CN1304627C - Surface antibiotic, wearable stainless steel products and its production method - Google Patents

Surface antibiotic, wearable stainless steel products and its production method Download PDF

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CN1304627C
CN1304627C CNB2004100270632A CN200410027063A CN1304627C CN 1304627 C CN1304627 C CN 1304627C CN B2004100270632 A CNB2004100270632 A CN B2004100270632A CN 200410027063 A CN200410027063 A CN 200410027063A CN 1304627 C CN1304627 C CN 1304627C
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stainless steel
coatings
abrasion
tiagn
target
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CN1570196A (en
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姜培齐
麦桥
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Abstract

The present invention relates to a stainless steel product with an antibacterial and wear-resistant surface, and a preparation method thereof. The stainless steel product with an antibacterial and wear-resistant surface comprises a stainless steel base material (1) and a plurality of TiAgN film coating layers (2), wherein the TiN and TiAgN film coating layers (2) are coated on the outer side of the stainless steel base material (1). The outer side of the stainless steel base material (1) can be coated with one or more than one TiN and TiAgN film coating layer (2); the content of silver and the content of titanium in the TiN and TiAgN film coating layer (2) changes in a staircase mode: the inner film coating layer is low in the silver content and high in the titanium content, and the outer film coating layer is high in the silver content and low in the titanium content. The stainless steel product with an antibacterial and wear-resistant surface of the present invention has the advantages of favorable antibacterial property and persistent wear resistance. The preparation method of the stainless steel product with an antibacterial and wear-resistant surface of the present invention comprises: the magnetron sputtering method is adopted, and palladium material can adopt TiAg alloy, spliced palladium composed of Ti and Ag, or palladium composed of Ti and Ag; the stainless steel base material (1) and the palladium material are put in a shielding cover, and nitrogen is filled in the shielding cover in the sputtering process. The preparation method of the stainless steel product with an antibacterial and wear-resistant surface of the present invention has the advantages of simple and convenient preparation, high efficiency and low production cost.

