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A method for preparing a new type of cable

A new type of cable technology, applied in the field of cable materials and cable materials with composite protective layers, can solve the problems of insufficient resistance performance and insufficient design of cable materials, achieve strong temperature effects, ensure application safety, and prevent defects. produced effect

Active Publication Date: 2019-06-28
JIANGSU DONGFANG CABLE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the insufficient design of cable materials in the prior art and the lack of resistance to extreme harsh environments, and to provide a new type of cable

Method used

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  • A method for preparing a new type of cable
  • A method for preparing a new type of cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A new type of cable, including a pure copper conductive core, a first insulating layer, a second insulating layer, an elastic layer and a sheath. The thickness ratio of each layer is 13:3:18:3:6. The first insulating layer is made of a polymer material mixture with the following composition by weight: polypropylene: epoxy resin: polyamide: phenolic resin = 3:1:1:1. The second insulating layer is made of a polymer material mixture of the following components: polyethylene, polypropylene and monosilane, and the weight ratio of polyethylene is 5:5:0.01. The elastic layer is made of polyvinyl chloride and polyurethane mixture, the ratio of the two is 2:9, the porosity of the elastic layer is 7.6v%, and the diameter of the cavity is 3-5μm. The shell is made of polyvinyl chloride.

Embodiment 2

[0042] The new cable consists of a pure copper conductive core, a first insulating layer, a second insulating layer, an elastic layer and a shell. The thickness ratio of each layer is 14:2:18:4:7. The first insulating layer is made of the following polymer material mixture in parts by weight: 8 parts of polypropylene, 2 parts of epoxy resin, 1 part of polyamide, and 0.5 part of polyester. The second insulating layer is made of the following polymer raw material mixture in parts by weight: 10 parts of polyethylene, 10 parts of polypropylene, 0.5 part of polyvinyl chloride and 0.05 part of disilane. The elastic layer is made of polyvinyl chloride and polyurethane mixture, the ratio of the two is 1:6, the porosity of the elastic layer is 4.5v%, and the diameter of the cavity is 2-4μm. The shell layer is made of raw material mixture of polyvinyl chloride and polyethylene in a ratio of 1:1 by weight.

Embodiment 3

[0044] A new type of cable, including a pure copper conductive core, a first insulating layer, a second insulating layer, an elastic layer and a sheath. The thickness ratio of each layer is 12:2:15:4:7. The first insulating layer is made of a polymer material mixture with the following components: polypropylene: epoxy resin, phenolic resin = 4:2:1. The second insulating layer is made of a polymer material mixture of the following composition: polyethylene:polypropylene = 1:1 mixture as a base material, with the addition of 0.4% monosilane (relative to the second insulating layer mixture). The elastic layer is made of polyvinyl chloride and polyurethane mixture, the ratio of the two is 2:7, the porosity of the elastic layer is 6.9v%, and the diameter of the cavity is 1-3μm. The shell is made of polyvinyl chloride.

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Abstract

The invention discloses a novel cable which includes a conductive core, a first insulating layer, a second insulating layer, an elastic layer and a shell layer. The conductive core is made of copper with purity above 99%. The thickness ratio of the layers is 12-14:2-4:15-18:2-4:6-7. The first insulating layer is made of a polymer material mixture composed of one or more of the following materials:polypropylene, epoxy resin, polyamide, polyester and phenolic resin. The first insulating layer is made of a polymer material mixture composed of one or more of the following materials: polyethylene,polypropylene, polyvinyl chloride and organic silane. The elastic layer is made of a mixture of polyvinyl chloride and polyurethane at a ratio of 1-2:6-9. The porosity of the elastic layer is 4-8v%,and the hole diameter is 1-5 microns. The shell layer is made of polyvinyl chloride and / or polyethylene. The cable material of the invention adopts a novel multilayer structure. The structure of eachlayer has unique enhancement property. The insulation layer of the cable does not peel off. The insulation layer and the conductive core fit closely. The cable is safe and reliable.

Description

technical field [0001] The invention relates to a cable material, which belongs to the field of power transmission, in particular to a cable material with a composite protective layer. Background technique [0002] A cable refers to a rope-like cable that is articulated by several wires or groups of wires. Each group of wires is insulated from each other, and multiple layers of insulation or functional layers are wrapped around the wires. With the rapid economic development, the application environment of cables has been greatly expanded, beyond the scope of application of general existing cables. Therefore, according to different application environments, the performance that the cable needs to provide will vary, and a special optimization design is required for a specific use environment to achieve the performance of the cable that meets the requirements of the expected application environment. [0003] For cables used for power transmission, due to the substantial increa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B9/00H01B7/02H01B7/18H01B7/295H01B13/00H01B13/14H01B13/24
Inventor 曹华
Owner JIANGSU DONGFANG CABLE MATERIAL
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