Low-temperature-resistant modified polyethylene cable sheath material

A technology of cable sheath material and low-density polyethylene, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of poor chemical stability, life and property safety, short service life, etc., and achieve good processing performance and mechanical properties, The effect of broad market application prospects and long service life

Inactive Publication Date: 2014-04-16
ANHUI TELI CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of the economy, the places where cables need to be used have become diversified, and there are more stringent and diverse requirements for the performance indicators of cable sheath materials, such as insulation, tensile strength, service temperature, flame retardant performance and other indicators There are strict requirements, and continuous improvement of the performance of sheath materials is an urgent need for economic and social

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0009] The present embodiment comprises the following raw materials in parts by weight: low density polyethylene 38, polyvinyl acetate 8, poly-1-butene 23, slag powder 8, zeolite powder 15, magnesium carbonate 5, 3-aminopropyltrimethoxysilane 4 , accelerator TETD 2, accelerator CBS 1.5, silane coupling agent KH550 2, 2-mercaptobenzimidazole 2, nano silicon dioxide 8, rapeseed oil 15, accelerator TMTD 1.5, tributyl citrate 16 , Auxiliary 15.

[0010] The additive contains the following raw materials in parts by weight: 24 parts by weight of lapis lazuli, 24 clays, 4 hexamethylene diisocyanate, 5 tripropylene glycol diacrylate, 6 sodium tripolyphosphate, 5 polytetrafluoroethylene, silane Coupling agent KH-550 3, zinc oxide 10, accelerator TMTD 2, zinc stearate 2, 2,6-di-tert-butyl p-cresol 2, pepper seed oil 2; the preparation method is to put lapis lazuli and clay Calcined in a calciner at 570°C for 4 hours, cooled, crushed into 100 mesh, soaked in 15% hydrochloric acid soluti...

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PUM

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Abstract

The invention relates to a cable material, in particular to a low-temperature-resistant modified polyethylene cable sheath material. The material contains the following raw materials by weight: 34-38 parts of low-density polyethylene, 5-8 parts of polyvinyl acetate, 20-23 parts of poly(1-butene), 6-8 parts of slag powder, 10-15 parts of zeolite powder, 4-5 parts of magnesium carbonate, 3-4 parts of 3-aminopropyltrimethoxysilane, 1-2 parts of accelerant TETD (Tetraethylthiuram Disulfide), 0.5-1.5 parts of accelerant CBS (N-Cyclohexyl-2-Benzothiazole Sulfonamide), 1-2 parts of silane coupling agent KH550, 1-2 parts of benzo[d]imidazole-2-thiol, 6-9 parts of nanometer silicon dioxide, 12-15 parts of rapeseed oil, 1.3-1.7 parts of accelerant TMTD (Tetramethylthiuram Disulfide), 13-17 parts of tributyl citrate and 14-16 parts of auxiliaries. The advantages of the raw materials, such as the low-density polyethylene, the poly(1-butene) and the polyvinyl acetate are combined by the insulating material. The prepared material has the characteristics of flexibility, wear resistance, low-temperature crack resistance, chemical corrosion resistance, great insulating properties and safety and reliability in use, can be widely used for manufacturing various cable sheath insulating materials, and has a wide market demand prospect.

Description

technical field [0001] The invention relates to a cable material, in particular to a low temperature resistant modified polyethylene cable sheath material and a preparation method thereof. Background technique [0002] With the development of the economy, the places where cables need to be used have become diversified, and there are more stringent and diverse requirements for the performance indicators of cable sheath materials, such as insulation, tensile strength, service temperature, flame retardant performance and other indicators There are strict requirements, and continuous improvement of the performance of sheath materials is an urgent need for economic and social development. Traditional sheath materials often have poor flame retardancy, poor chemical stability, high temperature deformation, poor mechanical properties, and short service life. And other problems, bring a lot of inconvenience to the actual use, and even threaten people's life and property safety, there...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08L23/20C08K13/06C08K9/00C08K9/02C08K3/30C08K3/34C08K5/103C08K3/22C08K3/32C08K5/29H01B7/28
CPCC08L23/06C08L2203/202C08L2205/035C08L2207/066H01B3/441H01B7/17H01B7/28C08L31/04C08L23/20C08L27/18C08K13/06C08K9/00C08K9/02C08K2003/3045C08K3/346C08K5/103C08K2003/2296C08K2003/324
Inventor 叶朝根姚伟
Owner ANHUI TELI CABLE
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