Description

A kind of antibacterial surface, Wear-resisting Stainless Steel Products and its preparation method
1, technical field:
The present invention is a kind of antibacterial surface, Wear-resisting Stainless Steel Products and its preparation method, belongs to the innovative technology of Stainless Steel Products and preparation method thereof.
2, background technology:
Existing stainless steel with antibacterial surface goods are mainly used in many goods such as tableware, medicine equipment, button, handle, door knob.At present, abroad some units have researched and developed and have mixed silver-colored stainless steel and goods thereof, have good antibacterial effect, and microbe population obviously reduces after 1 hour, can suppress 99% bacterial growth in 24 hours.NKK utilizes inorganic antiseptic to develop antibiotic precoated steel plate, promptly in advance through being coated with on the clad steel plate organic resin coatings such as the vibrin that has inorganic antiseptic in the spraying again, polyoxyethylene resin before zinc-plated, have good antimicrobial property, be widely used in washing machine cylinder body, refrigerator internal layer.Massachusetts, USA state dimension Ke Feierde city A Jin (Agion) company has developed a kind of silver zeolite coating stainless steel, has been used for medical facilities, food utensil, has the good bacterium performance of doing.The said products all has the biological antibiotic performance, has reached good antibiotic mouthful.But because of silver is noble metal, the stainless steel product cost of mixing silver is too high, though through still having germ resistance after the wearing and tearing, limit its use owing to cost is too high, and stainless steel product is, and its surface needs antibiotic, the antibiotic no practical significance of nexine body, the whole stainless steel product of evenly mixing silver causes significant wastage.Also have other several anti-biotic materials surfaces all to have good antibacterial property, but wear no resistance, antibacterial effect can not be lasting.
3, summary of the invention:
The objective of the invention is to overcome above-mentioned shortcoming and provide a kind of good anti-microbial property that has, lasting again attrition resistant antibacterial surface, abrasion-proof stainless steel goods.
Another object of the present invention is to provide a kind of making simple and convenient, efficient height, the preparation method of the antibacterial surface that production cost is low, abrasion-proof stainless steel goods.
The structural representation of antibacterial surface of the present invention, abrasion-proof stainless steel goods includes stainless steel substrate (1) and some TiN and TiAgN coatings (2) as shown in drawings, and TiN and TiAgN coatings (2) are plated in the outside of stainless steel substrate (1).
Above-mentioned some TiN and TiAgN coatings (2) are one or more layers.
Contained silver, titanium composition is the step change in above-mentioned each TiN and the TiAgN coatings (2), and promptly interior coatings argentiferous composition is low, titaniferous composition height, and outer coatings argentiferous composition height, the titaniferous composition is low.
The above-mentioned argentiferous composition of interior coatings is 0~0.3%, and the argentiferous composition of outermost coatings can be 0.3~30%.
The thickness of above-mentioned each TiN and TiAgN coatings (2) is step from inside to outside and changes, and promptly the thickness of interior coatings is little, and the thickness of outer coatings is big.
The above-mentioned thickness of interior coatings is 0.01 μ m~5 μ m, and the thickness of outermost coatings is 0.1 μ m~10 μ m.
The preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods adopts magnetron sputtering method, and target adopts the TiAg alloy, and stainless steel substrate (1) and TiAg alloy target material place in the shielding case, charge into nitrogen in sputter procedure in shielding case.
The preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods adopts magnetron sputtering method, stainless steel substrate (1) is reached the assembly target of being made up of Ti, Ag place in the shielding case, charges into nitrogen in sputter procedure in shielding case.
The temperature of above-mentioned silver-colored target and titanium target is step and changes in sputter procedure, promptly the Heating temperature of titanium target is along with coatings reduces from inside to outside and gradually, and the Heating temperature of silver-colored target is along with coatings raises from inside to outside and gradually.
The preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods adopts magnetron sputtering method, and stainless steel substrate (1) and target that argent is set on the titanium target are placed in the shielding case, charges into nitrogen in sputter procedure in shielding case.
Antibacterial surface of the present invention, abrasion-proof stainless steel goods because the hardness of TiN is stainless more than 3 times, have good wear resistance owing to adopt the structure that is coated with several layers TiN and TiAgN coatings on stainless steel substrate.Ag has good inorganic antiseptic, makes silver-colored nanometer after sputter, and its antibacterial effect strengthens hundreds of times, and therefore, antibacterial surface of the present invention, abrasion-proof stainless steel goods not only have good antimicrobial property, and have persistent wear resisting property again.The present invention is a kind of good comprehensive properties antibacterial surface, abrasion-proof stainless steel goods.In addition, the preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods makes simple and convenient, the efficient height, and production cost is low.
