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High-insulation shielding wrapping tape and preparation method thereof

A high insulation and taping technology, applied in the direction of insulated conductors, insulated cables, chemical instruments and methods, etc., can solve the problems of no insulating protective layer, shielding tape is easy to conduct electricity, electric shock, etc., and achieves the effect of strong temperature resistance

Inactive Publication Date: 2018-12-21
YANG ZHOU TENGFEI ELECTRIC CABLE & APPLIANCE MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The tapes specially used for cable shielding performance are copper tape, aluminum tape and a very small part of lead sheath. They all have superior shielding performance and good electrical conductivity, but the disadvantage is that there is no insulating protective layer on the surface, and the cable is exposed to heat. In the case of damage and rupture, the shielding tape is very easy to conduct electricity, get an electric shock, and leak electricity when it is in contact with the power supply. Especially in special cables that require no metal components as conductors and shielding layers, it has good shielding performance and cannot be detected by metal detectors. Underground cables made of metal, currently other metal materials cannot have the above functions

Method used

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  • High-insulation shielding wrapping tape and preparation method thereof
  • High-insulation shielding wrapping tape and preparation method thereof
  • High-insulation shielding wrapping tape and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 The preparation method of high insulation shielding tape

[0022] 1) Use high elastic insulating cloth made of functional composite fibers; use polyester filament 50-150dtex for warp yarn, density 30-40 threads / cm, choose medium alkali or alkali-free weft yarn, 45 double strands or 21-33 single strands Silk, density 10-20 / cm.

[0023] 2) Use polymerization technology to make high-viscosity conductive composite binder: mainly use nano-conductive hollow carbon nanotubes and water-based acrylic emulsion, add cross-linking agent, dispersant and water, stir at high speed under normal temperature and high pressure conditions, that is A binder is obtained; the composition and percentage of the binder are: 30% of acrylic acid, 10% of hollow carbon nanotubes, 3% of crosslinking agent formaldehyde, 50% of water, and 7% of dispersant.

[0024] 3) High-speed dry laminating machine and foam spraying glue coating technology are used to compound high-elastic insulating c...

Embodiment 2

[0026] Embodiment 2 The preparation method of high insulation shielding tape

[0027] 1) Use high elastic insulating cloth made of functional composite fibers; use polyester filament 50-150dtex for warp yarn, density 30-40 threads / cm, choose medium alkali or alkali-free weft yarn, 45 double strands or 21-33 single strands Silk, density 10-20 / cm.

[0028] 2) Use polymerization technology to make high-viscosity conductive composite binder: mainly use nano-conductive hollow carbon nanotubes and water-based acrylic emulsion, add cross-linking agent, dispersant and water, stir at high speed under normal temperature and high pressure conditions, that is A binder is obtained; the composition and percentage of the obtained binder are: 30% of acrylic acid, 10% of hollow carbon nanotubes, 3% of crosslinking agent formaldehyde, 52% of water, and 5% of dispersant.

[0029] 3) High-speed dry laminating machine and foam spraying glue coating technology are used to compound high-elastic ins...

Embodiment 3

[0031] Embodiment 3 The preparation method of high insulation shielding tape

[0032] 1) Use high elastic insulating cloth made of functional composite fibers; use polyester filament 50-150dtex for warp yarn, density 30-40 threads / cm, choose medium alkali or alkali-free weft yarn, 45 double strands or 21-33 single strands Silk, density 10-20 / cm.

[0033] 2) Use polymerization technology to make high-viscosity conductive composite binder: mainly use nano-conductive hollow carbon nanotubes and water-based acrylic emulsion, add cross-linking agent, dispersant and water, stir at high speed under normal temperature and high pressure conditions, that is A binder is obtained; the composition and percentage of the binder are: 30% of acrylic acid, 12% of hollow carbon nanotubes, 3% of crosslinking agent formaldehyde, 50% of water, and 5% of dispersant.

[0034] 3) High-speed dry laminating machine and foam spraying glue coating technology are used to compound high-elastic insulating c...

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Abstract

The invention provides a high-insulation shielding wrapping tape. The high-insulation shielding wrapping tape is composed of upper-layer functional composite fiber cloth, a middle-layer conductive carbon black colloid layer and lower-layer functional composite fiber cloth. The invention further provides a preparation method of the high-insulation shielding wrapping tape; the preparation method selects high-elasticity insulating cloth made of functional composite fibers, and a high-viscosity conductive composite binding agent is produced by applying a polymerization reaction technology; a clamping type dry type compounding technology is adopted and vacuum drying is carried out to prepare the high-insulation shielding wrapping tape. The high-insulation shielding wrapping tape has the characteristics of insulating surface, conductive and shielding inner part, heat resistance, light specific gravity, softness, easiness for wrapping, environment protection and the like and is widely applied.

Description

technical field [0001] The invention relates to a high-insulation shielding tape and a preparation method thereof, belonging to the field of cable materials. Background technique [0002] Among the structural elements of the cable, the tape wrapping of different materials and structures is one of the important components of the cable structure. In rubber and plastic wires and cables, the main functions of the tape wrapping layer are: (1) to increase the mechanical strength of the insulated core. For rubber insulated cores that are not continuously vulcanized, especially the insulated cores of the longitudinal wrapping method, wrapping tape To enhance its mechanical strength, prevent insulation bias and scratches during transportation, rewinding and vulcanization in vulcanization tanks; rubber insulation is cold-processed and longitudinally wrapped, which is prone to quality defects such as cracking and delamination of the rolling seam . Some improvement can be obtained aft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/36B32B27/02B32B27/12B32B7/10B32B37/12B32B38/16D03D15/00D03D13/00H01B7/02H01B7/18H01B7/28H01B7/29H01B9/02D03D15/267D03D15/283
CPCH01B7/02H01B7/18H01B7/28H01B7/29H01B9/02D03D13/008D03D15/00B32B5/02B32B5/26B32B7/10B32B37/1284B32B38/164D10B2331/04B32B2307/718B32B2307/71B32B2307/206B32B2307/212B32B2307/306B32B2262/0284B32B2250/20
Inventor 张云付前刚史小红李贺军周敏玉张云芳徐鹭鹭
Owner YANG ZHOU TENGFEI ELECTRIC CABLE & APPLIANCE MATERIALS CO LTD
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