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Elastic fasciated yarn resistant to electromagnetic radiation and fabric obtained by weaving same

A technology for preventing electromagnetic radiation and wrapping yarn, applied in the direction of fabric, yarn, textile, etc., can solve the problems of single shielding mechanism of electromagnetic shielding fabric, low absorbing performance, easy to arch deformation, etc., and achieve good application prospects and shielding efficiency. Balanced, shielding effectiveness improvement effect

Active Publication Date: 2017-12-15
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of existing electromagnetic shielding fabrics such as single shielding mechanism, low wave-absorbing performance, easy arching and deformation, and difficult care, and provide a yarn with elastic fiber filaments as the core yarn, and conductive polyester / metal filaments outside. Elastic wrapping yarn of wrapping yarn, from which fabrics with good electromagnetic shielding performance, good wave absorption performance, high shape retention and easy care can be obtained

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

[0028] An elastic wrapping yarn for anti-electromagnetic radiation, the core yarn is spandex filament, the outer wrapping yarn is conductive polyester / stainless steel filament wrapping yarn and moisture-wicking polyester fiber filament, and the conductive polyester / stainless steel filament is wrapped Yarn and moisture-absorbing and sweat-wicking polyester filaments are wrapped on the outside of spandex filaments with opposite twists and the same twist respectively. The core yarn of the conductive polyester / stainless steel filament wrapping yarn is stainless steel filaments, and the outer wrapping yarn is Conductive polyester filaments, wherein the fineness of spandex filaments is 20D, the diameter of stainless steel filaments is 0.03mm, and the conductive polyester filaments are polyester / graphene composite fiber filaments, wherein the content of graphene is 10wt %, moisture-absorbing and sweat-wicking polyester fiber filaments are PET fiber filaments with a cross-section of "t...

Embodiment 2

[0034] A kind of anti-electromagnetic radiation elastic wrapping yarn, its anti-electromagnetic radiation elastic wrapping yarn is the same as embodiment 1, the difference is that the weaving mode of its fabric is different, this embodiment adopts full-automatic single-sided high-speed circular weft knitting sample knitting Machine for weaving, the fabric structure is a weft-knitted flat stitch, the transverse loop density is 10 loops / cm, the longitudinal loop density is 8 loops / cm, the warp and weft yarn density is 220D, and the grammage is 250g / m 2 .

[0035] The transverse elongation of the finally obtained fabric is 85%, the transverse recovery rate is 98%, the longitudinal elongation rate is 110%, the longitudinal recovery rate is 98%, the wrinkle recovery angle is 320 °, and the appearance flatness is 5 grades. The electromagnetic shielding value of 1.5GHz electromagnetic waves can reach 7dB. Compared with Example 1, it can be seen that the electromagnetic shielding effe...

Embodiment 3

[0037] An elastic wrapping yarn for preventing electromagnetic radiation, its wrapping structure is the same as in Example 1, the difference lies in the fineness, cross-sectional shape, material composition and wrapping twist of the material filament, the fineness of the spandex filament is 15D, stainless steel The diameter of the filament is 0.05mm, the cross-section of the moisture-absorbing and sweat-wicking polyester filament is "Y"-shaped, the content of graphene in the conductive polyester filament is 3wt%, and the conductive polyester / metal filament wrapping yarn and The wrapping twist of the moisture-wicking polyester fiber filament is 4 twists / cm, and the wrapping twist of the conductive polyester fiber filament is 4 twists / cm.

[0038] The elastic wrapped yarn is made into a woven fabric, and its steps and process parameters are basically the same as in Example 1, except that the warp and weft yarn density is 150D, and the grammage is 200g / m 2 .

[0039] The transve...

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 an elastic fasciated yarn resistant to electromagnetic radiation and fabric obtained by weaving the same. The core yarn of the elastic fasciated yarn is made of an elastic fiber filament, wherein the outer wrapping yarn is made of conductive polyester / metal filament fasciated yarn, the core yarn of the conductive polyester / metal filament fasciated yarn is made of a metal filament, and the outer wrapping yarn is made of a conductive polyester fiber filament. The fabric obtained by weaving the elastic fasciated yarn resistant to the electromagnetic radiation has a transverse elongation of 70-120%, a transverse recovery of 96-100%, a longitudinal extension of 95-130%, a longitudinal recovery of 95-100%, a creasy recovery angle of 300-330 degrees, the flatness of appearance of 4-5 grade and an electromagnetic shielding value of up to 7-27 dB against 1.5 GHz electromagnetic waves. According to the elastic fasciated yarn resistant to the electromagnetic radiation and the fabric obtained by weaving the same, the elastic fiber filament is adopted as the core yarn, and the conductive polyester / metal filament is adopted as the outer wrapping yarn, and therefore the fabric obtained by weaving the elastic fasciated yarn resistant to the electromagnetic radiation not only is high in shape retention, but also has two effects of reflection and absorption of the electromagnetic waves at the same time, so that the shielding effectiveness of the fabric against the electromagnetic waves is improved.

Description

technical field [0001] The invention belongs to the field of novel spinning, and relates to an elastic wrapping yarn for preventing electromagnetic radiation and a fabric prepared therefrom. Background technique [0002] With the rapid development of miniaturization and high integration of modern electronic equipment, the electromagnetic environment in which human beings live is becoming more and more complex. At present, electromagnetic radiation has become the fourth largest public hazard after noise pollution, air pollution and water pollution. Electromagnetic radiation not only interferes with the normal operation of electronic equipment, but also has great harm to human health, and is called an "invisible killer". A large amount of scientific evidence shows that long-term exposure to electromagnetic radiation can easily lead to metabolic disorders, decreased body immunity, rough skin, etc., and even induce leukemia and various types of cancer. With the continuous enha...

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): D02G3/32D01D5/253D02G3/38D03D15/08D04B1/18D03D15/56
CPCD01D5/253D02G3/328D02G3/38D04B1/18D10B2331/10D10B2331/04D10B2101/20D03D15/56
Inventor 于志财王华平陈烨何华玲王朝生陈向玲吉鹏乌婧邵正丽
Owner DONGHUA UNIV
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