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Flexible conductive composite fabric, and preparation and application thereof

A composite fabric, flexible and conductive technology, applied in the field of flexible conductive composite fabric and its preparation and application, can solve the problems of increasing the thickness and hardness of the fabric, increasing the difficulty of the weaving process, and poor washing resistance, so as to achieve enhanced conductivity and improved electrical properties. Good safety, durability, and good electrical conductivity

Inactive Publication Date: 2016-12-07
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although conductive fiber has excellent electrical properties, it has poor flexibility, is not resistant to bending, and is expensive. In the spinning process, improper blending ratio will cause a lot of waste and increase the difficulty of the weaving process. It is subject to certain limitations in the application of textiles. , while the method of conductive coating increases the thickness and hardness of the fabric on the one hand, and the wearing comfort is poor. On the other hand, the washing resistance is poor, the coating is easy to fall off, and it also has many defects during use.

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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  • Flexible conductive composite fabric, and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Material:

[0031] (1) The selected size is 40×40cm 2 The carbon nanotube membrane 1 (Suzhou Institute of Nanotechnology and Nanobionics, Chinese Academy of Sciences), the thickness of the membrane is 20 μm, the porosity is 75%, the tensile strength is about 200MPa, and the electrical conductivity is about 1*10 5 S / m;

[0032] (2) select the graphene suspension of 2mg / ml (New Material Co., Ltd.);

[0033] (3) The selected aniline monomer (Aldrich Chemical Reagent Company) for polyaniline in-situ polymerization was purified by distillation before use; perchloric acid (HClO 4 ), ammonium persulfate (APS, (NH 4 ) 2 S 2 o 8 ) are products of Sinopharm Chemical Reagent Co., Ltd., and are analytically pure;

[0034] (4) Use ultra-fine and ultra-thin Lycra cloth 2, weight: 110g / m 2 , yarn count: 20D, composition and content: nylon: 80%, spandex: 20%, size 40×40cm 2 .

[0035] (5) Mix PDMS (polydimethylsiloxane) liquid (Dow Corning DC184) and curing agent at a ratio o...

Embodiment 2

[0042] Material:

[0043] (1) The selected size is 40×40cm 2The carbon nanotube membrane 1 (Suzhou Institute of Nanotechnology and Nanobionics, Chinese Academy of Sciences), the thickness of the membrane is 20 μm, the porosity is 75%, the tensile strength is about 200MPa, and the electrical conductivity is about 1*10 5 S / m;

[0044] (2) select the graphene suspension of 2mg / ml (New Material Co., Ltd.);

[0045] (3) The selected aniline monomer (Aldrich Chemical Reagent Company) for polyaniline in-situ polymerization was purified by distillation before use; perchloric acid (HClO 4 ), ammonium persulfate (APS, (NH 4 ) 2 S 2 o 8 ) are products of Sinopharm Chemical Reagent Co., Ltd., and are analytically pure;

[0046] (4) Use 100D polyester four-sided elastic fabric 2, weight: 125g / m 2 , composition and content: polyester: 90%, spandex: 10%, size is 40×40cm 2 .

[0047] (5) Water-soluble polyurethane (Bayer Technology Co., Ltd.) is selected as the adhesive 3, which is ...

Embodiment 3

[0054] (1) The selected size is 40×40cm 2 The carbon nanotube membrane 1 (Suzhou Institute of Nanotechnology and Nanobionics, Chinese Academy of Sciences), the thickness of the membrane is 20 μm, the porosity is 75%, the tensile strength is about 200MPa, and the electrical conductivity is about 1*10 5 S / m;

[0055] (2) select the graphene suspension of 2mg / ml (New Material Co., Ltd.);

[0056] (3) The selected aniline monomer (Aldrich Chemical Reagent Company) for polyaniline in-situ polymerization was purified by distillation before use; perchloric acid (HClO 4 ), ammonium persulfate (APS, (NH 4 ) 2 S 2 o 8 ) are products of Sinopharm Chemical Reagent Co., Ltd., and are analytically pure;

[0057] (4) Select high-density nylon four-sided elastic fabric 2, weight: 168g / m 2 , Composition and content: nylon: 84%, spandex: 16%, size 40×40cm 2 .

[0058] (5) Water-soluble polyurethane (Bayer Technology Co., Ltd.) was selected as the adhesive 3 .

[0059] Preparation step...

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Abstract

The invention relates to a flexible conductive composite fabric, and preparation and application thereof. The flexible conductive composite fabric comprises a conductive composite film (1), a base fabric (2) and an adhesive (3), wherein the base fabric (2) is adhered on the upper and lower surfaces of the conductive composite film through the adhesive (3); and two ends of the conductive composite film (1) are respectively adhered with an electrode. The flexible conductive composite fabric is prepared through the following steps: impregnating a carbon nanotube thin film in a graphene suspension, then taking the carbon nanotube thin film out of the graphene suspension, and carrying out drying in the air so as to obtain a carbon nanotube / graphene composite film; allowing a polyaniline nanowire array to grow in situ on the surface of the carbon nanotube / graphene composite film so as to obtain a carbon nanotube / graphene / polyaniline composite film; and respectively adhering an electrode at two ends of the composite film, coating the base fabric on the upper and lower surfaces of the composite film through the adhesive, and carrying out curing so as to obtain the flexible conductive composite fabric. The prepared conductive fabric provided by the invention has good conductivity, can reach 103 S / m to 105 S / m, can bear a certain degree of bending and compressive deformation, and is extensively applied in the fields of intelligent textile structures and intelligent materials.

Description

technical field [0001] The invention belongs to the field of flexible conductive materials and their preparation and application, in particular to a flexible conductive composite fabric and its preparation and application. Background technique [0002] In recent years, with the rapid development of science and technology and the Internet, the research and development and application of smart textiles and wearable electronic products have become more and more extensive. Conductive fabrics are widely used in medical, military, entertainment and many other fields because they can be conductive and wearable at the same time. It shows important research value and application potential. [0003] Most of the conductive fabrics currently on the market are made by conductive fiber blending or conductive coating. Although conductive fiber has excellent electrical properties, it has poor flexibility, is not resistant to bending, and is expensive. In the spinning process, improper blen...

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): B32B27/40B32B27/34B32B27/08B32B9/00B32B9/04B32B37/12D06M17/00D06M17/04A41D13/00
CPCA41D13/00B32B5/02B32B9/00B32B9/045B32B9/047B32B37/12B32B2262/0261B32B2262/0292B32B2307/202D06M17/00D06M17/04
Inventor 许福军孙立军
Owner DONGHUA UNIV
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