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Flexible high-temperature-resistant transmission signal cable and preparation method thereof

A technology for signal transmission and high temperature resistance, which is applied in the field of soft high temperature resistant transmission signal cables and their preparation, which can solve the problems of poor flexibility and high temperature resistance of cable protective sleeves, and achieve the effects of improving filling performance, increasing strength, and increasing layer spacing

Inactive Publication Date: 2021-11-12
趵突泉电缆集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a flexible high-temperature-resistant transmission signal cable and its preparation method, which solves the problem of poor flexibility and high-temperature resistance of the cable protective sheath in the related art

Method used

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  • Flexible high-temperature-resistant transmission signal cable and preparation method thereof
  • Flexible high-temperature-resistant transmission signal cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A flexible high-temperature-resistant transmission signal cable, comprising a central conductor and a protective sheath wrapped around the central conductor, the protective sheath comprising the following components in parts by weight: 50 parts of nitrile rubber, 28 parts of fluorosilicone rubber, 3 parts of benzoyl peroxide 40 parts of polyvinyl butyral, 5 parts of coumarone resin, 12 parts of modified vermiculite, 15 parts of antimony oxide, 0.8 parts of cyanosilicone oil, 2 parts of ultraviolet absorber UV-P, 4 parts of heat stabilizer , 12 parts of glass fiber.

[0023] Among them, the heat stabilizer is p-polyisobutylene phenol and p-phenylenediamine, and the mass ratio is 1:8. The modified vermiculite is prepared by the following method: Calcining the vermiculite at a controlled temperature of 1020-1050°C and cooling it to room temperature, adding 0.1 Stir with mol / L hydrofluoric acid, the mass ratio of hydrofluoric acid to vermiculite is 4:1, wash until neutral, ...

Embodiment 2

[0026] A flexible high-temperature-resistant transmission signal cable, comprising a central conductor and a protective sheath wrapped around the central conductor, the protective sheath comprising the following components in parts by weight: 40 parts of nitrile rubber, 30 parts of fluorosilicone rubber, 4 parts of benzoyl peroxide 35 parts of polyvinyl butyral, 8 parts of coumarone resin, 15 parts of modified vermiculite, 10 parts of aluminum hydroxide, 0.5 parts of cyanosilicone oil, 3 parts of ultraviolet absorber UV-O, 6 parts of heat stabilizer parts, glass fiber 14 parts.

[0027] Wherein, wherein, the heat stabilizer is p-polyisobutylene phenol and p-phenylenediamine, and the mass ratio is 1:10, and the modified vermiculite is prepared by the following method: after the vermiculite is calcined at a controlled temperature of 1050-1100°C, it is cooled to room temperature, Add 0.1mol / L hydrofluoric acid and stir, the mass ratio of hydrofluoric acid to vermiculite is 4:1, w...

Embodiment 3

[0030] A flexible high-temperature-resistant transmission signal cable, comprising a central conductor and a protective sheath wrapped around the central conductor, the protective sheath comprising the following components in parts by weight: 60 parts of nitrile rubber, 25 parts of fluorosilicone rubber, 2 parts of benzoyl peroxide 45 parts of polyvinyl butyral, 3 parts of coumarone resin, 10 parts of modified vermiculite, 20 parts of ammonium polyphosphate, 0.5 parts of silicone oil containing cyanide, 3 parts of ultraviolet absorber UV-O, heat stabilizer 3 parts, 8 parts of glass fiber.

[0031] Wherein, wherein, the heat stabilizer is p-polyisobutylene phenol and p-phenylenediamine, the mass ratio is 1:5, and the modified vermiculite is prepared by the following method: the vermiculite is calcined at a controlled temperature of 1000-1040°C and cooled to room temperature, Add 0.1mol / L hydrofluoric acid and stir, the mass ratio of hydrofluoric acid to vermiculite is 3:1, wash...

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Abstract

The invention relates to the technical field of cable materials, and provides a flexible high-temperature-resistant transmission signal cable. The cable comprises a center conductor and a protective sleeve wrapping the center conductor. The protective sleeve comprises the following components in parts by weight: 40-60 parts of nitrile rubber, 25-30 parts of fluorinated silicone rubber, 2-4 parts of benzoyl peroxide, 35-45 parts of polyvinyl butyral, 3-8 parts of coumarone indene resin, 10-15 parts of modified vermiculite, 10-20 parts of a flame retardant, 0.5-1 part of cyanogen-containing silicone oil, 1-3 parts of an ultraviolet light absorber, 3-6 parts of a heat stabilizer and 8-14 parts of glass fibers. The invention further provides a preparation method of the flexible high-temperature-resistant transmission signal cable. According to the technical scheme, the problem that a cable protection sleeve is poorer in flexibility and high temperature resistance is solved.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a soft, high-temperature-resistant transmission signal cable and a preparation method thereof. Background technique [0002] With the rapid development of my country's economy, it provides a huge market prospect for the development of the cable industry. At present, the cable industry is one of the largest industries in my country. And with the continuous development of my country's electric power, communications, rail transit and other industries, there will be more demand for cables. [0003] For cables, in addition to the central conductor, the protective sheath also plays a vital role in the performance of the cable. Because the working temperature of the transmission signal cable is high, if the temperature resistance of the protective cover is not good, it will become hotter and hotter if it cannot be used for a long time, and even cause safety problems such as fir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L83/08C08L23/20C08L29/14C08K5/18C08K9/02C08K7/26
CPCC08L9/02C08L2205/035C08L2203/202C08L2201/08C08L83/08C08L23/20C08L29/14C08K5/18C08K9/02C08K7/26
Inventor 孙冬辉
Owner 趵突泉电缆集团有限公司
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