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Tensile modified ethylene propylene rubber material for cables, and preparation method of tensile modified ethylene propylene rubber material

An ethylene-propylene rubber and tensile modification technology, applied in rubber insulators, plastic/resin/wax insulators, organic insulators, etc., can solve problems such as insufficient tensile strength, achieve good reinforcement, increase tensile strength, and prepare simple method effect

Inactive Publication Date: 2018-02-09
SICHUAN LIZHI JIUCHUANG INTPROP OPERATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect of insufficient tensile strength of the existing ethylene-propylene rubber material used for cables, and provide a tensile modified ethylene-propylene rubber material for cables and a preparation method thereof; the present invention uses the modified basalt fiber Adding to ethylene-propylene rubber and carrying out cross-linking modification significantly improves the tensile strength of ethylene-propylene rubber and retains good processability. The use of this ethylene-propylene rubber material in cables can significantly increase the resistance of cables pull performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) 23 parts of basalt fibers with a diameter of 0.1 μm and a length of 50 μm are modified with 7 parts of methyl orthosilicate and 7 parts of methanesulfonic acid and dried;

[0029] (2) Coupling the modified basalt fiber with 0.5 parts of vinyl silane coupling agent;

[0030] (3) Mix the coupled basalt fiber with 0.002 parts of graphene, 34 parts of polyethylene with a degree of polymerization of 140, 43 parts of ethylene-propylene rubber with a degree of polymerization of 1600, and 0.2 parts of isocyanate crosslinking agent. Extrude with an extruder to obtain tensile modified ethylene-propylene rubber materials for cables.

Embodiment 2

[0032] (1) 15 parts of basalt fibers with a diameter of 0.5 μm and a length of 180 μm are modified with 5 parts of methyl orthosilicate and 5 parts of methanesulfonic acid and dried;

[0033] (2) Coupling the modified basalt fiber with 0.3 parts of vinyl silane coupling agent;

[0034] (3) Mix the coupled basalt fiber with 0.001 part of graphene, 40 parts of polyethylene with a degree of polymerization of 120, 35 parts of ethylene-propylene rubber with a degree of polymerization of 2000, and 0.1 part of isocyanate crosslinking agent. Extrude with an extruder to obtain tensile modified ethylene-propylene rubber materials for cables.

Embodiment 3

[0036] (1) 30 parts of basalt fibers with a diameter of 0.01 μm and a length of 10 μm are modified with 10 parts of methyl orthosilicate and 10 parts of methanesulfonic acid and dried;

[0037] (2) Coupling the modified basalt fiber with 0.8 parts of vinyl silane coupling agent;

[0038] (3) Mix the coupled basalt fiber with 0.003 parts of graphene, 25 parts of polyethylene with a degree of polymerization of 180, 50 parts of ethylene-propylene rubber with a degree of polymerization of 1200, and 0.3 parts of isocyanate crosslinking agent. Extruding with an extruder to obtain tensile modified ethylene-propylene rubber materials for cables.

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PUM

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Abstract

The invention discloses a tensile modified ethylene-propylene rubber material for cables and a preparation method thereof. The material is prepared from the following raw materials in parts by weight: 15-30 parts of basalt fiber, 0.001-0.003 parts of graphene, 10-30 parts of graphene, 20 parts of modifier, 25-40 parts of polyethylene, 35-50 parts of ethylene-propylene rubber, 0.3-0.8 parts of coupling agent, 0.1-0.3 parts of cross-linking agent; the modified basalt fiber Adding to ethylene-propylene rubber and carrying out cross-linking modification can significantly improve the tensile strength of ethylene-propylene rubber and retain good processability. The ethylene-propylene rubber material can be used in the sheath layer of cables, which can Significantly increases the tensile properties of the cable.

Description

technical field [0001] The invention relates to the field of cable materials, in particular to a tensile modified ethylene-propylene rubber material for cables and a preparation method thereof. Background technique [0002] The cable is made of one or more wires twisted to form a conductor core, and then a corresponding insulating layer is applied to the conductor, and a sealed sheath is formed on the outside. It is mainly composed of a core, an insulating layer, and a shielding layer. and sheath layer. The cable occupies less ground and space; the power supply is safe and reliable, and the possibility of electric shock is small; it is beneficial to improve the power factor of the power system; the operation and maintenance work is simple and convenient; it is beneficial to beautify the city and has many advantages such as confidentiality. It is widely used in life. and all areas of production. The function of the cable sheath layer is to seal and protect the cable from ...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L23/06C08K13/06C08K9/06C08K9/04C08K7/10C08K3/04H01B3/28H01B3/44
CPCC08L23/16C08K2201/003C08K2201/004C08L23/06C08L2203/202H01B3/28H01B3/441C08K13/06C08K9/06C08K9/04C08K7/10C08K3/04
Inventor 舒春柳
Owner SICHUAN LIZHI JIUCHUANG INTPROP OPERATION CO LTD