Antibacterial stainless steel for handrail or handle
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A kind of antibacterial stainless steel, stainless steel technology, applied in the field of stainless steel materials, can solve the problem of low antibacterial efficiency, achieve the effect of increasing antibacterial effect, good antibacterial performance, increasing processing flow and production cost
Active Publication Date: 2019-12-27
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
View PDF2 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0005] The purpose of the present invention is to provide an antibacterial stainless steel for handrails or handles, which solves the problem of relatively low antibacterial efficiency of existing materials in the use environment of electrical equipment
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0027] In this embodiment, the heat treatment process of the antibacterial stainless steel is: heat preservation at 1025° C. for 1 hour, and water cooling to room temperature. According to the above-mentioned antibacterial detection method, the antibacterial performance of typical bacteria is detected, and the result is:
[0028] (1) Antibacterial rate against Eschericher Coli: ≥95.4%;
[0029] (2) Antibacterial rate against Staphyococcus aureus: ≥94.7%.
[0030] The new stainless steel shows excellent antimicrobial properties.
Embodiment 2
[0032] In this embodiment, the heat treatment process of the antibacterial stainless steel is: heat preservation at 1030° C. for 2 hours, and water cooling to room temperature. According to the above-mentioned antibacterial detection method, the antibacterial performance of typical bacteria is detected, and the result is:
[0033] (1) Antibacterial rate against Eschericher Coli: ≥95.8%;
[0034] (2) Antibacterial rate against Staphyococcus aureus: ≥95.6%.
[0035] The new stainless steel shows excellent antimicrobial properties.
Embodiment 3
[0037] In this embodiment, the heat treatment process of the antibacterial stainless steel is: heat preservation at 1030° C. for 3 hours, and then air cooling to room temperature. According to the above-mentioned antibacterial detection method, the antibacterial performance of typical bacteria is detected, and the result is:
[0038] (1) Antibacterial rate against Eschericher Coli: ≥97.4%;
[0039] (2) Antibacterial rate against Staphyococcus aureus: ≥97.2%.
[0040] The new stainless steel shows excellent antimicrobial properties.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Property
Measurement
Unit
boiling point
aaaaa
aaaaa
Login to view more
Abstract
The invention discloses antibacterial stainless steel for handrails or handles, and belongs to the technical field of stainless steel materials. The stainless steel comprises the following chemical components of, by weight, less than or equal to 0.08% of C, less than or equal to 0.50% of Si, less than or equal to 1.00% of Mn, less than or equal to 0.05% of P, less than or equal to 0.05% of S, 8.0-12.0% of Ni, 18.0-20.0% of Cr, 3.0-5.0% of Cu, 0.50-1.50% of Ga and the balance Fe. The antibacterial stainless steel is subjected to solid solution heat treatment, and then based on the supersaturation and solid solution of the Ga and the Cu in a matrix, the Ga and the Cu exist in two forms, namely a solid solution state and a gallium-rich phase separated state. The use environment of the handrails or the handles is generally the air environment, and when the handrails or the handles are in contact with sweat, gallium ions can be effectively dissolved out due to the existence of the gallium-rich phase, so that the effects that reproduction and propagation of pathogenic bacteria among human hands are obviously inhibited, and the probability of occurrence of group-occurring bacterial infection events is reduced are achieved. According to the antibacterial stainless steel, the propagation risk of the pathogenic bacteria among the human hands is reduced, and the antibacterial stainless steel can be widely applied to the stair handrails, railings, the door handles and the like for living decoration.
Description
technical field [0001] The invention relates to the field of stainless steel materials, and in particular provides an antibacterial stainless steel for handrails or handles. Background technique [0002] Copper-containing antibacterial stainless steel is to precipitate a certain volume fraction of copper-rich precipitates during high-temperature aging. When this copper-rich phase comes into contact with bacteria, it can release a small amount of copper ions, destroy the cell walls of bacteria, and cause bacteria to die. Based on the broad-spectrum antibacterial properties of copper itself, copper-containing antibacterial stainless steel should be suitable for various practical environments. However, the killing of bacterial flora is directly related to the dissolution rate and concentration of copper ions. Generally speaking, the greater the amount of copper added in steel, the more copper-rich precipitates, the greater the dissolution rate and concentration of copper ions....
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more