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MXenes-AgNPs synergistic antibacterial cotton fabric and preparation method thereof

A technology of cotton fabric and preparation process, which is applied in plant fiber, textile and papermaking, and resistance to vector-borne diseases, etc. It can solve the problems of lack of effective combination, poor antibacterial performance of MXenes-based fabrics, and no involvement of MXenes antibacterial performance, etc., to achieve improvement Agglomeration phenomenon, excellent antibacterial activity, effect of increasing added value and range of use

Active Publication Date: 2021-06-11
SUZHOU INST OF TRADE & COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned invention patents do not involve the antibacterial properties of MXenes, and MXenes-based fabrics are mostly prepared by dipping and spraying methods. There is no effective combination between MXenes and fabrics. During daily washing or use, MXenes will continue to fall off, making MXenes-based fabrics Antibacterial properties of fabrics are getting worse

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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  • MXenes-AgNPs synergistic antibacterial cotton fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 2g cotton bleached plain woven fabric (250g / m 2 ) was immersed in 100 mL of 1 g / L sodium periodate aqueous solution at 60°C for 60 minutes in the dark, and after taking it out, it was repeatedly washed with deionized water and dried in vacuum to obtain sodium periodate modified cotton fabric.

[0018] Use a plastic measuring cylinder to weigh 40mL of hydrofluoric acid with a concentration of 50%, slowly pour it into a polytetrafluoroethylene beaker, and put 2g of 200 mesh titanium aluminum carbide (Ti 3 AlC 2 ) The MAX phase ceramic material was slowly added into the beaker, stirred magnetically at room temperature for 24 hours at a speed of 200 rpm, centrifuged the reacted solution at 4000 rpm, and poured the upper cloudy liquid into the waste liquid bucket. Then use deoxygenated water to repeatedly sonicate, centrifuge and wash until the pH value of the liquid is 6. Finally, the precipitate was dried under vacuum at room temperature to prepare Ti 3 C 2 T x Two-di...

Embodiment 2

[0033] 1g cotton bleached plain woven fabric (120g / m 2 ) was immersed in 10 g / L 50 mL sodium periodate aqueous solution at 60° C. for 30 minutes in the dark, and after taking it out, it was repeatedly washed with deionized water and dried in vacuum to obtain sodium periodate modified cotton fabric.

[0034] Ti 2 CT x Refer to Example 1 for the preparation method of the two-dimensional nanosheet powder. Ti 2 CT x The two-dimensional nanosheet powder is dispersed in deionized water to prepare a colloidal solution with a mass fraction of 10%, adding excess γ-aminopropyltriethoxysilane, reacting for 24 hours, and washing away the excess γ-aminopropyltriethoxysilane Oxysilane, centrifuged, vacuum dried to obtain aminated Ti 2 CT xTwo-dimensional nanosheets.

[0035] Slowly add PVP to 100g / L AgNO 3 solution, the PVP and AgNO 3 The mass ratio is 2. After mixing and stirring evenly, sodium citrate is slowly added at room temperature, and the sodium citrate and AgNO 3 The mas...

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 provides an MXenes-AgNPs synergistic antibacterial cotton fabric. Through the synergistic antibacterial effect of MXenes and AgNPs, the cotton fabric has excellent antibacterial activity and lasting antibacterial ability. AgNPs are uniformly loaded on the surface of the MXene two-dimensional nanosheet through covalent interaction, so that the MXenes nanocomposite loaded with AgNPs is formed. The surface of the cotton fabric is uniformly coated with the AgNPs-loaded MXenes nano composite material through covalent interaction. In addition to the antibacterial property, the cotton fabric prepared by the invention further has multiple functions of ultraviolet resistance, electromagnetic radiation resistance, conductivity and the like, the additional value of the cotton fabric is greatly improved, and the application range of the cotton fabric is greatly widened.

Description

technical field [0001] The invention relates to the fields of textile fabrics and functional nanomaterials, in particular to a MXenes-AgNPs synergistic antibacterial cotton fabric. Background technique [0002] Textiles are recognized as a medium for the growth of microorganisms such as bacteria and fungi. Microbial communities in nature widely exist in the surrounding environment, and can multiply rapidly once encountering suitable humidity, nutrients and temperature. Microorganisms growing on textiles not only affect the performance of textiles themselves, but also affect the health of users. Due to its huge surface area and good hygroscopicity, cotton fabric is more likely to attach bacteria and microorganisms. Therefore, how to inhibit or kill microorganisms attached to textiles is an urgent problem for the textile industry (Acta Textile Sinica, 2020, 41(03):188-196). [0003] Transition metal carbides, nitrides and carbonitrides (commonly referred to as MXenes) have ...

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): D06M11/30D06M11/74D06M11/83D06M13/513D06M101/06
CPCD06M11/30D06M11/74D06M11/83D06M13/513D06M16/00D06M2101/06D06M2200/25Y02A50/30
Inventor 赵兵张露黄紫娟李青柴文波蒋秀翔王正芳
Owner SUZHOU INST OF TRADE & COMMERCE
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