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Highly flame-retardant aging-resistant fluorine rubber cable sheath material

A cable sheathing and fluororubber technology is applied in the field of high flame-retardant and aging-resistant fluororubber cable sheathing materials, which can solve the problem of insufficient flame retardancy, aging resistance and heat resistance of cables, poor heat resistance, and fluorine The problem of large permanent deformation of rubber can improve the vulcanization efficiency, shorten the vulcanization time, overcome the low temperature resistance and poor compression set.

Active Publication Date: 2019-02-22
ANHUI ZHONGHONG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Fluorine rubber is a kind of synthetic polymer elastomer in which carbon atoms in the main chain or side chain are connected with fluorine atoms. It has good high temperature stability, medium resistance, physical properties and electrical insulation. It has been widely used in modern Aeronautics, aerospace, rockets and other cutting-edge science and technology fields, but fluorine rubber also has the defects of large permanent deformation and poor heat resistance. At the same time, it is used in cables with defects of insufficient flame retardancy, aging resistance and heat resistance. , which limits its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The present invention proposes a highly flame-retardant and aging-resistant fluororubber cable sheath material, whose raw materials include by weight: 90 parts of fluororubber, 3 parts of acrylic rubber, 13 parts of EPDM rubber, 0.8 part of stearic acid, 1.5 parts of magnesium oxide, 2 parts of dicumyl peroxide, 1.5 parts of triallyl isocyanurate, 0.3 parts of bisphenol AF, 0.8 parts of benzyl triphenyl phosphorus chloride, 3 parts of cerium oxide, 10 parts of white carbon black 2 parts of fibrous sepiolite, 13 parts of basic magnesium sulfate whiskers, 3 parts of zinc sulfate, 4 parts of desulfurization ash, 1 part of barium sulfate, 3 parts of iron oxide, 5 parts of composite flame retardant, 2.8 parts of anti-aging agent ;

[0020] Wherein, the composite flame retardant is a mixture of caged pentaerythritol phosphate, expandable graphite, zinc borate, tea saponin, and phosphorus nitrogen flame retardants.

[0021] Performance testing was carried out on the high flam...

Embodiment 2

[0023] A high flame-retardant and aging-resistant fluororubber cable sheath material proposed by the present invention, its raw materials include by weight: 80 parts of fluororubber, 7 parts of acrylic rubber, 7 parts of EPDM rubber, 1.7 parts of stearic acid, 0.2 parts of magnesium oxide, 3.5 parts of dicumyl peroxide, 0.2 parts of triallyl isocyanurate, 1.5 parts of bisphenol AF, 0.1 parts of benzyl triphenyl phosphorus chloride, 9 parts of cerium oxide, 5 parts of white carbon black 11 parts of fibrous sepiolite, 6 parts of basic magnesium sulfate whiskers, 6 parts of zinc sulfate, 2 parts of desulfurized ash, 5 parts of barium sulfate, 1 part of iron oxide, 11 parts of composite flame retardant, 0.5 parts of anti-aging agent ;

[0024] Wherein, the composite flame retardant is a mixture of caged pentaerythritol phosphate, expandable graphite, zinc borate, tea saponin, and phosphorus nitrogen flame retardants.

[0025] Performance testing was performed on the high flame-re...

Embodiment 3

[0027] The present invention proposes a highly flame-retardant and aging-resistant fluororubber cable sheath material, whose raw materials include, by weight, 88 parts of fluororubber, 4 parts of acrylic rubber, 11 parts of EPDM rubber, 0.9 part of stearic acid, 1.3 parts of magnesium oxide, 2.6 parts of dicumyl peroxide, 1.3 parts of triallyl isocyanurate, 0.6 parts of bisphenol AF, 0.7 parts of benzyl triphenyl phosphorus chloride, 4 parts of cerium oxide, 9.3 parts of white carbon black 4.5 parts of fibrous sepiolite, 12 parts of basic magnesium sulfate whisker, 3.8 parts of zinc sulfate, 3.8 parts of desulfurization ash, 2 parts of barium sulfate, 2.7 parts of iron oxide, 7 parts of composite flame retardant, 2.5 parts of anti-aging agent ;

[0028] Wherein, the composite flame retardant is a mixture of caged pentaerythritol phosphate, expandable graphite, zinc borate, tea saponin, and phosphorus nitrogen flame retardant;

[0029] Described acrylate rubber is branched pol...

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Abstract

The invention discloses a highly flame-retardant aging-resistant fluorine rubber cable sheath material which contains the following raw materials: fluorine rubber, acrylic rubber, ethylene-propylene-diene monomer, stearic acid, magnesium oxide, dicumyl peroxide, triallyl isocyanurate, bisphenol AF, benzyl triphenyl phosphorous chloride, cerium oxide, white carbon black, fibrous sepiolite, basic magnesium sulfate whisker, zinc sulfate, desulfurized fly ash, barium sulfate, ferric oxide, a composite flame retardant and an anti-aging agent. The composite flame retardant is a mixture of caged pentaerythritol phosphate, expansible graphite, zinc borate, tea saponin and a phosphorus nitrogen flame retardant. The highly flame-retardant aging-resistant fluorine rubber cable sheath material provided by the invention is excellent in flame-retardant property, good in heat resistance and aging resistance, and small in permanent deformation.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a high flame-retardant and aging-resistant fluorine rubber cable sheath material. Background technique [0002] Fluorine rubber is a kind of synthetic polymer elastomer in which carbon atoms in the main chain or side chain are connected with fluorine atoms. It has good high temperature stability, medium resistance, physical properties and electrical insulation. It has been widely used in modern Aeronautics, aerospace, rockets and other cutting-edge science and technology fields, but fluorine rubber also has the defects of large permanent deformation and poor heat resistance. At the same time, it is used in cables with defects of insufficient flame retardancy, aging resistance and heat resistance. , limiting its application. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a highly flame-reta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L33/04C08L23/16C08K13/06C08K9/06C08K7/08C08K3/22C08K7/10C08K9/04C08K3/30C08K3/38C08K5/521C08K3/04C08K5/523C07F9/6574H01B3/28
CPCC07F9/65744C08K2003/2213C08K2003/3045C08K2003/387C08K2201/014C08L27/12C08L2201/02C08L2201/08C08L2203/202C08L2205/03H01B3/28C08L33/04C08L23/16C08K13/06C08K9/06C08K7/08C08K3/22C08K7/10C08K9/08C08K9/04C08K3/30C08K3/38C08K5/521C08K3/04C08K5/523
Inventor 祝春菊吴辰
Owner ANHUI ZHONGHONG CABLE
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