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High temperature resistance non halogen flame retardant cable sheath material and preparation method thereof

A flame-retardant cable and high-temperature-resistant technology, applied to rubber insulators, organic insulators, etc., to achieve the effects of increasing vulcanization speed, reducing dosage, and improving the performance of vulcanized rubber

Active Publication Date: 2009-12-30
SICHUAN MINGXING CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned problems existing in the existing flame-retardant wire and cable sheathing materials, and provide a high-temperature-resistant halogen-free flame-retardant cable sheathing material and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] A high-temperature-resistant halogen-free flame-retardant cable sheathing material, comprising the following components in parts by weight:

[0061] EPDM rubber 100 parts,

[0062] 1.5 parts of vulcanizing agent,

[0063] 1.5 parts of co-vulcanizing agent,

[0064] 0.5 parts of coupling agent,

[0065] Anti-aging agent 4 parts,

[0066] softener 4 parts,

[0067] 80 parts of flame retardant filler.

[0068] A method for preparing a high-temperature-resistant halogen-free flame-retardant cable sheathing material, comprising the following steps:

[0069] a. Weigh the material, weigh 100 parts of EPDM rubber, 1.5 parts of vulcanizing agent, 1.5 parts of co-vulcanizing agent, 0.5 parts of coupling agent, 4 parts of anti-aging agent, 4 parts of softening agent, and 80 parts of flame retardant filler for use ;

[0070] b. Mixing, first mix EPDM rubber for 1 minute, then add 40 parts of flame retardant filler and 2 parts of softener in sequence, then add coupling agent,...

Embodiment 2

[0077] A high-temperature-resistant halogen-free flame-retardant cable sheathing material, comprising the following components in parts by weight:

[0078] EPDM rubber 100 parts,

[0079] 6 parts of vulcanizing agent,

[0080] 6 parts of co-vulcanizing agent,

[0081] 5 parts of coupling agent,

[0082] Anti-aging agent 20 parts,

[0083] Softener 30 parts,

[0084] 250 parts of flame retardant filler.

[0085] A method for preparing a high-temperature-resistant halogen-free flame-retardant cable sheathing material, comprising the following steps:

[0086] a. Weigh the material, weigh 100 parts of EPDM rubber, 6 parts of vulcanizing agent, 6 parts of co-vulcanizing agent, 5 parts of coupling agent, 20 parts of anti-aging agent, 30 parts of softening agent, and 250 parts of flame retardant filler for use ;

[0087] b. Mixing, first mix EPDM rubber for 2 minutes, then add 125 parts of flame retardant filler and 15 parts of softener in turn, then add coupling agent, anti-a...

Embodiment 3

[0095] A high-temperature-resistant halogen-free flame-retardant cable sheathing material, comprising the following components in parts by weight:

[0096] EPDM rubber 100 parts,

[0097] 3 parts vulcanizing agent,

[0098] 4 parts of co-vulcanizing agent,

[0099] 3 parts of coupling agent,

[0100] Anti-aging agent 10 parts,

[0101] Softener 15 parts,

[0102] 150 parts of flame retardant filler.

[0103] A method for preparing a high-temperature-resistant halogen-free flame-retardant cable sheathing material, comprising the following steps:

[0104] a. Weigh the material, weigh 100 parts of EPDM rubber, 3 parts of vulcanizing agent, 4 parts of co-vulcanizing agent, 3 parts of coupling agent, 10 parts of anti-aging agent, 15 parts of softening agent, and 150 parts of flame retardant filler for use ;

[0105] b. Mixing, first mix EPDM rubber for 1.5 minutes, then add 75 parts of flame retardant filler and 7.5 parts of softener in sequence, then add coupling agent, ant...

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Abstract

The invention discloses a high temperature resistance non halogen flame retardant cable sheath material and a preparation method thereof. The high temperature resistance non halogen flame retardant cable sheath material comprises the following components with the following parts by weight: 100 parts of ethylene-propylene-diene monomer (EPDM), 1.5-6 parts of vulcanizing agent, 1.5-6 parts of co-vulcanization agent, 0.5-5 parts of coupling agent, 4-20 parts of antiager, 4-30 parts of softener and 80-250 parts of inflaming retarding filling agent. In the invention, the halogen-free material is adopted, thick smoke, corrosive halogenide gas and other harmful substances are not generated in the process of burning; the cable sheath of the invention features excellent elasticity and tenacity, not only has obvious inflaming retarding effect, but also improves heat-resisting and anti-aging properties, can resist high temperature, and has high mechanical strength and wide application range; in addition, the production process is easy and is convenient for rubber-producing enterprises to achieve self-sufficiency.

Description

technical field [0001] The invention relates to a cable sheath material and a preparation method thereof, in particular to a high-temperature-resistant halogen-free flame-retardant cable sheath material and a preparation method thereof. Background technique [0002] Flame-retardant wire and cable sheathing materials are mainly divided into halogen-containing flame-retardant fuels, low-halogen flame-retardant fuels and halogen-free flame-retardant fuels. Halogen-containing flame-retardant fuels release a large amount of dense smoke and corrosive halide gases when burned. In the event of a fire, these dense smoke and harmful gases will cause harm to human body and equipment. With the continuous improvement of international environmental protection requirements, the use of halogen-containing and low-halogen resistance fuels will be restricted or prohibited in most cable applications. In order to achieve the purpose of low smoke, low toxicity and flame retardancy, many cable ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08K13/06C08K5/33C08K5/3492C08K5/29C08K3/22C08K5/18H01B3/28
Inventor 李勇军李广元盛业武沈卢东陈贵德沈智飞吕刚
Owner SICHUAN MINGXING CABLE
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