4, description of drawings:
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the A-A cutaway view Amplified image among Fig. 1.
5, embodiment:
Embodiment 1:
The structural representation of antibacterial surface of the present invention, abrasion-proof stainless steel goods includes stainless steel substrate (1) and some TiN and TiAgN coatings (2) as shown in Figure 1, 2, and TiN and TiAgN coatings (2) are plated in the outside of stainless steel substrate (1).
Above-mentioned some TiN and TiAgN coatings (2) can be one or more layers.In the present embodiment, TiN and TiAgN coatings (2) can be 4 layers.
Contained silver, titanium composition is the step change in above-mentioned each TiN and the TiAgN coatings (2), and promptly interior coatings argentiferous composition is low, titaniferous composition height, and outer coatings argentiferous composition height, the titaniferous composition is low.
The above-mentioned argentiferous composition of interior coatings can be 0~0.3%, and the argentiferous composition of outermost coatings can be 0.3~30%.In the present embodiment, the argentiferous composition of interior coatings can be 0%, and the argentiferous composition of outermost coatings can be 0.3%.
The thickness of above-mentioned each TiN and TiAgN coatings (2) is step from inside to outside and changes, and promptly the thickness of interior coatings is little, and the thickness of outer coatings is big.
The above-mentioned thickness of interior coatings can be 0.01 μ m~5 μ m, and the thickness of outermost coatings can be 0.1 μ m~10 μ m.In the present embodiment, the thickness of interior coatings can be 0.01 μ m, and the thickness of outermost coatings can be 0.1 μ m.
The preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods adopts magnetron sputtering method, target adopts the TiAg alloy, stainless steel substrate (1) and TiAg alloy target material place in the shielding case, charge into nitrogen in sputter procedure in shielding case, just can generate TiAgN, TiN, TiAg.
In the present embodiment, four TiAg alloy target materials are placed in the sputter furnace chamber, four TiAg alloy target materials of four layers of coatings difference sputter, the used time of sputter procedure is 120 minutes, the sputtering time of each layer is 30 minutes in 4 layers of TiAgN coatings (2).
Embodiment 2:
The structure of antibacterial surface of the present invention, abrasion-proof stainless steel goods is identical with embodiment 1, and difference is that TiN and TiAgN coatings (2) can be 5 layers.The argentiferous composition of interior coatings can be 0.15%, and the argentiferous composition of outermost coatings can be 15%.The thickness of interior coatings can be 0.05 μ m, and the thickness of outermost coatings can be 5 μ m.
The preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods adopts magnetron sputtering method, stainless steel substrate (1) is reached the assembly target of being made up of Ti and Ag place in the shielding case, charges into nitrogen in sputter procedure in shielding case, just can generate TiAgN, TiN.
Because the sputtering yield difference of different elements, the sputter threshold values of titanium is higher, and the sputter threshold values of silver is lower.So a plurality of titanium targets are set in the sputter furnace chamber, increase the sputtering yield of titanium.In addition, sputtering yield is also relevant with the temperature of target, and when temperature reaches certain threshold values, sputtering yield will sharply increase, and therefore, the titanium target is implemented high temperature, and silver-colored target is implemented low temperature, increases the sputtering yield of titanium.
Coating is more wear-resisting in order to make, the antibacterial surface performance is better, target is adopted the alternating temperature method, the temperature that is silver-colored target and titanium target is the step change in sputter procedure, the Heating temperature that is the titanium target is along with coatings reduces from inside to outside and gradually, and the Heating temperature of silver-colored target is along with coatings raises from inside to outside and gradually.In the present embodiment, in interior coatings, the Heating temperature of titanium target is 600 ℃, and the Heating temperature of silver-colored target is 200 ℃, and in the outermost coatings, the Heating temperature of titanium target is 200 ℃, and the Heating temperature of silver-colored target is 600 ℃.
Embodiment 3:
The structure of antibacterial surface of the present invention, abrasion-proof stainless steel goods is identical with embodiment 1, and difference is that TiN and TiAgN coatings (2) can be 6 layers.The argentiferous composition of interior coatings can be 0.3%, and the argentiferous composition of outermost coatings can be 30%.The thickness of interior coatings can be 0.1 μ m, and the thickness of outermost coatings can be 10 μ m.
The preparation method of antibacterial surface of the present invention, abrasion-proof stainless steel goods adopts magnetron sputtering method, stainless steel substrate (1) and target that argent is set on the titanium target are placed in the shielding case, in sputter procedure, in shielding case, charge into nitrogen, just can generate TiAgN, TiN, AgN, Ag.
In the present embodiment, 6 blocks of different argents of area are set on 6 titanium targets, and 6 titanium targets place in the sputter furnace chamber, 6 targets of 6 layers of coatings difference sputter, the used time of sputter procedure is 180 minutes, and the sputtering time of each layer is 30 minutes in 6 layers of TiAgN coatings (2).

