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Anti-aging cable sheath for electrical equipment, and preparation method of anti-aging cable sheath

An anti-aging technology for power equipment, applied to rubber insulators, organic insulators, etc., can solve the problems of unsustainable performance, general anti-aging effect, and high cost of raw materials, and achieve the effects of low cost, shortened preparation time, and simple preparation methods

Inactive Publication Date: 2018-11-13
HEFEI XINYADA INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two existing technologies all have the disadvantages of general anti-aging effect, unsustainable performance, high cost of raw materials and complicated preparation methods.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] An anti-aging cable sheath for power equipment, comprising the following raw materials in parts by weight: 8 parts of EPDM rubber, 7 parts of nitrile rubber, 12 parts of dibutyl maleate, 9 parts of composite filler, 15 parts of modified carbon nanotubes, 8 parts of modified alumina, 5 parts of calcium oxide, 14 parts of sodium stearate, 8 parts of talc, 6 parts of polyethylene glycol, 4 parts of paraffin, 12 parts of sucrose stearate , 3 parts of anti-aging agent, 6 parts of flame retardant and 5 parts of ultraviolet absorber.

[0033] A method for preparing an anti-aging cable for power equipment, comprising the following preparation steps:

[0034]a. Add EPDM rubber and nitrile rubber into the rubber mixing machine, control the roller temperature at 75°C, and press for 35min. After the reaction, keep warm at 65°C to obtain mixture 1;

[0035] b. Mix calcium oxide and talcum powder, crush them to pass through a 600-mesh sieve, then add them to polyethylene glycol toge...

Embodiment 2

[0044] An anti-aging cable sheath for power equipment, comprising the following raw materials in parts by weight: 8 parts of EPDM rubber, 11 parts of nitrile rubber, 10 parts of dibutyl maleate, 5 parts of composite filler, 14 parts of modified carbon nanotubes, 6 parts of modified alumina, 5 parts of calcium oxide, 114 parts of sodium stearate, 11 parts of talc, 11 parts of polyethylene glycol, 7 parts of paraffin, 10 parts of sucrose stearate , 5 parts of anti-aging agent, 4 parts of flame retardant and 3 parts of ultraviolet absorber.

[0045] A method for preparing an anti-aging cable for power equipment, comprising the following preparation steps:

[0046] a. Add EPDM rubber and nitrile rubber into the rubber mixer, control the roller temperature at 80°C, and press for 35 minutes. After the reaction, keep warm at 60°C to obtain mixture 1;

[0047] b. Mix calcium oxide and talc powder, crush them to pass through a 600-mesh sieve, then add them to polyethylene glycol toget...

Embodiment 3

[0056] An anti-aging cable sheath for power equipment, comprising the following raw materials in parts by weight: 9 parts of EPDM rubber, 10 parts of nitrile rubber, 9 parts of dibutyl maleate, 6 parts of composite filler, 13 parts of modified carbon nanotubes, 7 parts of modified alumina, 7 parts of calcium oxide, 12 parts of sodium stearate, 11 parts of talcum powder, 9 parts of polyethylene glycol, 5 parts of paraffin, 8 parts of sucrose stearate , 6 parts of anti-aging agent, 5 parts of flame retardant and 3 parts of ultraviolet absorber.

[0057] A method for preparing an anti-aging cable for power equipment, comprising the following preparation steps:

[0058] a. Add EPDM rubber and nitrile rubber into the rubber mixing machine, control the roller temperature at 75°C, and press for 35min. After the reaction, keep warm at 65°C to obtain mixture 1;

[0059] b. Mix calcium oxide and talcum powder, crush them to pass through a 600-mesh sieve, then add them to polyethylene g...

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PUM

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Abstract

The invention provides anti-aging cable sheath for electrical equipment, and a preparation method of the anti-aging cable sheath. The anti-aging cable sheath is prepared from the following components:ethylene propylene diene monomer (EPDM) rubber, nitrile rubber, dibutyl maleate, composite filler, modified carbon nanotubes, modified alumina, calcium oxide, sodium stearate, talc powder, polyethylene glycol, paraffin, sucrose stearate, an anti-aging agent, a flame retardant and an ultraviolet light absorber. The cable sheath prepared by the method is excellent in aging resistance, creep resistance, heat resistance, electrical insulating property, dimensional stability, mechanical strength and the like, and is low in price of the components and simple in preparation method, thus being suitable for large-scale industrial production.

Description

technical field [0001] The invention belongs to the technical field of cable sheath materials, and in particular relates to an anti-aging cable sheath used for power equipment and a preparation method thereof. Background technique [0002] Cable is a general term for items such as optical cables and cables. There are many uses of cables, mainly used for multiple functions such as control installation, connection equipment, power transmission, etc. It is a common and indispensable thing in daily life. [0003] The cable sheath is a structural part that protects the insulation layer of the wire and cable from environmental factors. The main function of the cable sheath is to improve the mechanical strength of the wire and cable, chemical corrosion resistance, moisture resistance, water immersion, and the ability to prevent the cable from burning. Cable sheaths include rubber, plastic, nylon and other varieties, all of which have their own excellent characteristics. For examp...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L9/02C08L71/02C08L91/06C08K13/06C08K9/04C08K3/04C08K3/22C08K3/34C08K5/098H01B3/28
Inventor 张玉
Owner HEFEI XINYADA INTELLIGENT TECH CO LTD
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