Cable sheath

A cable sheathing and blending technology, applied in the field of polymer plastics, can solve the problem of large heat shrinkage of the sheath, and achieve the effect of enhancing heat resistance.

Inactive Publication Date: 2016-06-01
LIUZHOU CITY QIANYANG MACHINERY & ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a cable sheath, which can solve the problem of large thermal shrinkage of the sheath

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] This cable sheath is made of the following raw materials in parts by weight: 50 parts of cross-linked polyethylene, 5 parts of plasticizer, 6 parts of lead-free stabilizer, 12 parts of antioxidant, 8 parts of blending improver, 20 parts of glass fiber 15 parts of polyether ether ketone; 10 parts of polyether sulfone, 8 parts of carbon fiber, wherein the blending improver is nitrile rubber.

Embodiment 2

[0012] This cable sheath is made of the following raw materials by weight: 60 parts of cross-linked polyethylene, 7 parts of plasticizer, 8 parts of lead-free stabilizer, 14 parts of antioxidant, total 10 parts of modifier, 23 parts of glass fiber, 20 parts of polyether ether ketone, 12 parts of polyether sulfone, 11 parts of carbon fiber, wherein the blending modifier is nitrile rubber.

Embodiment 3

[0014] This cable sheath is made of the following raw materials in parts by weight: 70 parts of cross-linked polyethylene, 9 parts of plasticizer, 10 parts of lead-free stabilizer, 15 parts of antioxidant, 12 parts of blending improver, 25 parts of glass fiber Parts, 25 parts of polyetheretherketone; 15 parts of polyethersulfone, 15 parts of carbon fiber, wherein the blending improver is nitrile rubber.

[0015] The cable sheath made of the raw materials in the above parts by weight was taken out with a length of 35 cm for high-temperature aging test. The aging conditions were: temperature: 140°C, aging time: 4 hours, cooling time: 1 hour; after the first aging, the protective The length of the sleeve is: 35.1 cm;

[0016] After the second aging, the length of the sheath is: 35.0 cm;

[0017] After the third aging, the length of the sheath is: 35.05 cm;

[0018] After the fourth aging, the length of the sheath is: 35.0 cm;

[0019] The fifth aging, the length of the sheath:...

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PUM

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Abstract

The invention discloses a cable sheath and relates to the technical field of high molecular plastic. The cable sheath comprises, by weight, 50-70 parts of crosslinked polyethylene, 5-9 parts of plasticizer, 6-10 parts of lead-free stabilizer, 12-15 parts of antioxidant, 8-12 parts of blending modifier, 20-25 parts of glass fiber, 15-25 parts of polyether-ether-ketone and 10-15 parts of polyether sulfone. Compared with the prior art, the cable sheath has the advantage that thermal shrinkage degree of the cable sheath can be lowered.

Description

technical field [0001] The invention relates to the technical field of polymer plastics, in particular to a cable sheath. Background technique [0002] The high-voltage cables of 35KV and below are composed of cable core and sheath. At present, the sheath is mainly made of PVC material. When the ambient temperature is high, the PVC material sheath will have a relatively large shrinkage; the following experiment is designed for the PVC material sheath The thermal shrinkage rate is verified: take the sheath of PVC material with an original length of 35.2 cm for high temperature aging, the aging conditions are: temperature: 140 ° C, aging time: 4 hours, cooling time: 1 hour; after the first aging, The length of the sheath is: 33.2 cm; after the second aging, the length of the sheath is: 33.1 cm; after the third aging, the length of the sheath is: 33.0 cm; after the fourth aging, the length of the sheath is : 33.1 cm; the fifth aging, the length of the sheath is: 33.0 cm; accor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L61/16C08L81/06C08L9/02C08K13/04C08K7/14C08K7/06H01B3/44H01B7/29
CPCC08L23/06C08L2201/08C08L2203/202C08L2205/035H01B3/441H01B7/292C08L61/16C08L81/06C08L9/02C08K13/04C08K7/14C08K7/06
Inventor 谭晓云
Owner LIUZHOU CITY QIANYANG MACHINERY & ELECTRIC
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