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Oilproof cable with high tensile strength and long service life

A technology with tensile strength and long life, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of short service life of cable core, decrease of tensile strength, crack resistance, etc., achieve aging resistance and toughness enhancement, surface Excellent smoothness and enhanced crack resistance

Inactive Publication Date: 2018-01-26
安徽伙伴电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, cables are used as signal connection lines between various electrical appliances, instruments and automatic devices. In important economic fields such as industrial and mining enterprises, transportation, etc., the existing cables are often immersed in oil stains during use, and the tensile strength and crack resistance are significantly reduced, resulting in a short service life of the existing cable cores.

Method used

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  • Oilproof cable with high tensile strength and long service life

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A cable with high oil-resistant tensile strength and long service life, including a cable core and a protective sheath covering the outside of the cable core. The raw materials of the protective sheath include 60 parts by weight of natural rubber, 40 parts of styrene-butadiene rubber, and neoprene 10 parts, 10 parts of plasticizer, 1 part of dibenzoyl peroxide, 0.9 parts of tert-butyl hydroperoxide, 2 parts of stearic acid, 120 parts of filler, 2 parts of styrene-butadiene thermoplastic elastomer, 5 parts of polyethylene glycol, 0.2 part of antioxidant 1070, 2 parts of antioxidant 626, 0.4 part of antioxidant 2248.

Embodiment 2

[0016] A cable with high oil-resistant tensile strength and long service life, including a cable core and a protective sheath covering the outside of the cable core. The raw materials of the protective sheath include by weight: 80 parts of natural rubber, 20 parts of styrene-butadiene rubber, and neoprene 20 parts, 8 parts of plasticizer, 1.5 parts of dibenzoyl peroxide, 0.5 parts of tert-butyl hydroperoxide, 4 parts of stearic acid, 110 parts of filler, 4 parts of styrene-butadiene thermoplastic elastomer, 3 parts of polyethylene glycol, 0.6 part of antioxidant 1070, 1 part of antioxidant 626, and 1 part of antioxidant 2248.

[0017] The filler comprises by weight: 58 parts of pretreated halloysite nanotubes, 32 parts of calcined kaolin, 13 parts of mica powder, 12 parts of sepiolite powder and 16 parts of talcum powder.

[0018] Pretreatment halloysite nanotubes are prepared by the following process: add halloysite nanotubes to concentrated sulfuric acid, heat up and reflux,...

Embodiment 3

[0020] A cable with high oil-resistant tensile strength and long service life, including a cable core and a protective sheath covering the outside of the cable core. The raw materials of the protective sheath include 65 parts by weight of natural rubber, 35 parts of styrene-butadiene rubber, and neoprene 12 parts, 9.5 parts of plasticizer, 1.2 parts of dibenzoyl peroxide, 0.8 parts of tert-butyl hydroperoxide, 2.5 parts of stearic acid, 118 parts of filler, 2.5 parts of styrene-butadiene thermoplastic elastomer, 4.5 parts of polyethylene glycol, 0.3 parts of antioxidant 1070, 1.8 parts of antioxidant 626, and 0.6 parts of antioxidant 22480.

[0021] The plasticizer comprises by weight: 4 parts of toluene diphenyl phosphate, 2 parts of dipentaerythritol ester, and 2 parts of dimethyl phthalate. The filler includes, by weight, 60 parts of pretreated halloysite nanotubes, 30 parts of calcined kaolin, 15 parts of mica powder, 8 parts of sepiolite powder and 18 parts of talcum powd...

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Abstract

The invention discloses an oilproof cable with high tensile strength and long service life. The cable includes a cable core and a protective sleeve, the protective sleeve comprises the following raw materials by weight: 60-80 parts of natural rubber, 20-40 parts of styrene butadiene rubber, 10-20 parts of chloroprene rubber, 8-10 parts of a plasticizer, 1-1.5 parts of dibenzoyl peroxide, 0.5-0.9 part of tert-butyl hydroperoxide, 2-4 parts of stearic acid, 110-120 parts of filler, 2-4 parts of styrene-butadiene thermoplastic elastomer, 3-5 parts of polyethylene glycol, 0.2-0.6 part of an antioxidant 1070, 1-2 parts of an antioxidant 626, and 0.4-1 part of an antioxidant 2248. The preparation process of a pretreated halloysite nanotube includes: adding a halloysite nanotube into concentratedsulfuric acid, conducting heating reflux, adding an ethanol aqueous solution and a rare earth compound, adjusting the temperature, performing standing, then conducting stirring, adding polyethylene glycol and 1, 4-dioxane, mixing the substances evenly, adding sodium hydroxide and conducting stirring, adding isobutyl chloride and performing further stirring, carrying out heating roasting and crushing, thus obtaining the pretreated halloysite nanotube.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a cable with high oil-resistant tensile strength and long service life. Background technique [0002] At present, cables are used as signal connection lines between various electrical appliances, instruments and automatic devices. In important economic fields such as industrial and mining enterprises, transportation, etc., the existing cables are often immersed in oil stains during use, and the tensile strength and crack resistance are significantly reduced, resulting in a short service life of the existing cable cores. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a cable with high oil-resistant tensile strength and long service life, which has good mechanical properties, high tensile strength, and excellent performance in crack resistance, which can meet the market demand for cables. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/06C08L11/00C08L53/02C08L71/02C08K13/06C08K9/04C08K9/02C08K7/26C08K5/523C08K5/103C08K5/12H01B3/28H01B7/282
Inventor 童茜黄海琴
Owner 安徽伙伴电气有限公司
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