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Shock-resistant tearing-resistant high-weather-resistant cable

A tear-resistant, high-weather-resistant technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of nitrile rubber weather resistance decline, etc., to achieve the effect of improving weather resistance, high phase change enthalpy, and good tear resistance

Inactive Publication Date: 2016-04-06
ANHUI NANYANG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nitrile rubber is a rubber material synthesized by emulsion polymerization of butadiene and acrylonitrile monomers. Its molecular chain contains unsaturated double bonds and polar groups—CN, so it has excellent oil resistance and excellent Physical and mechanical properties, its oil resistance increases with the increase of the proportion of acrylonitrile monomer in nitrile rubber, but at the same time the weather resistance of nitrile rubber gradually decreases

Method used

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  • Shock-resistant tearing-resistant high-weather-resistant cable
  • Shock-resistant tearing-resistant high-weather-resistant cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 as shown, figure 1 It is a schematic diagram of the radial cross-sectional structure of an impact-resistant, tear-resistant and high-weather-resistant cable proposed by the present invention.

[0024] refer to figure 1 , an impact-resistant, tear-resistant, high-weather-resistant cable proposed by the present invention includes a conductor 1, an insulating layer 2 covering the conductor 1, a filling layer 3 covering the insulating layer 2, a shielding layer 4 covering the filling layer 3, and a The armor layer 5 covering the shielding layer 4 and the outer sheath 6 covering the armor layer 5;

[0025] The raw materials of the outer sheath 6 include by weight: 270,758 parts of nitrile rubber with an acrylonitrile content of 30 wt%, 23 parts of ethylene-propylene rubber, 17 parts of natural rubber, 10 parts of para-aramid fiber, and a composite flame-retardant phase change 10 parts of capsule, 13 parts of hard clay, 4 parts of magnesium oxide, 27 parts...

Embodiment 2

[0030] An impact-resistant, tear-resistant, high-weather-resistant cable proposed by the present invention includes a conductor 1, an insulating layer 2 covering the conductor 1, a filling layer 3 covering the insulating layer 2, a shielding layer 4 covering the filling layer 3, a covering The armor layer 5 of the shielding layer 4 and the outer sheath 6 covering the armor layer 5;

[0031] The raw materials of the outer sheath 6 include by weight: 270,755 parts of nitrile rubber with an acrylonitrile content of 27 wt%, 27 parts of ethylene-propylene rubber, 14 parts of natural rubber, 12 parts of para-aramid fiber, and a composite flame-retardant phase change 7 parts of capsule, 15 parts of hard clay, 2 parts of magnesium oxide, 32 parts of magnesium carbonate, 8 parts of sepiolite, 14 parts of lanthanum oxide, 20 parts of mica powder, 4 parts of furnace carbon black, monoalkoxy titanic acid 3 parts of ester coupling agent, 6.5 parts of sulfur, 1.7 parts of accelerator TT, 2....

Embodiment 3

[0036] An impact-resistant, tear-resistant, high-weather-resistant cable proposed by the present invention includes a conductor 1, an insulating layer 2 covering the conductor 1, a filling layer 3 covering the insulating layer 2, a shielding layer 4 covering the filling layer 3, a covering The armor layer 5 of the shielding layer 4 and the outer sheath 6 covering the armor layer 5;

[0037] The raw materials of the outer sheath 6 include by weight: 270,757 parts of nitrile rubber, 24 parts of ethylene propylene rubber, 16 parts of natural rubber, 10.5 parts of para-aramid fiber, 9 parts of composite flame-retardant phase change microcapsules, hard clay 13.5 parts, 3 parts of magnesium oxide, 28 parts of magnesium carbonate, 10 parts of sepiolite, 12 parts of lanthanum oxide, 22 parts of mica powder, 2.5 parts of furnace carbon black, 4.5 parts of monoalkoxy titanate coupling agent, 4.8 parts of sulfur, 2.1 parts of accelerator TT, 2.2 parts of accelerator DM, 6 parts of aromat...

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Abstract

The invention discloses a shock-resistant tearing-resistant high-weather-resistant cable comprising a conductor, an insulating layer, a filling layer, a shielding layer, an armor layer and an outer sheath; the outer sheath comprises the raw materials in parts by weight: 55-58 parts of butadiene-acrylonitrile rubber 2707, 23-27 parts of ethylene propylene rubber, 14-17 parts of natural rubber, 10-12 parts of p-aramid fibers, 7-10 parts of composite flame-retardant phase-change microcapsules, 13-15 parts of hard argil, 2-4 parts of magnesium oxide, 27-32 parts of magnesium carbonate, 8-11 parts of sepiolite, 11-14 parts of lanthanum oxide, 20-23 parts of a mica powder, 2-4 parts of furnace carbon black, 3-5 parts of a monoalkoxy type titanate coupling agent, 4.3-6.5 parts of sulfur, 1.7-2.2 parts of an accelerant TT, 2.1-2.5 parts of an accelerant DM, 4-7 parts of aromatic oil, 1-3 parts of castor oil, 4-6 parts of coumarone, 3-6 parts of naphthenic oil, 2.8-3.3 parts of an anti-aging agent BLE, and 4.3-4.6 parts of an anti-aging agent OD.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to an impact-resistant, tear-resistant and high-weather-resistant cable. Background technique [0002] Nitrile rubber is a rubber material synthesized by emulsion polymerization of butadiene and acrylonitrile monomers. Its molecular chain contains unsaturated double bonds and polar groups—CN, so it has excellent oil resistance and excellent Its physical and mechanical properties, its oil resistance increases with the increase of the proportion of acrylonitrile monomer in nitrile rubber, but at the same time the weather resistance of nitrile rubber gradually decreases. [0003] When preparing the outer sheath of the cable, nitrile rubber is often used with other rubber materials due to its poor impact resistance and tear resistance. How to improve the impact resistance and tear resistance of the outer sheath of the cable while enhancing its Weather resistance has become the key direc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L23/16C08L7/00C08L77/10C08L91/00C08K13/06C08K9/10C08K3/34C08K3/22C08K3/04C08G12/40H01B7/18H01B7/28
CPCC08L9/02C08G12/40C08K2201/014C08L2201/08C08L2203/202C08L2205/025C08L2205/035C08L2205/16H01B7/1835H01B7/28H01B7/2806C08L23/16C08L7/00C08L77/10C08L91/00C08K13/06C08K9/10C08K3/346C08K2003/222C08K2003/221C08K3/34C08K3/04
Inventor 朱成颍叶明高张平陆长文汪金飞
Owner ANHUI NANYANG NEW MATERIAL TECH CO LTD
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