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Chitosan/ silver nanowire functional cotton fiber

A technology of silver nanowires and chitosan, applied in the direction of biochemical fiber treatment, fiber treatment, plant fiber, etc., can solve the problems of weak washing fastness, skin damage, easy adhesion, reproduction and propagation of microorganisms, etc., and achieve excellent electrical conductivity. Effect

Inactive Publication Date: 2017-12-01
赵兵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example: (1) Cotton fiber has the characteristics of large specific surface area and strong moisture absorption capacity, so it is easy to attach, reproduce and spread microorganisms during consumption, which will cause the strength of cotton fiber to decrease, produce stains, fade and smell, and even spread diseases and affect the human body healthy
(2) Excessive ultraviolet radiation can cause skin damage, aging, and even cancer
However, in the above literature, the interaction between AgNWs and fibers is mainly based on physical adsorption in the form of van der Waals force and hydrogen bonds, lacking a firm force combination, and its washing fastness is weak

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

[0012] (1) Put the cotton fabric in a sodium hydroxide solution with a mass fraction of 20%, with a bath ratio of 1:50, react at 90°C for 120 minutes, wash repeatedly with deionized water until neutral, and obtain sodium hydroxide modified after drying Cotton fabric; then redisperse the sodium hydroxide modified cotton fabric in deionized water, liquor ratio 1:50, add trimethylallyl ammonium chloride, wherein trimethylallyl ammonium chloride and sodium hydroxide The mass ratio of the modified cotton fabric was 1:5, reacted at 60°C for 1h, washed repeatedly with deionized water, and dried to obtain trimethylallyl ammonium chloride modified cotton fabric; trimethylallyl chloride The ammonium chloride modified cotton fabric is redispersed in deionized water, the bath ratio is 1:50, slowly add 10g / L polyamide-amine PAMAM aqueous solution, wherein the PAMAM aqueous solution and the trimethylallyl ammonium chloride modified cotton fabric aqueous solution The volume ratio is 1:5, rea...

Embodiment 2

[0014](1) Put the cotton fabric in a sodium hydroxide solution with a mass fraction of 20%, with a bath ratio of 1:50, react at 90°C for 120 minutes, wash repeatedly with deionized water until neutral, and obtain sodium hydroxide modified after drying Cotton fabric; then redisperse the sodium hydroxide modified cotton fabric in deionized water, liquor ratio 1:50, add trimethylallyl ammonium chloride, wherein trimethylallyl ammonium chloride and sodium hydroxide The mass ratio of the modified cotton fabric was 1:7, reacted at 70°C for 6 hours, washed repeatedly with deionized water, and dried to obtain trimethylallyl ammonium chloride modified cotton fabric; the trimethylallyl chloride The ammonium chloride modified cotton fabric is redispersed in deionized water, the bath ratio is 1:50, slowly add 50g / L polyamide-amine PAMAM aqueous solution, wherein the PAMAM aqueous solution and the trimethylallyl ammonium chloride modified cotton fabric aqueous solution The volume ratio is ...

Embodiment 3

[0016] (1) Put the cotton fabric in a sodium hydroxide solution with a mass fraction of 20%, with a bath ratio of 1:50, react at 90°C for 120 minutes, wash repeatedly with deionized water until neutral, and obtain sodium hydroxide modified after drying Cotton fabric; then redisperse the sodium hydroxide modified cotton fabric in deionized water, liquor ratio 1:50, add trimethylallyl ammonium chloride, wherein trimethylallyl ammonium chloride and sodium hydroxide The mass ratio of the modified cotton fabric was 1:10, reacted at 80°C for 24 hours, washed repeatedly with deionized water, and dried to obtain trimethylallyl ammonium chloride modified cotton fabric; trimethylallyl chloride The ammonium chloride modified cotton fabric is redispersed in deionized water, the bath ratio is 1:50, slowly add 100g / L polyamide-amine PAMAM aqueous solution, wherein the PAMAM aqueous solution and the trimethylallyl ammonium chloride modified cotton fabric aqueous solution The volume ratio is ...

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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PUM

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Abstract

The invention discloses a chitosan / silver nanowire functional cotton fiber and its preparation method. The preparation method includes steps of applying sodium hydroxide, trimethylallylammonium chloride, PAMAM modified cotton fabric to obtain cationization cotton fabric; then orderly immersing the cationization cotton fabric in the silver nanowire solution and chitosan solution after being modified by terminal hydroxyl hyperbranched polymer to self-assemble so as to obtain the chitosan / silver nanowire functional cotton fiber. The chitosan and silver nanowire are self-assembled and firmly combined layer by layer through electrostatic pull, thus the cotton fiber has excellent conductivity, antibiosis, uvioresistant and other performances. Besides, the wrinkle resistance and salt-free dyeing performance of the modified cotton fabric are also improved. The chitosan / silver nanowire functional cotton fiber has important application value in textile, clothes, wearable equipment, flexible conductive appliances, and other domains.

Description

technical field [0001] The invention relates to a chitosan / silver nanowire functionalized cotton fiber, which belongs to the field of nanocomposite materials. Background technique [0002] Cotton fiber is loved by consumers for its excellent properties such as moisture absorption, breathability, comfort, softness, warmth retention, renewable and degradable. However, compared with synthetic fibers, the functionality of cotton fibers is still insufficient. For example: (1) Cotton fiber has the characteristics of large specific surface area and strong moisture absorption capacity, so it is easy to attach, reproduce and spread microorganisms during consumption, which will cause the strength of cotton fiber to decrease, produce stains, fade and smell, and even spread diseases and affect the human body healthy. (2) Excessive ultraviolet radiation can cause skin damage, aging, and even canceration. (3) In recent years, conductive textiles have gradually become a research hotspot...

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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IPC IPC(8): D06M11/38D06M13/463D06M15/61D06M11/83D06M15/03D06M101/06
CPCD06M11/38D06M11/83D06M13/463D06M15/03D06M15/61D06M16/00D06M2101/06D06M2200/25
Inventor 赵兵
Owner 赵兵
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