Method for preparing slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film

A skeleton-type, slow-release technology, applied in botany equipment and methods, metal material coating technology, coating, etc., can solve the problem of poor antibacterial effect persistence of antibacterial film, achieve long-lasting ion dissolution effect, and stable dissolution rate , long-term antibacterial effect

Inactive Publication Date: 2010-05-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to solve the problem of poor antibacterial effect persistence of the antibacteri

Method used

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  • Method for preparing slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film
  • Method for preparing slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film
  • Method for preparing slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film

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specific Embodiment approach 1

[0009] Specific embodiment one: the preparation method of the slow-release skeleton type TiN / Cu-Zn metal layer antibacterial film in the present embodiment is as follows: one, the substrate is put into the vacuum chamber target platform, and the vacuum degree in the vacuum chamber is 2 * 10 -3 The substrate was heated to 200°C under the condition of Pa, and then the surface of the substrate was sputtered under the conditions of argon flow rate of 10sccm-20sccm, RF power of 300W, substrate negative bias voltage of 800V, pulse frequency of 10kHz, and pulse width of 30μs. 2. Rotate the target stage of the vacuum chamber under the condition that the argon gas flow rate is 6 sccm, the nitrogen gas flow rate is 2 sccm, the deposition pressure is 0.56 Pa, and the substrate deposition bias voltage is compound bias voltage, and alternately deposit TiN layers and Cu-Zn metal layer, the total thickness of the film layer is 0.1 μm to 10 μm, wherein the first layer and the outermost layer o...

specific Embodiment approach 2

[0012] Embodiment 2: This embodiment is different from Embodiment 1 in that the substrate in step 1 is metal, ceramic or plastic. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0013] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the metal is stainless steel, aluminum alloy, titanium alloy, copper alloy or low carbon steel. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a method for preparing a slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film and relates to a preparation method of an antibacterial film, which solves the problem that an antibacterial film prepared by the conventional method has poor durability of antibacterial effect. The method has the following steps of: 1. putting a matrix on a target platform of a vacuum room; and then heating to 200 DEG C and sputter cleaning for 20 min; 2. rotating the target platform of the vacuum room under the condition that argon flow is 6sccm, nitrogen flow is 2sccm, deposition pressure is 0.56Pa, and the deposition bias of the matrix is compound bias; and alternately depositing TiN layers and metal layers on the surface of the matrix till the total thickness of film layers is 0.1 micrometer-10 micrometers to obtain the slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film. After the slow-release type skeleton-type TiN/Cu-Zu metal layer antibacterial film is soaked for three months, the ion dissolving speed is not reduced, and the antibiosis rate against colibacillus can still reach above 97%.

Description

technical field [0001] The invention relates to a preparation method of an antibacterial film. Background technique [0002] The spread and infection of harmful bacteria are a serious threat to human health, especially in recent years, the spread and infection of SARS virus and bird flu have made the application of antibacterial materials in daily life develop rapidly. The patent with publication number CN99800249.6 and In the patent with publication number CN101125458A, Ag is integrally added to stainless steel or plastic to improve the antibacterial effect of the material, but doping Ag etc. into the overall material increases the difficulty and production cost of the material. The patent with the publication number CN1793428A discloses a method for infiltrating Ag or Cu by high-temperature glow. This method has the problem that the thickness of the antibacterial layer is relatively thin, and it is easy to wear and tear, resulting in poor durability of the antibacterial e...

Claims

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Application Information

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IPC IPC(8): C23C14/14C23C14/35A01N59/20A01N59/16A01P1/00
Inventor 田修波韦春贝巩春志杨士勤
Owner HARBIN INST OF TECH
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