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Heating cable with high weather resistance

A heating cable, high weather resistance technology, applied in the field of cables, can solve the problems of slow production extrusion speed, poor weather resistance, poor oil resistance of heating cables, etc., to improve structural strength, high and low temperature oil resistance, and ensure reliable use Effect

Inactive Publication Date: 2018-05-15
曹结宾
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, chloroprene rubber has good flame retardancy, but the highest temperature resistance is only 90°C, the production extrusion speed is slow, and scorching often occurs, and the price is high; chlorosulfonated polyethylene has the characteristics of flame retardancy and high temperature resistance , the maximum operating temperature can reach 105°C, but its price is very high, and the extrusion speed is relatively slow
Because the main chain of chlorinated polyethylene rubber contains chlorine, it has good flame retardancy, high temperature and low temperature resistance, the maximum use temperature can reach 105 ℃, and the mixing and extrusion speed is fast High benefit, but poor oil resistance when used alone
Therefore, the poor weather resistance of heating cables in the prior art limits its use in extreme environments

Method used

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  • Heating cable with high weather resistance

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A heating cable with high weather resistance, including a cable core wire twisted by a plurality of copper core conductors, and a heat-conducting insulating layer and a sheath wrapped outside the cable core wire from the inside to the outside, and the heat-conducting insulating layer includes Thermally conductive insulating inner layer and thermally conductive insulating outer layer;

[0034] The diameter of the cable core wire is 20mm, the thickness of the thermally conductive insulating inner layer is 0.5mm, the thickness of the thermally conductive insulating outer layer is 0.5mm, and the thickness of the sheath is 4mm;

[0035] The sheath comprises the following materials in parts by weight:

[0036] Chlorinated polyethylene rubber 90 parts

[0037] 12 parts of nitrile rubber

[0038] Silica (particle size: 0.5μm) 10 parts

[0039] 3 parts ceramic fiber

[0040] Carbon fiber 3 parts

[0041] KH-550 silane coupling agent 8 parts

[0042] Antioxidant 1010 0.3 pa...

Embodiment 2

[0058] A heating cable with high weather resistance, including a cable core wire twisted by a plurality of copper core conductors, and a heat-conducting insulating layer and a sheath wrapped outside the cable core wire from the inside to the outside, and the heat-conducting insulating layer includes The diameter of the cable core wire in the thermally conductive insulating inner layer and the thermally conductive insulating outer layer is 20mm, the thickness of the thermally conductive insulating inner layer is 0.5mm, the thickness of the thermally conductive insulating outer layer is 0.5mm, and the thickness of the sheath is 4mm;

[0059] The sheath comprises the following materials in parts by weight:

[0060] Chlorinated polyethylene rubber 80 parts

[0061] 8 parts of nitrile rubber

[0062] Titanium dioxide (0.4μm particle size) 5 parts

[0063] 1 part ceramic fiber

[0064] Carbon fiber 1 part

[0065] KH-550 silane coupling agent 6 parts

[0066] Antioxidant 1010 0...

Embodiment 3

[0082] A heating cable with high weather resistance, including a cable core wire twisted by a plurality of copper core conductors, and a heat-conducting insulating layer and a sheath wrapped outside the cable core wire from the inside to the outside, and the heat-conducting insulating layer includes The diameter of the cable core wire in the thermally conductive insulating inner layer and the thermally conductive insulating outer layer is 20mm, the thickness of the thermally conductive insulating inner layer is 0.5mm, the thickness of the thermally conductive insulating outer layer is 0.5mm, and the thickness of the sheath is 4mm;

[0083] The sheath comprises the following materials in parts by weight:

[0084] Chlorinated polyethylene rubber 100 parts

[0085] 15 parts of nitrile rubber

[0086] Calcium carbonate (0.8μm particle size) 15 parts

[0087] Ceramic fiber 5 parts

[0088] carbon fiber 5 parts

[0089] KH-550 silane coupling agent 10 parts

[0090] Antioxidant...

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Abstract

The invention relates to the technical field of cables, in particular to a heating cable with high weather resistance. The heating cable comprises cable core wires, heat conduction insulation layers and sheaths. The heat conduction insulation layers and the sheaths are sequentially coated outside the cable core wires from the inside to the outside; the heat conduction insulation layers comprise heat conduction insulation inner layers and heat conduction insulation outer layers; the sheaths comprise 80-100 parts of chlorinated polyethylene rubber, 8-15 parts of nitrile rubber, 5-15 parts of inorganic reinforcing fillers, 1-5 parts of ceramic fibers, 1-5 parts of carbon fibers, 6-10 parts of silane coupling agents, 0.01-0.5 part of antioxidants, 0.1-1 part of ultraviolet absorbents and 0.03-0.8 part of hydrolysis-resistant agents. The heating cable has the advantages that blending modification is carried out on the chlorinated polyethylene rubber and the nitrile rubber in the sheaths, accordingly, the heating cable is temperature-resistant, flame-retardant, high-low-temperature-resistant and oil-resistant, and the structural strength of the heating cable can be improved; the heatingcable with the heat conduction insulation inner layers is impact-resistant and accordingly can be assuredly reliably used in extreme environments.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a heating cable with high weather resistance. Background technique [0002] Heating cable is a special form of heating appliance, which can be made into different heating devices according to the special needs of industry, agriculture and construction. The application of heating cables is various, for example: oil extraction, oil transportation and oil refining in the petroleum industry and many chemical plants require various heating cables; the most important thing in agriculture is heating cables for greenhouse cultivation; buildings include heating (such as villas) , Anti-ice and snow (such as airport runways) and heat preservation (such as garages), etc. It can be seen that heating cables can be widely used in various occasions. [0003] In the prior art, the cable materials with the characteristics of high temperature resistance, cold resistance, oil resistance and high fla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/28C08L9/02C08K13/04C08K7/06C08K7/04C08K3/36C08K5/134C08L63/00C08L83/04C08K9/06C08K3/04C08K7/14C08K3/34C08K3/22C08K3/28C08K3/38H05B3/56H05B3/18
CPCC08K3/22C08K3/28C08K3/34C08K3/36C08K3/38C08K7/14C08K2003/222C08K2003/2227C08K2003/282C08K2003/385C08K2201/003C08K2201/004C08K2201/014C08L23/286C08L63/00C08L2201/02C08L2201/08C08L2203/20C08L2205/03H05B3/18H05B3/56H05B2203/017C08L9/02C08K13/04C08K7/06C08K7/04C08K5/1345C08L83/04C08K9/06C08K3/04
Inventor 曹结宾
Owner 曹结宾
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