Electric wire cable used for aerospace and preparation method thereof

An aerospace, wire and cable technology, applied to rubber insulators, organic insulators, etc., can solve the problems of long preparation time, uneven performance of rubber products, uneven mixing, etc., to reduce the risk of raw material aging, high promotion and application value, The effect of increasing the production efficiency

Inactive Publication Date: 2018-07-13
WUHU HANGTIAN SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the addition of a large amount of additives and fillers during the preparation process, the sticky roll phenomenon occurs during the preparation process, and the sticky roll further leads to uneven mixing and uneven performance of rubber products. In addition, the preparation process requires multiple Cleaning the sticky rollers will lead to a long preparation time, and the extension of the mixing time will further cause the aging of the rubber raw materials, increasing the risk of the strength and performance of the prepared rubber products decreasing
However, if the addition of fillers is greatly reduced, although the sticking phenomenon will be reduced, the performance of the rubber will be reduced, which does not meet the requirements of rubber for ignition engines, such as high temperature resistance and high strength.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0014] The invention provides a method for preparing wires and cables for aerospace, including the steps of assembling an inner conductor, an insulating layer, an outer conductor layer, a water blocking layer and a sheath sequentially from the inside to the outside, wherein the sheath The preparation method comprises the following steps: (1) mixing ceramic fibers with a silane coupling agent to obtain a pretreatment reinforcing agent; (2) mixing polyvinyl acetate, a first solvent, fluororubber, carbon black, a pretreatment reinforcing agent, Zinc, molybdenum series catalyst and anti-aging agent carry out banburying once, then leave standstill; (3) add the second solvent, white carbon black and vulcanizing agent in the first banbury after standing and carry out second banbury; (4) with The total amount of solvent formed by the first solvent and the second solvent is 100%, and the secondary banburying product is flash evaporated to remove 70-90% of the solvent; (5) the flash evap...

preparation example 1

[0043] The ceramic fiber and the silane coupling agent were mixed for 50 minutes at 180°C with a rotation speed of 800rpm, wherein the weight ratio of the ceramic fiber to the silane coupling agent was 1:1, and the silane coupling agent was a mixture of KH550 and KH570, wherein, The weight ratio of KH550 and KH570 is 1:2 to obtain pretreatment enhancer.

preparation example 2

[0045] The ceramic fiber and the silane coupling agent were mixed for 30 minutes at 120°C with a rotation speed of 500rpm, wherein the weight ratio of the ceramic fiber to the silane coupling agent was 1:3, and the silane coupling agent was a mixture of KH550 and KH570, wherein, The weight ratio of KH550 and KH570 is 1:3 to obtain pretreatment enhancer

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PUM

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Abstract

The invention relates to rubber used for cables, and specifically discloses an electric wire cable for aerospace and a preparation method thereof. The preparation method can reduce the phenomenon of roller sticking in the mixing craft process for preparing a sealing jacket, the actual operation time is reduced, the risk of raw material aging can be reduced on the basis of increasing the preparation efficiency, and the obtained composite cable sealing jacket material has the advantages of high temperature resistance and high strength. An inner conductor, an insulating layer, an outer conductorlayer, a waterproof layer and the jacket are assembled from inside to outside in sequence so as to obtain the electric wire cable used for aerospace, the cable has the advantages of high temperature resistance and high strength, and the preparation method is high in operability and obvious in effect and has extremely high popularization and application values.

Description

technical field [0001] The invention relates to cables, in particular to an aerospace wire and cable and a preparation method thereof. Background technique [0002] With the development of science and technology, the improvement of engine performance, the increase of local temperature of the fuselage, and the enhancement of vibration intensity, the requirements for high temperature resistance of cable sealing sheaths are getting higher and higher. [0003] The existing cable sealing sheath not only fails to meet the increasingly stringent electrical safety requirements of today, but also has poor bonding strength with the metal casing, is prone to aging, blistering and delamination, loss of elasticity, and even detachment from the metal casing , In serious cases, it will cause a fire accident, which cannot meet the requirements of long-term safe and effective continuous work. The short service life of the ignition engine cable sealing sheath, poor electrical performance, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L31/04C08K13/06C08K9/06C08K7/04C08K3/04C08K3/22C08K3/36H01B3/28B29B7/02B29B7/00
CPCC08L27/12B29B7/005B29B7/02C08K2003/2296C08L2201/08C08L2203/202H01B3/28C08L31/04C08K13/06C08K9/06C08K7/04C08K3/04C08K3/22C08K3/36
Inventor 赵明哲何源贾倩倩朱桂宝
Owner WUHU HANGTIAN SPECIAL CABLE FACTORY
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