds, anilides, imidazoles, thiazoles, isothiazolone derivatives, quaternary ammonium salts, biguanides, phenols and the like.
Preferably, the height of the organic antibacterial agent columnar structure is 5-30 microns, and the width of the organic antibacterial agent columnar structure is 20-30 microns.
Preferably, the organic antibacterial agent is a nano-scale cationic group layer, so that the organic antibacterial agent can be more uniformly distributed on the stainless steel substrate, and the antibacterial property of the stainless steel is further improved.
Preferably, the copper, silver and zinc materials can also be corresponding copper ion, silver ion and zinc ion materials.
Preferably, the organic antibacterial agent can independently comprise the organic antibacterial agent layer according to the application position of the stainless steel substrate, and the organic antibacterial agent is used for coating the stainless steel substrate according to the environment in which the stainless steel substrate is mainly applied.
Compared with the prior art, the invention has the advantages and positive effects that:
in the invention, the antibacterial principle of the antibacterial stainless steel is that cell walls of bacteria are damaged, cell membranes are broken, cell plasma is leaked out, thus the metabolic process of the microorganisms is stopped, the microorganisms cannot grow and reproduce, the antibacterial stainless steel subjected to antibacterial treatment can resist bacteria, but some special bacteria can be treated by special antibacterial agents if the bacteria are required to be treated during the antibacterial treatment, but not all bacteria can be resisted by an antibacterial fabric, some antibacterial agents aim at bacteria, some mould and some yeast, so the applicability of the antibacterial agents is considered, copper is a common element in steel and other types of alloys, the strength and the uniform corrosion resistance of the steel can be improved by adding copper, the cold deformation processing performance of the steel is improved, and conditions are created for developing a novel copper-containing medical metal material with an antibacterial function through an alloying way, the antibacterial material is prepared by fixing metals (or ions thereof) such as silver, copper, zinc and the like on the surface of porous materials such as fluorite, silica gel and the like by utilizing the antibacterial capability of the metals such as silver, copper, zinc and the like through a method such as physical adsorption ion exchange and the like, then the antibacterial material is added into a corresponding stainless steel substrate to obtain the material with the antibacterial capability, metals such as mercury, cadmium, lead and the like also have the antibacterial capability but are harmful to human bodies, ions such as copper, nickel, cobalt and the like have colors and influence the attractiveness of products, and the main variety of the organic antibacterial agent is vanillin or ethyl vanillin compounds which are commonly used in polyethylene food packaging films and play an antibacterial role, and in addition, acylanilides, imidazoles, thiazoles, isothiazolone derivatives, quaternary ammonium salts, biguanides, phenols and the like are also used.
The organic antimicrobial component may also be a compound:
vanillin, also called vanillin, can be used as a plant growth promoter, a bactericide, a lubricating oil defoamer and the like, is an important intermediate for synthesizing medicaments and other spices, can be used as a glazing agent in the electroplating industry, a ripening agent in agriculture, a deodorant in rubber products, an anti-hardening agent in plastic products, a medical intermediate and the like, and is widely applied.
The ethyl vanillin has strong vanilla bean fragrance, is used for semisolid and solid medicaments such as liquid medicaments containing glycerin and ethanol, emulsifiable paste and granules and has strong antibacterial performance.
Imidazoles include ketoconazole, miconazole, econazole, clotrimazole, and the like, and may be used as agents for the treatment of deep fungal infections.
Thiazole is an organic substance and can be used as an organic synthesis reagent for synthesizing medicaments, dyes, rubber accelerators, film color, bactericides, dyes and the like.
Isothiazolinone is a kind of insecticide, it is biocidal through breaking the bond of bacterium and algae protein, after isothiazolinone contacts with microorganism, can inhibit its growth irreversibly rapidly, thus cause the death of the microbial cell, so have very strong inhibit and kill effects to common bacterium, fungi, algae, etc.
The quaternary ammonium salt is also called quaternary ammonium salt, the quaternary ammonium salt has similar properties with inorganic salt, is easy to dissolve in water, the water solution can conduct electricity, and the functions of the quaternary ammonium salt comprise: the Gemini quaternary ammonium salt has the advantages of excellent sterilization effect and low comprehensive cost in the sterilization and disinfection fields of agricultural bactericides, public places, circulating water sterilization and algae removal agents, aquaculture sterilization and disinfection agents, medical sterilization and disinfection agents, livestock and poultry house disinfectants, red tide disinfectants, blue algae disinfectants and the like.