Claims (10)

1, a kind of antibacterial surface, abrasion-proof stainless steel goods is characterized in that including stainless steel substrate (1) and some TiN and TiAgN coatings (2), and TiN and TiAgN coatings (2) are plated in the outside of stainless steel substrate (1).
2, antibacterial surface according to claim 1, abrasion-proof stainless steel goods is characterized in that above-mentioned some TiN and TiAgN coatings (2) are for one or more layers.
3, antibacterial surface according to claim 2, abrasion-proof stainless steel goods, it is characterized in that silver, titanium composition contained in above-mentioned each TiN and the TiAgN coatings (2) are step and change, promptly interior coatings argentiferous composition is low, titaniferous composition height, outer coatings argentiferous composition height, the titaniferous composition is low.
4, antibacterial surface according to claim 3, abrasion-proof stainless steel goods is characterized in that the above-mentioned argentiferous composition of interior coatings is 0~0.3%, and the argentiferous composition of outermost coatings is 0.3~30%.
5, antibacterial surface according to claim 2, abrasion-proof stainless steel goods is characterized in that the thickness of above-mentioned each TiN and TiAgN coatings (2) is the step change from inside to outside, and promptly the thickness of interior coatings is little, and the thickness of outer coatings is big.
6, antibacterial surface according to claim 5, abrasion-proof stainless steel goods is characterized in that the above-mentioned thickness of interior coatings is 0.01 μ m~5 μ m, and the thickness of outermost coatings is 0.1 μ m~10 μ m.
7, a kind of preparation method according to the described antibacterial surface of claim 1, abrasion-proof stainless steel goods, it is characterized in that adopting magnetron sputtering method, target adopts the TiAg alloy, and stainless steel substrate (1) and TiAg alloy target material place in the shielding case, charge into nitrogen in sputter procedure in shielding case.
8, a kind of preparation method according to the described antibacterial surface of claim 1, abrasion-proof stainless steel goods, it is characterized in that adopting magnetron sputtering method, stainless steel substrate (1) is reached the assembly target of being made up of Ti, Ag place in the shielding case, in sputter procedure, in shielding case, charge into nitrogen.
9, the preparation method of described according to Claim 8 antibacterial surface, abrasion-proof stainless steel goods, the temperature that it is characterized in that above-mentioned silver-colored target and titanium target is the step change in sputter procedure, the Heating temperature that is the titanium target is along with coatings reduces from inside to outside and gradually, and the Heating temperature of silver-colored target is along with coatings raises from inside to outside and gradually.
10, a kind of preparation method according to the described antibacterial surface of claim 1, abrasion-proof stainless steel goods, it is characterized in that adopting magnetron sputtering method, stainless steel substrate (1) and target that argent is set on the titanium target are placed in the shielding case, in sputter procedure, in shielding case, charge into nitrogen.
CNB2004100270632A 2004-04-30 2004-04-30 Surface antibiotic, wearable stainless steel products and its production method Expired - Fee Related CN1304627C (en)

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CN102691036A (en) * 2011-03-22 2012-09-26 鸿富锦精密工业(深圳)有限公司 Antibacterial film coating member and its preparation method
US20140065394A1 (en) * 2012-08-29 2014-03-06 Hyundai Motor Company Multi-layer coating and method for forming the same
US10945430B2 (en) * 2010-07-09 2021-03-16 Oerlikon Surface Solutions Ag, Pfäffikon Antibacterial medical product and method for producing same
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10945430B2 (en) * 2010-07-09 2021-03-16 Oerlikon Surface Solutions Ag, Pfäffikon Antibacterial medical product and method for producing same
US20210169071A1 (en) * 2010-07-09 2021-06-10 Oerlikon Surface Solutions Ag, Pfaffikon Antibacterial medical product and method for producing same
US12022822B2 (en) * 2010-07-09 2024-07-02 Oerlikon Surface Solutions Ag, Pfäffikon Antibacterial medical product and method for producing same
CN102691036A (en) * 2011-03-22 2012-09-26 鸿富锦精密工业(深圳)有限公司 Antibacterial film coating member and its preparation method
DE102012211746B4 (en) 2011-11-15 2023-09-21 Hyundai Motor Company LOW-FRICTION COATING LAYER FOR A VEHICLE PART AND METHOD FOR PRODUCING THE SAME
US20140065394A1 (en) * 2012-08-29 2014-03-06 Hyundai Motor Company Multi-layer coating and method for forming the same

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