Self-rolling shielding sleeve with double-layer structure and preparation method thereof

A double-layer structure, self-rolling technology, used in chemical instruments and methods, lamination, layered products, etc., can solve the problems of protective sleeves without shielding function, poor puncture resistance of sleeves, and heavy sleeves. , to achieve the effect of excellent electromagnetic shielding performance, excellent light aging resistance, and high puncture resistance

Active Publication Date: 2022-02-15
吉林省亚安新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current protective sleeves do not have a shielding function. For example, CN201120438767.4 discloses a self-rolling sleeve, that is, it is self-rolled along the radial direction of the sleeve so that parts overlap each other and can be opened under the action of an external force. The sleeve is only used to protect the cable and facilitate construction, and has no shielding function
Patent CN201310584056.1 uses PET monofilament, PA monofilament or PPS monofilament and metal wire to weave into a self-rolling sleeve. heavy tube weight
In addition, the weaving performance of the metal wire as a weft yarn is poor, it is easy to break during the weaving process, and the puncture resistance of the woven sleeve is poor

Method used

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  • Self-rolling shielding sleeve with double-layer structure and preparation method thereof
  • Self-rolling shielding sleeve with double-layer structure and preparation method thereof
  • Self-rolling shielding sleeve with double-layer structure and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Preparation of the first body:

[0048] The first warp yarn is composed of 3 multifilament yarns with a linear density of 1100D aramid long fibers combined at constant tension. The first weft yarn is 2 polyphenylene sulfide long fiber monofilaments with a monofilament diameter of 0.30 mm and 3 strands of 10 non-thermoplastic polyimide Amine yarn, woven into a plain weave tape structure in warp and weft, and at the same time along one free edge of the warp direction, 2 strands of white aramid long fibers are woven with a maximum diameter marking line, the minimum distance between the marking line and the free edge of the warp is 7 mm . Wherein, the weaving density of the first warp yarn is 30 strands / inch, and the weaving density of the first weft yarn is 30 strands / inch.

[0049] The woven first sheet-shaped woven fabric is sequentially passed through the treatment tank with a solid content of 20% anti-mold treatment liquid at a speed of 2 m / min, and a drying hot rolle...

Embodiment 2

[0059] Preparation of the first body:

[0060] The first warp yarn is combined by 6 strands of multifilament linear density 1000D polybenzoxazole long fiber at constant tension, and the first weft yarn is 1 thermoplastic polyimide long fiber monofilament with a monofilament diameter of 0.40 mm and 2 strands of 20 non-woven fabrics. Thermoplastic polyimide yarn, woven into a warp and weft twill weave tape structure, at the same time along a free edge of the warp direction, 2 strands of white aramid long fibers are woven with a maximum diameter marking line, and the shortest distance between the marking line and the free edge of the warp The distance is 10 mm. Wherein, the weaving density of the first warp yarn is 25 strands / inch, and the weaving density of the first weft yarn is 20 strands / inch.

[0061] The woven first piece of woven fabric is sequentially passed through the treatment tank with a solid content of 30% mildew treatment solution at a speed of 8 m / min, and a dryi...

Embodiment 3

[0071] Preparation of the first body:

[0072] The first warp yarn is combined by 4 non-thermoplastic polyimide long fibers with a multifilament linear density of 800D at constant tension, and the first weft yarn is a thermoplastic polyimide long fiber monofilament with a monofilament diameter of 0.45 mm, which is woven into warp and weft The plain weave belt structure is woven, and at the same time, a free edge along the warp direction is woven with 2 strands of white aramid long fibers with a maximum diameter marking line, and the shortest distance between the marking line and the free edge of the warp is 7 mm. Wherein, the weaving density of the first warp yarn is 30 strands / inch, and the weaving density of the first weft yarn is 30 strands / inch.

[0073] The woven first sheet-shaped woven fabric is sequentially passed through the treatment tank with a solid content of 20% mildew-proof treatment liquid at a speed of 5 m / min, and a drying hot roller at 250 ° C, equipped with...

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Abstract

The invention relates to a self-rolling shielding sleeve with a double-layer structure. The self-rolling shielding sleeve includes a first sleeve body formed of a first sheet-shaped braided fabric and a second sleeve body located in the first sleeve body. A second cover formed from two sheets of woven fabric; the first sheet of woven fabric has a first pair of free edges extending along the longitudinal axis of said first cover, and is self-curling into a first pair without external force A curled state where the free edges overlap each other. The second sheet of woven fabric has free edges along the second pair; the first pair of free edges is sewn together with the second pair of free edges. The self-winding shielding sleeve of the present invention has light weight, good weft weaving performance, high puncture resistance, excellent scratch resistance, light aging resistance and high temperature resistance, good mold and water resistance, simple structure, and easy production. Disassembly, installation and maintenance, especially suitable for effectively protecting cables, optical cables and other tubular objects under harsh working conditions such as high temperature, high radiation intensity, and electromagnetic signal interference.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a self-rolling shielding sleeve with a double-layer structure and a preparation method thereof. Background technique [0002] With the development of science and technology, the power consumption system of electrical equipment has increased, the structure has become compact, and the electromagnetic environment generated has become more and more complex. All kinds of wiring harnesses are concentrated in a limited space, which makes the interference between wiring harnesses serious. In order to ensure the normal operation of electrical equipment, it is urgent to shield the wire harness cables. However, most of the current protective sleeves do not have a shielding function. For example, CN201120438767.4 discloses a self-rolling sleeve, that is, it is self-rolled along the radial direction of the sleeve so that parts overlap each other and can be opened under the action of an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B1/08B32B27/28B32B27/02B32B5/06B32B27/12B32B37/06B32B37/08B32B37/00B32B38/00
CPCB32B1/08B32B5/26B32B5/02B32B5/06B32B27/12B32B37/06B32B37/08B32B37/0038B32B38/00B32B2307/212B32B2307/558B32B2307/73B32B2307/7145B32B2307/554B32B2307/552B32B2307/306B32B2262/0269B32B2038/008B32B2250/20
Inventor 李春友
Owner 吉林省亚安新材料有限公司
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