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Method for making electromagnetic shielding fabric based on two-dimensional layered MXene nanosheets and product

An electromagnetic shielding, two-dimensional layered technology, applied in the fields of magnetic/electric field shielding, textile and papermaking, electrical components, etc., to achieve the effect of easy dispersion, easy operation, and excellent electromagnetic shielding performance

Inactive Publication Date: 2019-06-11
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there is currently no patent technology disclosure or other publications on the application of MXene to fabric electromagnetic shielding. How to study a method for preparing an MXene-based electromagnetic shielding fabric. The preparation method is simple, reasonable, and easy to operate. The prepared electromagnetic shielding fabric With good flexibility and shielding performance, it is a technical issue that needs to be solved urgently

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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Effect test

specific Embodiment approach

[0019] A specific implementation of the method for preparing an electromagnetic shielding fabric based on two-dimensional layered MXene nanosheets of the present invention, specifically comprising the following steps:

[0020] (1) Pretreat the fabric with sodium hydroxide and sodium carbonate aqueous solution to remove oil stains and impurities on the surface of the fabric, wash and dry with distilled water;

[0021] (2) Weigh a certain amount of Ti in the MAX phase 3 AlC 2 , soaked in a hydrofluoric acid aqueous solution with a concentration of 10%-50%, stirred and reacted for 18-24 h, then filtered and washed with distilled water, and dried to obtain MXene powder;

[0022] (3) Dissolve MXene powder in a certain amount of water, and ultrasonically obtain a certain concentration of MXene solution;

[0023] (4) Spray the MXene solution on one side of the pretreated fabric and dry it, and then spray the MXene solution on the other side of the fabric and dry it. The MXene solut...

Embodiment 1

[0031] The invention discloses a method for preparing an electromagnetic shielding fabric based on two-dimensional layered MXene nanosheets, wherein the raw material of the fabric contains one or more of cotton, hemp, viscose or wool. Specifically include the following steps:

[0032] (1) Pretreat the fabric with sodium hydroxide and sodium carbonate aqueous solution to remove oil stains and impurities on the surface of the fabric, wash and dry with distilled water;

[0033] (2) Weigh 10 g of MAX phase Ti 3 AlC 2 , soaked in 20% hydrofluoric acid aqueous solution, stirred and reacted for 24 h, then filtered and washed with distilled water, and dried to obtain MXene powder;

[0034] (3) Dissolve MXene powder in a certain amount of water, and obtain an MXene solution with a concentration of 2 mg / ml by ultrasonication;

[0035] (4) Spray the MXene solution on one side of the pretreated fabric and dry it, then spray the MXene solution on the other side of the fabric and dry it....

Embodiment 2

[0037] The invention discloses a method for preparing an electromagnetic shielding fabric based on two-dimensional layered MXene nanosheets, wherein the raw material of the fabric contains one or more of polyester, nylon, vinylon, acrylic or aramid. Specifically include the following steps:

[0038] (1) Pretreat the fabric with sodium hydroxide and sodium carbonate aqueous solution to remove oil stains and impurities on the surface of the fabric, wash and dry with distilled water;

[0039] (2) Weigh 10 g of MAX phase Ti 3 AlC 2 , soaked in 25% hydrofluoric acid aqueous solution, stirred and reacted for 24 h, then filtered and washed with distilled water, dried to obtain MXene powder;

[0040] (3) Dissolve MXene powder in a certain amount of water, and obtain an MXene solution with a concentration of 4 mg / ml by ultrasonication;

[0041] (4) Spray the MXene solution on one side of the pretreated fabric and dry it, then spray the MXene solution on the other side of the fabric ...

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Abstract

The invention provides a method for making an electromagnetic shielding fabric based on two-dimensional layered MXene nanosheets and the product. The method is characterized by including the followingsteps that 1, the fabric is pretreated, oil stains and impurities on the surface of the fabric are removed, and cleaning and drying are performed; 2, a certain amount of MAX phase Ti3AlC2 is weighedand soaked in a hydrofluoric acid solution with the concentration of 10-50%, a stirring reaction lasts for 18-24 hours, and then MXene powder is obtained after cleaning and drying; 3, the MXene powderis dissolved in a certain amount of water, and an MXene solution is obtained; 4, one side of the pretreated fabric is spray-coated with the MXene solution layer by layer and dried, the other side ofthe fabric is spray-coated with the MXene solution layer by layer and dried, and the MXene modified fabric is obtained. The process is simple and reasonable, operation is easy, the prepared electromagnetic shielding fabric is excellent in electromagnetic shielding effect, and the comfort level of the fabric is not affected.

Description

technical field [0001] The invention belongs to the technical field of textile engineering, and in particular relates to a method and product for preparing electromagnetic shielding fabrics based on two-dimensional layered MXene nanosheets. Background technique [0002] With the rapid development of microwave, communication and electronic technology, people live in an environment full of artificial electromagnetic radiation. Strong electromagnetic radiation will cause harm to the human body and interfere with the normal work of other equipment. Therefore, in order to effectively reduce the harm of electromagnetic waves, electromagnetic shielding materials are generally required to protect sensitive equipment and related personnel. Electromagnetic shielding fabrics with good flexibility and easy processing have unique advantages. [0003] At present, the main methods for preparing electromagnetic shielding fabrics include: using yarns containing metal fibers or metallized fib...

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): D06M11/74H05K9/00D06M101/06D06M101/12D06M101/32D06M101/34D06M101/24D06M101/36D06M101/28
Inventor 张宪胜施楣梧王莉莉曲丽君肖红
Owner QINGDAO UNIV
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