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Netted Cu antimicrobial filtering metallic material preparation method

A technology for filtering metal and mesh, applied in the field of high-porosity mesh Cu antibacterial filtering metal material and its preparation, can solve the problems of energy consumption, insufficient copper intake, poor taste of beer, etc., and achieves low cost and preparation The method is simple and easy, the effect of increasing the intake

Inactive Publication Date: 2009-10-28
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The object of the present invention is to provide a high-porosity reticulated copper metal antibacterial filter material capable of killing beer yeast at room temperature and a preparation method thereof, so as to solve the problem of poor mouthfeel of beer after high-temperature sterilization and a large amount of Energy consumption and insufficient copper intake in the body

Method used

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  • Netted Cu antimicrobial filtering metallic material preparation method
  • Netted Cu antimicrobial filtering metallic material preparation method
  • Netted Cu antimicrobial filtering metallic material preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Foam sponge material (pore diameter is about 550 microns) is first sensitized, and the specific process and process parameter range of sensitization are: put the sample into sensitization solution (stannous chloride 20g / L, mass concentration 37% Hydrochloric acid 40ml / L and distilled water balance), soak for 3 minutes, remove and wash with water, and then immerse in a solution containing an oxidant at room temperature (silver nitrate 1.5g / L, add ammonia water to the solution transparency and distilled water balance) and soak for 10 minutes Form an active metal layer on the surface of the substrate, then take 200ml of electroless copper plating solution and add water to dilute it to 1L, soak the above-mentioned treated material in it for 20 seconds (to prevent the activation solution remaining on the surface of the sample from being brought into the electroless plating solution ), directly into the chemical copper plating solution at room temperature and soaked for 5 minu...

Embodiment 2

[0063] The difference from Example 1 is:

[0064] Foam sponge material (pore size is about 550 microns) is first sensitized, and at room temperature, the sample is put into sensitized solution (50ml / L of hydrochloric acid 50ml / L and distilled water surplus of stannous chloride 10g / L, mass concentration 37%) After soaking for 5 minutes, take it out and wash it, and then immerse it in a solution containing an oxidant at room temperature (silver nitrate 2.0g / L, add ammonia water to the transparent solution and the remainder of distilled water) and soak for 15 minutes to form an active metal layer on the surface of the substrate, and then take it out Dilute 200ml of electroless copper plating solution with water to 1L, soak the above-mentioned treated material in it for 30 seconds for a short time, then soak it in the electroless copper plating solution for 8 minutes at room temperature without washing with water, and plate copper to make the foam sponge material To obtain electri...

Embodiment 3

[0068] The difference from Example 1 is:

[0069]Foam sponge material (pore diameter is about 550 microns) is first sensitized, and at room temperature the sample is put into the sensitization solution (hydrochloric acid 40ml / L and distilled water surplus of stannous chloride 30g / L, mass concentration 37%) After soaking for 4 minutes, take it out and wash it, and then immerse it in a solution containing oxidant (silver nitrate 1.5g / L, ammonia water added to the solution transparency and distilled water remainder) at room temperature and soak for 20 minutes to form an active metal layer on the surface of the substrate, and then take it out Dilute 200ml of electroless copper plating solution with water to 1L, soak the above-mentioned treated material in it for 10 seconds, then soak in the electroless copper plating solution for 10 minutes at room temperature without washing with water, and then plate copper to make the foam sponge material obtain electrical conductivity. The com...

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Abstract

The invention relates to a manufacturing process technology of a high-porosity mesh metal material, in particular to a mesh copper antibacterial filter metal material capable of killing brewer's yeast and other common fungi at room temperature and a preparation method thereof, It solves the problems of poor taste of beer after high temperature sterilization, large energy consumption during high temperature sterilization and insufficient copper intake of human body. In the invention, the foam sponge is used as the base material, and the metal Cu is supported to form a high-porosity network material. Its preparation method: after the foam sponge is conductively treated, a Cu coating is deposited on its surface, when the copper coating reaches the required thickness, it is taken out to dry, and then heat-treated in a vacuum furnace or a furnace with argon protection to form a metal. The copper mesh can be prepared as a reticulated Cu antibacterial filter metal material that can kill brewer's yeast and other common fungi at room temperature. Its porosity is 85%-95%, and the pore size is in Adjustable from 350 microns to 500 microns.

Description

Technical field: [0001] The invention relates to a manufacturing technology of a high-porosity reticular metal material, specifically a high-porosity reticular Cu antibacterial filter metal material capable of killing beer yeast and other common fungi at room temperature and its Preparation. Background technique: [0002] The United Nations World Health Organization (WHO) proposes that the global theme of the 21st century is "health and the environment", and 60% of everyone's life and health are in their own hands [Document 1: Jin Zongzhe, Inorganic Antibacterial Materials and Applications (2004): 1 ]. In addition, the problem of energy shortage in the whole world is becoming more and more serious with the rapid development of industries in various countries. Therefore, it has become an urgent task to research and develop energy-saving, antibacterial and other functional and structurally integrated materials. [0003] In the United States, food processing enterprises must...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/12C25D1/08
Inventor 于志明韩恩厚
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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