The biguanides can inhibit liver gluconeogenesis, reduce glucose source, enhance glucose uptake and utilization of tissues, enhance insulin sensitivity, inhibit glucagon release, and have certain bactericidal activity.
Phenols are hydroxyl-containing derivatives of aromatic hydrocarbons, volatile phenols and nonvolatile phenols, depending on their volatile constituents. Most of the phenolic compounds existing in nature are the result of plant life activities, the phenol contained in the plant body is called endogenous phenol, the rest is called exogenous phenol, and the phenolic compounds have special aromatic odor, are weak acidic, are easy to oxidize in the environment and have strong bactericidal property.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the following examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The invention provides a technical scheme that: an antibacterial stainless steel plate comprises a stainless steel substrate and an antibacterial component.
The specific arrangement and action will be described in detail below.
The antibacterial component is formed by mixing copper, silver and zinc, and the stainless steel plate material comprises the following components in percentage by mass: 70-80% of a stainless steel plate, 5-10% of an organic antibacterial agent layer, 2-6% of copper, 2-5% of silver and 2-5% of zinc, wherein the antibacterial component consists of copper, silver and zinc, the copper material is a base material in the antibacterial component, the copper, the silver and the zinc are all materials dried at high temperature, the copper, the silver and the zinc are ground into powder according to the mass percentage and are mixed to form the antibacterial component, various antibacterial stainless steel materials comprise antibacterial stainless steel with copper and silver, surface coating antibacterial stainless steel and antibacterial mechanism and characteristics of an antibacterial composite stainless steel plate, a certain amount of antibacterial metal elements such as copper, silver and zinc are added into common stainless steel under the application and development status quo, casting, forging, rolling and heat treatment processes are controlled, so that the antibacterial metal elements are uniformly and dispersedly precipitated in a stainless steel matrix in a certain size and shape, the volume percentage of a precipitated phase is ensured, the common stainless steel is endowed with excellent antibacterial performance under the condition that the mechanical property and the corrosion resistance of the common stainless steel are not reduced, an organic antibacterial agent layer is wrapped on the periphery of the stainless steel plate, the organic antibacterial agent layer is a micro-column structure layer, the height of the organic antibacterial agent column structure is 5-30 microns, in the processing of the antibacterial stainless steel, compared with the traditional stainless steel, the copper content in the copper-containing antibacterial stainless steel is 0.5-1% more than that in the traditional stainless steel, the antibacterial copper material utilizes the natural antibacterial property of copper, is safe and does not need to add any chemical component, in the production of the stainless steel by adding copper element, the antibacterial stainless steel has strong bactericidal performance to escherichia coli and staphylococcus aureus, when the copper content in the stainless steel is increased from 1.5% to 3.5%, the bactericidal rate of the stainless steel to the escherichia coli is increased from 75.2% to 99.9%, the sterilization rate of staphylococcus is increased from 80% to 99%, the width of the columnar structure of the organic antibacterial agent is 20-30 microns, the organic antibacterial agent is a nanoscale cationic group layer, the copper, silver and zinc materials can also be corresponding copper ions, silver ions and zinc ions, the organic antibacterial agent can independently comprise an organic antibacterial agent layer according to the application position of the stainless steel substrate, the organic antibacterial agent layer is a microcolumn structure layer, the organic antibacterial agent can be vanillin, ethyl vanillin compounds, acyl anilines, imidazoles, thiazole derivatives, quaternary ammonium salts, biguanides, phenols and the like, and the organic antibacterial agent is adopted to achieve the purpose that the organic antibacterial agent can be smeared on the stainless steel substrate according to the main application environment of the stainless steel substrate.
