Insulating plastic material for aerospace cable

A technology of insulating plastics and aerospace, applied in the direction of rubber insulators, organic insulators, building insulation materials, etc., can solve problems such as unsatisfactory requirements, and achieve the effects of improving physical and mechanical properties, good flame retardancy, and low production costs

Inactive Publication Date: 2017-05-31
合肥红蔻健康管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing cables can no longer meet the requirements for cable materials in the aerospace field

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An insulating plastic material for aerospace cables, comprising the following raw materials in parts by weight: 18 parts of thermoplastic polyurethane elastomer rubber, 23 parts of polyvinyl chloride, 12 parts of thermoplastic polyimide, 2 parts of 2-pentylcyclopentanone, 1 part of tantalum pentoxide, 5 parts of aluminum silicate fiber, 3 parts of AG-80 epoxy resin, 5 parts of trimethylsulfonium bromide, 0.8 parts of chitin, 2 parts of basic magnesium carbonate, 5 parts of soapstone, asphalt 2 parts, 12 parts of eggshell powder, 6 parts of modified kaolin, 0.3 part of antioxidant. The antioxidant is antioxidant 626. The preparation method of the modified kaolin is as follows: kaolin and magnesium sulfate are stirred and mixed at room temperature for 10 minutes according to the mass ratio of 7:1, then placed in a crucible, calcined at 285°C for 0.5h, and then cooled to 105°C Calcined for 0.8h; and finally ground to obtain powder, namely modified kaolin.

[0018] A meth...

Embodiment 2

[0021] An insulating plastic material for aerospace cables, comprising the following raw materials in parts by weight: 46 parts of thermoplastic polyurethane elastomer rubber, 39 parts of polyvinyl chloride, 30 parts of thermoplastic polyimide, 6 parts of 2-pentylcyclopentanone, 4 parts of tantalum pentoxide, 9 parts of aluminum silicate fiber, 8 parts of AG-80 epoxy resin, 11 parts of trimethylsulfonium bromide, 5 parts of chitin, 5 parts of basic magnesium carbonate, 11 parts of soapstone, asphalt 4 parts, 16 parts of eggshell powder, 10 parts of modified kaolin, 0.5 part of antioxidant. The antioxidant is antioxidant 626. The preparation method of the modified kaolin is as follows: kaolin and magnesium sulfate are stirred and mixed at room temperature for 15 minutes according to the mass ratio of 7:1, then placed in a crucible, calcined at 650 ° C for 1 h, and then cooled to 135 ° C for calcination 1.2h; finally grind to obtain powder, that is, modified kaolin.

[0022] A...

Embodiment 3

[0025] An insulating plastic material for aerospace cables, comprising the following raw materials in parts by weight: 36 parts of thermoplastic polyurethane elastomer rubber, 25 parts of polyvinyl chloride, 19 parts of thermoplastic polyimide, 5 parts of 2-pentylcyclopentanone, 3.2 parts of tantalum pentoxide, 7 parts of aluminum silicate fiber, 5 parts of AG-80 epoxy resin, 8 parts of trimethylsulfonium bromide, 2 parts of chitin, 4.6 parts of basic magnesium carbonate, 10 parts of soapstone, asphalt 3.9 parts, 15 parts of eggshell powder, 8 parts of modified kaolin, 0.32 parts of antioxidant. The antioxidant is antioxidant 626. The preparation method of the modified kaolin is as follows: kaolin and magnesium sulfate are stirred and mixed at room temperature for 12 minutes according to the mass ratio of 7:1, then placed in a crucible, calcined at 450°C for 0.8h, and then cooled to 105-135°C Calcining at high temperature for 1 hour; finally grinding to obtain powder, that is...

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PUM

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Abstract

The invention discloses an insulating plastic material for an aerospace cable. The material comprises the following raw materials in parts by weight: 18-46 parts of thermoplastic polyurethane elastomer rubber, 23-39 parts of polyvinyl chloride, 12-30 parts of thermoplastic polyimide, 2-6 parts of 2-pentylcyclopentanone, 1-4 parts of tantalum pentoxide, 5-9 parts of aluminum silicate fibers, 3-8 parts of AG-80 epoxy resin, 5-11 parts of trimethylsulfonium bromide, 0.8-5 parts of chitin, 2-5 parts of basic magnesium carbonate, 5-11 parts of soap stones, 2-4 parts of asphalt, 12-16 parts of egg shell powder, 6-10 parts of modified kaolin and 0.3-0.5 part of an antioxidant. The insulating plastic material for the aerospace cable, disclosed by the invention, exerts a synergistic effect by compounding the raw materials and has the advantages of high-temperature and low-temperature resistance, oil resistance, good flame resistance and high strength; the raw materials of the insulating plastic material for the aerospace cable are easily available, the preparation method is simple, the preparation steps are few, and the production cost is low; and the tensile strength and elongation at break of the material are increased, and physical and mechanical properties are improved.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to an insulating plastic material for aerospace cables. Background technique [0002] With the substantial development of the aerospace field of various countries in the world, especially the rapid development of my country's aerospace field, in order to meet this special field (especially the rapid development of manned spaceflight), the requirements for the wires and cables required for it are also increasing. , especially the development of lunar exploration technology, the technical requirements for the wires and cables connected to the instruments and meters that need to be used are more stringent, and their performance requirements are more prominent. Existing cables can no longer meet the requirements for cable materials in the aerospace field. Therefore, the present invention provides an insulating plastic material for aerospace cables with high and low temperature resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L75/04C08L79/08C08L5/08C08L95/00C08L63/00C08K13/06C08K9/02C08K3/34C08K5/526C08K7/10H01B3/28H01B3/44B29C47/92B29C48/92
CPCC08L27/06B29C48/92B29C2948/9259B29C2948/92704C08L75/04C08L2201/02C08L2201/08C08L2203/202C08L2205/035C08L2207/04H01B3/28H01B3/443C08L79/08C08L5/08C08L95/00C08L63/00C08K13/06C08K9/02C08K3/346C08K5/526C08K7/10
Inventor 不公告发明人
Owner 合肥红蔻健康管理有限公司
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