Cable protective sleeve

A cable protection and ultraviolet technology, applied in the direction of rubber insulators, organic insulators, etc., can solve the problems that the cable sheath material is not resistant to high temperature, the waterproofness is not ideal, and the cable cannot be protected, and achieves excellent mechanical properties, good water resistance, Easy-to-use effects

Inactive Publication Date: 2019-07-30
国网河南省电力公司镇平县供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cable sheath material is not resistant to high temperature, and the material is not very waterproof, poor water permeability, easy to deform and break, and cannot effectively protect the cable

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment provides a cable protective cover, which is made from the parts by weight of the raw materials described in Table 1. Wherein, the flame retardant is decabromodiphenylethane, the vulcanizing agent is N-nitroso diphenylamine, the ultraviolet absorber is ultraviolet absorber UV-O, and the waterproof agent is polyether binary alcohol, the vulcanization assistant is 2-mercaptobenzothiazole, and the heat-resistant additive is the brand of Dr. Lan, and the model is LBS-CeVR.

Embodiment 2

[0024] This embodiment provides a cable protective cover, which is made from the parts by weight of the raw materials described in Table 1. Wherein, the flame retardant is decabromodiphenyl ether, the vulcanizing agent is tetramethylthiuram disulfide, the ultraviolet absorber is ultraviolet absorber UV-P, the waterproofing agent is asphalt, and the asphalt For emulsified asphalt, the vulcanization aid is 2,2'-dithiodibenzothiazole, and the heat-resistant additive is the brand of Dr. Lan, and the model is LBS-CeVR.

Embodiment 3

[0026] This embodiment provides a cable protective cover, which is made from the parts by weight of the raw materials described in Table 1. Wherein, the flame retardant is decabromodiphenyl ether, the vulcanizing agent is N-nitroso diphenylamine, the ultraviolet absorber is ultraviolet absorber UV-P, and the waterproof agent is polyether glycol , the vulcanization aid is 2-mercaptobenzothiazole, and the heat-resistant additive is the brand of Dr. Lan, and the model is LBS-CeVR.

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Abstract

The invention discloses a cable protective sleeve, and belongs to the technical field of cable materials. The cable protective sleeve is prepared from, by weight, 40-50 parts of EPDM rubber, 30-38 parts of acrylate rubber, 12-15 parts of fluorinated silicone rubber, 3-5 parts of a flame retardant, 6-10 parts of a vulcanizing agent, 1-3 parts of an ultraviolet absorber, 1-3 parts of a water repellent, 5-10 parts of a vulcanization aid and 2-4 parts of a heat resistant additive. Compared with a traditional cable protective sleeve and a preparation process thereof, the cable protective sleeve hasthe advantages that the steps are simple, the operation is convenient, the performance is stable, and good comprehensive performance is exhibited: the oxygen index of the material reaches 52 or above, the elongation at break at normal temperature reaches 698% or above, the tensile strength reaches 35.4Mpa or above, and at 200 DEG C, the elongation at break reaches 472% or above, and the tensile strength reaches 24.3 MPa or above, that is to say, in a high temperature environment, the mechanical properties are excellent, and the high temperature resistance is good; through a water resistance test, no water penetration point exists, good water resistance is shown, and the service life of the cable can be prolonged.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a cable protective sleeve. Background technique [0002] A cable is made of one or more mutually insulated conductors covered with an insulating layer and a protective layer. It is used to transmit power or information from one place to another. It has a wide range of applications in the fields of power transmission and information transmission. . With the development of my country's economy, various wires and cables are widely used in communication technology, radio and television, railway transportation, petrochemical, construction and other fields, and have become one of the essential components. However, with the increase of application fields, there are higher requirements for the performance of the cable, and the performance of the protective sleeve directly affects the service life of the cable. At present, commonly used protective sleeves are susceptible to mois...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L51/04C08L33/04C08L83/08C08K13/02C08K5/03C08K5/06C08K5/00C08K3/014C08K5/47H01B3/28
CPCC08L23/16C08L51/003C08L51/04C08L2201/02C08L2201/08C08L2203/20C08L2205/035H01B3/28C08L33/04C08L83/08C08K13/02C08K5/03C08K5/005C08K3/014C08K5/47C08K5/06
Inventor 王英泉唐松林雷轩程传良
Owner 国网河南省电力公司镇平县供电公司
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