The working principle is as follows: the antibacterial principle of the antibacterial stainless steel is that cell walls of bacteria are damaged, cell membranes are broken, cell plasma is leaked out, so that the metabolic process of the microorganisms is stopped, the microorganisms cannot grow and reproduce, the antibacterial stainless steel subjected to antibacterial treatment can resist bacteria, but the antibacterial stainless steel subjected to antibacterial treatment needs to be treated by special antibacterial agents, some special bacteria need to be treated by special antibacterial agents, not all bacteria can be resisted by an antibacterial fabric, some antibacterial agents aim at bacteria, some fungi and some yeasts, so the applicability of the antibacterial agents needs to be seen, copper is a common alloying element in steel and other types of alloys, the strength and the uniform corrosion resistance of the steel can be improved by adding copper, the cold deformation processing performance of the steel is improved, and conditions are created for developing a novel copper-containing medical metal material with an antibacterial function through an alloying way, the antibacterial material is prepared by fixing metals (or ions thereof) such as silver, copper, zinc and the like on the surface of porous materials such as fluorite, silica gel and the like by utilizing the antibacterial capability of the metals such as silver, copper, zinc and the like through a method such as physical adsorption ion exchange and the like, then the antibacterial material is added into a corresponding stainless steel substrate to obtain the material with the antibacterial capability, metals such as mercury, cadmium, lead and the like also have the antibacterial capability but are harmful to human bodies, ions such as copper, nickel, cobalt and the like have colors and influence the attractiveness of products, and the main variety of the organic antibacterial agent is vanillin or ethyl vanillin compounds which are commonly used in polyethylene food packaging films and play an antibacterial role, and in addition, acylanilides, imidazoles, thiazoles, isothiazolone derivatives, quaternary ammonium salts, biguanides, phenols and the like are also used.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. An antibacterial stainless steel plate, which comprises a stainless steel substrate and an antibacterial component, and is characterized in that: the antibacterial component is formed by mixing copper, silver and zinc.
2. An antibacterial stainless steel sheet according to claim 1, characterized in that: the stainless steel plate comprises the following components in percentage by mass:
70-80% of stainless steel plate, 5-10% of organic antibacterial agent layer, 2-6% of copper, 2-5% of silver and 2-5% of zinc.
3. An antibacterial stainless steel sheet according to claim 1, characterized in that: the antibacterial component consists of copper, silver and zinc, and the copper material is a basic material in the antibacterial component.
4. An antibacterial stainless steel sheet according to claim 2, characterized in that: the copper, the silver and the zinc are all materials dried at high temperature.
5. An antibacterial stainless steel sheet according to claim 2, characterized in that: the copper, the silver and the zinc are ground into powder according to the mass percentage and mixed to form the antibacterial component.
6. An antibacterial stainless steel sheet according to claim 1, characterized in that: the periphery of the stainless steel plate is wrapped with an organic antibacterial agent layer which is a micro-column structure layer.
7. An antibacterial stainless steel sheet according to claim 6, characterized in that: the height of the organic antibacterial agent columnar structure is 5-30 microns, and the width of the organic antibacterial agent columnar structure is 20-30 microns.
8. An antibacterial stainless steel sheet according to claim 6, characterized in that: the organic antibacterial agent is a nano-scale cationic group layer.
9. An antibacterial stainless steel sheet according to claim 1, characterized in that: the copper, silver and zinc materials can also be corresponding copper ion, silver ion and zinc ion materials.
10. An antibacterial stainless steel sheet according to claim 6, characterized in that: the organic antimicrobial agent may comprise the organic antimicrobial agent layer alone depending on the stainless steel substrate application location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111263249.8A CN114000065A (en) | 2021-10-28 | 2021-10-28 | Antibacterial stainless steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111263249.8A CN114000065A (en) | 2021-10-28 | 2021-10-28 | Antibacterial stainless steel plate |
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| Publication Number | Publication Date |
|---|---|
| CN114000065A true CN114000065A (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111263249.8A Pending CN114000065A (en) | 2021-10-28 | 2021-10-28 | Antibacterial stainless steel plate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203305592U (en) * | 2013-05-28 | 2013-11-27 | 福建钢泓金属科技有限公司 | Physical antibacterial stainless steel plate |
| CN106393013A (en) * | 2016-08-31 | 2017-02-15 | 孟玲 | Medical antibacterial workbench |
| CN111763887A (en) * | 2020-07-02 | 2020-10-13 | 山东金力特管业有限公司 | Thin-wall antibacterial stainless steel product and preparation method thereof |
| CN112267077A (en) * | 2020-10-28 | 2021-01-26 | 安徽天康特种钢管有限公司 | Medical oxygen stainless steel seamless pipe |
-
2021
- 2021-10-28 CN CN202111263249.8A patent/CN114000065A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203305592U (en) * | 2013-05-28 | 2013-11-27 | 福建钢泓金属科技有限公司 | Physical antibacterial stainless steel plate |
| CN106393013A (en) * | 2016-08-31 | 2017-02-15 | 孟玲 | Medical antibacterial workbench |
| CN111763887A (en) * | 2020-07-02 | 2020-10-13 | 山东金力特管业有限公司 | Thin-wall antibacterial stainless steel product and preparation method thereof |
| CN112267077A (en) * | 2020-10-28 | 2021-01-26 | 安徽天康特种钢管有限公司 | Medical oxygen stainless steel seamless pipe |
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Application publication date: 20220201 |