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Silicone rubber cable sheath material with high flame resistance

A technology of cable sheath and silicone rubber, which is applied in the direction of insulating cables, rubber insulators, cables, etc., can solve the problems of unsatisfactory flame retardancy of cables, achieve good hardness, good processing performance, and improve mechanical properties.

Inactive Publication Date: 2017-01-25
ANHUI LAND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, silicone rubber itself will continue to burn when exposed to open flames, and the cables made of it have unsatisfactory flame retardancy, which limits its application in various fields of the national economy, especially in occasions with special requirements for flame retardancy. often need to be modified

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A high flame-retardant silicone rubber cable sheath material proposed by the present invention, its raw materials include by weight: 80 parts of silicone rubber, 10 parts of MQ silicone resin, 20 parts of EPDM rubber, 5 parts of butadiene rubber, zinc oxide 2.5 parts, 1 part of stearic acid, 2 parts of 2,4-dichlorobenzoyl peroxide, 0.5 parts of trimethylolpropane trimethacrylate, 1 part of benzyl triphenyl phosphorus chloride, bisphenol AF 0.3 parts, 10 parts of aluminum silicate fiber, 1 part of iron oxide, 12 parts of nano titanium dioxide, 4 parts of stearic acid modified magnesium hydroxide, 8 parts of ammonium polyphosphate, 3 parts of aluminum nitride, 10 parts of nano silicon carbide, ring 0.5 parts of oxygenated soybean oil, 5 parts of dibutyl phthalate, 3 parts of trioctyl trimellitate, 3.8 parts of accelerator, 0.5 parts of anti-aging agent, and 15 parts of modified β-cyclodextrin.

Embodiment 2

[0020] A kind of high flame-retardant silicone rubber cable sheath material proposed by the present invention, its raw material comprises by weight: 50 parts of silicone rubber, 35 parts of MQ silicone resin, 5 parts of EPDM rubber, 20 parts of butadiene rubber, zinc oxide 1 part, 3 parts of stearic acid, 0.5 part of 2,4-dichlorobenzoyl peroxide, 2 parts of trimethylolpropane trimethacrylate, 0.1 part of benzyl triphenyl phosphorus chloride, bisphenol AF 1.5 parts, 3 parts of aluminum silicate fiber, 5 parts of iron oxide, 3 parts of nano titanium dioxide, 10 parts of stearic acid modified magnesium hydroxide, 2 parts of ammonium polyphosphate, 12 parts of aluminum nitride, 2 parts of nano silicon carbide, ring 1.5 parts of oxygenated soybean oil, 1 part of dibutyl phthalate, 1 part of trioctyl trimellitate, 2 parts of accelerator, 3 parts of anti-aging agent, and 5 parts of modified β-cyclodextrin.

Embodiment 3

[0022] A high flame-retardant silicone rubber cable sheath material proposed by the present invention, its raw materials include by weight: 60 parts of silicone rubber, 30 parts of MQ silicone resin, 10 parts of EPDM rubber, 17 parts of butadiene rubber, zinc oxide 1.4 parts, 2.3 parts of stearic acid, 1 part of 2,4-dichlorobenzoyl peroxide, 1.5 parts of trimethylolpropane trimethacrylate, 0.45 parts of benzyl triphenyl phosphorus chloride, bisphenol AF 1.2 parts, 6 parts of aluminum silicate fiber, 4.2 parts of iron oxide, 6.8 parts of nano-titanium dioxide, 7 parts of stearic acid modified magnesium hydroxide, 4.9 parts of ammonium polyphosphate, 7 parts of aluminum nitride, 6 parts of nano-silicon carbide, ring Oxygenated soybean oil 1.2 parts, dibutyl phthalate 2.9 parts, trioctyl trimellitate 2.4 parts, accelerator NOBS 2.6 parts, anti-aging agent H 0.3 parts, anti-aging agent 40201.6 parts, modified β-cyclodextrin 8 copies;

[0023] Wherein, the average particle diamete...

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Abstract

The invention discloses a silicone rubber cable sheath material with high flame resistance. The silicone rubber cable sheath material comprises the following raw materials: silicone rubber, MQ silicon resin, Ethylene Propylene Diene Monomer, butadiene rubber, zinc oxide, stearic acid, 2,4-dichlorobenzoyl peroxide, trimethylolpropane trimethacrylate, benzyl triphenyl phosphorus chloride, bisphenol AF, alumina silicate fiber, ferric oxide, nano titanium dioxide, magnesium hydroxide modified by stearic acid, ammonium polyphosphate, aluminum nitride, nanometer silicon carbide, epoxidized soybean oil, dibutyl phthalate, trioctyl trimellitate, an accelerator, an anti-aging agent and modified beta-cyclodextrin. The silicone rubber cable sheath material has the advantages of high strength and good heat resistance and flame resistance.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a high flame-retardant silicone rubber cable sheath material. Background technique [0002] Silicone rubber is a kind of cross-linkable and curable polymer elastomer with Si-O bond as the main chain and organic groups (such as methyl, vinyl, phenyl, etc.) connected to Si atoms as side chains. Because silicone rubber has excellent high and low temperature resistance and anti-aging properties, it can be used for a long time in a wide temperature range (-50 ° C ~ 200 ° C), and has been widely used in electronics, machinery, automobiles, chemicals, aviation, It is widely used in aerospace, shipbuilding and other fields, and it is also a commonly used material in the cable field. However, silicone rubber itself will continue to burn when exposed to open flames, and the cables made of it have unsatisfactory flame retardancy, which limits its application in various fields of th...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L23/16C08L9/00C08L5/16C08K13/06C08K9/04C08K3/22C08K5/09C08K7/10C08K5/12C08B37/16H01B3/28H01B7/18H01B7/295
CPCC08L83/04C08B37/0012C08K2201/003C08K2201/011C08L2201/02C08L2201/08C08L2203/202C08L2205/025C08L2205/035H01B3/28H01B7/18H01B7/295C08L23/16C08L9/00C08L5/16C08K13/06C08K9/04C08K2003/2224C08K2003/2241C08K5/09C08K7/10C08K5/12
Inventor 李正祥赵欣泰张玉湘张永刚吴月林
Owner ANHUI LAND GRP
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