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Nano-silver antibacterial cotton fabric

A technology of antibacterial cotton and nano-silver, applied in the textile field, can solve the problems of low fastness of inorganic nano-materials, achieve fast heating response, uniform distribution, and avoid agglomeration

Inactive Publication Date: 2015-11-25
SUZHOU ZHENGYECHANG INTELLIGENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both of these two documents use the direct impregnation adsorption method to treat cotton fibers, but the fastness of inorganic nanomaterials is low due to the lack of valence bonds with fabrics.

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
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Put the cotton fiber in a 1g / L sodium periodate solution for 100 minutes to avoid light for oxidation reaction, the reaction temperature is 30°C, the bath ratio is 1:50, and the oxidized cotton fiber is obtained;

[0023] Degumming the silk in a boiling sodium carbonate solution with a mass fraction of 5% for 60 minutes, washing it with deionized water for 5 times, drying it in an oven at 60°C, removing sericin and other impurities, and obtaining pure silk fibroin fiber; then prepare a 10mol / L lithium bromide solution, keep the solution in a 50°C oven at a constant temperature for 1 hour, then place the silk fiber in the lithium bromide solution, and continue to keep the temperature in a 50°C oven for 1 hour to obtain a silk fibroin solution; After filtering the silk fibroin solution with 5 layers of medical gauze, put it into a dialysis bag for dialysis, wherein the dialysis solution is deionized water, the dialysis time is 3 days, and the water is changed every 2 hours...

Embodiment 2

[0027] Put the cotton fiber in 5g / L sodium periodate solution for 60 minutes to avoid light oxidation reaction, the reaction temperature is 50°C, the bath ratio is 1:50, and the oxidized cotton fiber is obtained;

[0028] Degumming the silk in a boiling sodium carbonate solution with a mass fraction of 5% for 60 minutes, washing it with deionized water for 5 times, drying it in an oven at 60°C, removing sericin and other impurities, and obtaining pure silk fibroin fiber; then prepare a 10mol / L lithium bromide solution, keep the solution in a 50°C oven at a constant temperature for 1 hour, then place the silk fiber in the lithium bromide solution, and continue to keep the temperature in a 50°C oven for 1 hour to obtain a silk fibroin solution; After filtering the silk fibroin solution with 5 layers of medical gauze, put it into a dialysis bag for dialysis, wherein the dialysis solution is deionized water, the dialysis time is 3 days, and the water is changed every 2 hours; the d...

Embodiment 3

[0032] Put the cotton fiber in 10g / L sodium periodate solution for 30 minutes to avoid light oxidation reaction, the reaction temperature is 100°C, the bath ratio is 1:50, and the oxidized cotton fiber is obtained;

[0033] Degumming the silk in a boiling sodium carbonate solution with a mass fraction of 5% for 60 minutes, washing it with deionized water for 5 times, drying it in an oven at 60°C, removing sericin and other impurities, and obtaining pure silk fibroin fiber; then prepare a 10mol / L lithium bromide solution, keep the solution in a 50°C oven at a constant temperature for 1 hour, then place the silk fiber in the lithium bromide solution, and continue to keep the temperature in a 50°C oven for 1 hour to obtain a silk fibroin solution; After filtering the silk fibroin solution with 5 layers of medical gauze, put it into a dialysis bag for dialysis, wherein the dialysis solution is deionized water, the dialysis time is 3 days, and the water is changed every 2 hours; the...

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
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Abstract

The invention relates to a nano-silver antibacterial cotton fabric. The nano-silver antibacterial cotton fabric is prepared by placing cotton fibers into a sodium periodate solution to perform oxidation reaction in dark to obtain oxidized cotton fibers; preparing a pure silk fibroin protein solution; soaking the oxidized cotton fibers into the silk fibroin protein solution to react to obtain silk fibroin-grafted cotton fibers; soaking the silk fibroin-grafted cotton fibers into the silver nitrate solution; taking the silk fibroin-grafted cotton fibers out of the solution; and then heating the silk fibroin-grafted cotton fibers for 5 minutes in the microwave oven at the power of 800 W. According to the nano-silver antibacterial cotton fabric, the cotton fabric serves as a substrate; the nano-silver antibacterial cotton fabric is produced in situ by utilizing the silk fibroin protein through a microwave radiation method; and a layer of silk fibroin protein is grafted on the surface of the cotton fabric, so that the cotton fabric has the hand feeling and luster of silk.

Description

technical field [0001] The invention belongs to the field of textiles, in particular to a nano-silver antibacterial cotton fabric. Background technique [0002] Although natural cotton products have the advantages of wearing comfort, reproducibility and biodegradability, but in the process of wearing, due to the large specific surface area and strong moisture absorption capacity of cotton fibers, cotton products are very easy to attach microorganisms and Create conditions for its reproduction and propagation, resulting in damage to fiber strength, stains and discoloration, unpleasant odors, and even the spread of diseases, affecting human health. Therefore, in the research of cotton fiber modification, an important research direction is to realize the antibacterial properties of cotton fiber and reduce the invasion of bacteria on the human body. Nano-silver is often used as an antibacterial finishing agent due to its safe, non-toxic and efficient antibacterial properties, a...

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
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/15D06M11/83D06M11/30D06M11/65D01C3/02D06M101/06
Inventor 赵兵
Owner SUZHOU ZHENGYECHANG INTELLIGENT TECH
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