Preparation method of high-performance fluoride rubber/silicone rubber cable sheath material

A cable sheath and silicone rubber technology, applied in the direction of insulating cables, rubber insulators, cables, etc., can solve the problem of limited high and low temperature environment tolerance, poor aging resistance, and unsatisfactory high and low temperature resistance of cable sheaths, etc. Problems, achieve excellent heat resistance, overcome low temperature resistance and poor processability, and increase density

Inactive Publication Date: 2016-07-27
ANHUI HUAYU CABLE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the defects of the existing rubber materials, such as unsatisfactory high and low temperature resistance and poor aging resistance, the existing cable sheath has limited tolerance to high and low temperature environments, which cannot fully meet the actual needs and needs to be modified.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The preparation method of a kind of high-performance fluorine rubber / silicone rubber cable sheath material that the present invention proposes comprises the following steps:

[0024] S1, by weight 100 parts of fluororubber, 50 parts of silicone rubber, 15 parts of epoxy acrylate rubber, 20 parts of hydrogenated nitrile rubber, 2 parts of maleic anhydride grafted polyethylene and 12 parts of silicone rubber grafted methacrylic acid -2,2,2-Trifluoroethyl ester was added to a double-roller mill for mixing, and a mixed rubber was obtained after debinding, wherein the mixing temperature was 35°C and the mixing time was 15 minutes;

[0025] S2. Set the temperature of the kneader to 55°C, add 100 parts of primary rubber by weight, then add 20 parts of carbon nanotubes, 2 parts of stearic acid modified diatomite, 15 parts of calcium silicate, 5 parts 1 part of polyaniline nanofiber, 10 parts of sepiolite fiber and 1 part of calcium hydroxide were mixed for 5 minutes, and then 1...

Embodiment 2

[0028] The preparation method of a kind of high-performance fluorine rubber / silicone rubber cable sheath material that the present invention proposes comprises the following steps:

[0029] S1, by weight, 100 parts of fluororubber, 35 parts of silicone rubber, 30 parts of epoxy acrylate rubber, 10 parts of hydrogenated nitrile rubber, 5 parts of maleic anhydride grafted polyethylene and 3 parts of silicone rubber grafted methacrylic acid -2,2,2-Trifluoroethyl ester was added to a double-roller mill for mixing, and a mixed rubber was obtained after debinding, wherein the mixing temperature was 45°C, and the mixing time was 5 minutes;

[0030] S2. Set the temperature of the kneading machine to 65°C, add 100 parts of primary rubber by weight, and then add 5 parts of carbon nanotubes, 15 parts of stearic acid modified diatomite, 5 parts of calcium silicate, 20 Parts of polyaniline nanofibers, 2 parts of sepiolite fibers and 8 parts of calcium hydroxide were mixed for 1 min, then 5...

Embodiment 3

[0033] The preparation method of a kind of high-performance fluorine rubber / silicone rubber cable sheath material that the present invention proposes comprises the following steps:

[0034] S1, by weight 100 parts of fluororubber, 46 parts of silicone rubber, 21 parts of epoxy acrylate rubber, 18 parts of hydrogenated nitrile rubber, 3 parts of maleic anhydride grafted polyethylene and 11 parts of silicone rubber grafted methacrylic acid -2,2,2-Trifluoroethyl ester is added to the double-roller open mill for mixing, and a mixed rubber is obtained after debinding. The mixing temperature is 33°C, and the mixing time is 13 minutes. The double-roller The roller distance of the mill is 3.5mm;

[0035] S2. Set the temperature of the kneader to 60°C, add 100 parts by weight of the primary mixing rubber parked at room temperature for 24 hours, then add 16 parts of carbon nanotubes, 6 parts of stearic acid modified diatomite, 13 Parts of calcium silicate, 7 parts of polyaniline nanofi...

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PUM

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Abstract

The invention discloses a preparation method of a high-performance fluoride rubber / silicone rubber cable sheath material. The preparation method comprises the following steps of performing primary mixing on fluoride rubber, silicone rubber, epoxy acrylate elastomer, hydrogenated butadiene-acrylonitrile rubber, maleic anhydride grafted polyethylene and methyl vinyl silicone rubber grafted methacrylic acid-2,2,2-trifluoroethyl to obtain a primary rubber compound; adding carbon nanotubes, stearic acid modified diatomite, calcium silicate, polyaniline nanofibers, sepiolite fibers and calcium hydroxide, and mixing for 1 to 5 minutes; adding 2,6-di-tert-butyl paraaminophenol, 2,5-di-tert-butylhydroquinone, nitrosodiphenylamine, butylmercaptooxo stannane, 5,5'- dimethyl-5,10-dihydracridine, and mixing for 3 to 8 minutes; adding stearic acid, inositol hexaphosphate, epoxidized linseed oil, active magnesium oxide, bisphenol AF, benzyl triphenyl phosphorus chloride, N,N'-meta phenylene bismaleimide, phenolic resin and an accelerator, mixing for 5 to 10 minutes and then vulcanizing for two times.

Description

technical field [0001] The invention relates to the technical field of cable material preparation technology, in particular to a preparation method of a high-performance fluororubber / silicone rubber cable sheath material. Background technique [0002] The rubber sheath is an important material in the cable, and its performance has a crucial influence on the properties of the cable. Due to the defects of the existing rubber materials, such as unsatisfactory high and low temperature resistance and poor aging resistance, the existing cable sheath has limited tolerance to high and low temperature environments, which cannot fully meet the actual needs and needs to be modified. . Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a preparation method of a high-performance fluororubber / silicone rubber cable sheath material. The process is simple, the conditions are mild, and the high-performanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L83/04C08L15/00C08L51/06C08L51/08C08L63/10C08L79/02C08L61/06C08K13/06C08K9/04C08K3/34C08K7/24C08K7/08C08K5/18C08K5/58C08K5/3437C08K3/22H01B3/28H01B7/17B29B7/72B29C35/02
CPCC08L27/12B29B7/007B29B7/726B29C35/02C08K2201/011C08K2201/014C08L2201/08C08L2203/202C08L2205/035C08L2205/08C08L2205/16H01B3/28H01B7/18C08L83/04C08L15/005C08L51/06C08L51/08C08L63/10C08L79/02C08L61/06C08K13/06C08K9/04C08K3/34C08K7/24C08K7/08C08K2003/2206C08K5/18C08K5/58C08K5/3437C08K2003/222
Inventor 张传明王社峰王岳嵩叶宇宋渊盛招军盛茂肖文
Owner ANHUI HUAYU CABLE GRP
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