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A radiation-resistant halogen-free high flame-retardant EVA wire and cable and its preparation method

A wire and cable radiation-resistant technology, applied in the field of wire and cable and its preparation, can solve the problems of material performance degradation and achieve excellent flame retardancy

Active Publication Date: 2016-08-24
珠海思科信电线电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Ordinary halogen-free flame-retardant cable materials will crack after being irradiated by high doses, resulting in a serious decline in material performance. Therefore, it is necessary to improve the radiation resistance of wire and cable materials

Method used

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  • A radiation-resistant halogen-free high flame-retardant EVA wire and cable and its preparation method

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Experimental program
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Effect test

Embodiment 1

[0080]A radiation-resistant, halogen-free, highly flame-retardant EVA wire and cable, comprising three conductors 1, a shielding layer 2 is provided on the outside of the conductors 1, and a radiation-resistant and flame-retardant EVA insulating layer 3 is provided on the outside of the shielding layer 2. The radiation-resistant flame-retardant EVA insulation layer 3 is provided with a refractory layer 4 outside, and the refractory layer 4 is a mica layer, and the refractory layer 4 is provided with a high-temperature resistant layer 5 outside, and the high-temperature resistant layer 5 is polyimide layer, the conductor 1 is filled with a flame-retardant glass fiber filling rope 6, the entire conductor 1 and the flame-retardant glass fiber filling rope 6 are provided with a flame-retardant tape 7 outside, and the conductor 1 and the shielding layer coated on the outside 2. The radiation-resistant and flame-retardant EVA insulating layer 3, the fire-resistant layer 4, and the hi...

Embodiment 2

[0112] A radiation-resistant, halogen-free, highly flame-retardant EVA wire and cable, comprising three conductors 1, a shielding layer 2 is provided on the outside of the conductors 1, and a radiation-resistant and flame-retardant EVA insulating layer 3 is provided on the outside of the shielding layer 2. The radiation-resistant flame-retardant EVA insulation layer 3 is provided with a refractory layer 4 outside, and the refractory layer 4 is a mica layer, and the refractory layer 4 is provided with a high-temperature resistant layer 5 outside, and the high-temperature resistant layer 5 is polyimide layer, the conductor 1 is filled with a flame-retardant glass fiber filling rope 6, the entire conductor 1 and the flame-retardant glass fiber filling rope 6 are provided with a flame-retardant tape 7 outside, and the conductor 1 and the shielding layer coated on the outside 2. The radiation-resistant and flame-retardant EVA insulating layer 3, the fire-resistant layer 4, and the h...

Embodiment 3

[0144]A radiation-resistant, halogen-free, highly flame-retardant EVA wire and cable, comprising three conductors 1, a shielding layer 2 is provided on the outside of the conductors 1, and a radiation-resistant and flame-retardant EVA insulating layer 3 is provided on the outside of the shielding layer 2. The radiation-resistant flame-retardant EVA insulation layer 3 is provided with a refractory layer 4 outside, and the refractory layer 4 is a mica layer, and the refractory layer 4 is provided with a high-temperature resistant layer 5 outside, and the high-temperature resistant layer 5 is polyimide layer, the conductor 1 is filled with a flame-retardant glass fiber filling rope 6, the entire conductor 1 and the flame-retardant glass fiber filling rope 6 are provided with a flame-retardant tape 7 outside, and the conductor 1 and the shielding layer coated on the outside 2. The radiation-resistant and flame-retardant EVA insulating layer 3, the fire-resistant layer 4, and the hi...

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Abstract

The invention provides a radiation-resistant halogen-free high flame-retardant EVA wire and cable, which includes a conductor, a shielding layer is provided outside the conductor, a radiation-resistant and flame-retardant EVA insulating layer is provided outside the shielding layer, and a radiation-resistant and flame-retardant EVA insulating layer is provided. There is a fire-resistant layer on the outside, and a high-temperature-resistant layer on the outside of the fire-resistant layer. Fire-retardant glass fiber filling ropes are filled between the conductors. Radiation-resistant and flame-retardant EVA layer, the inner radiation-resistant and flame-retardant EVA layer is equipped with an armored layer outside, and the outer armored layer is equipped with an outer radiation-resistant and flame-retardant EVA layer, and the outer radiation-resistant and flame-retardant EVA layer is equipped with waterproof The anti-corrosion layer is provided with a wear-resistant layer outside the waterproof and anti-corrosion layer, and the outer part of the wear-resistant layer is coated with a radiation-resistant layer. The invention also provides a preparation method of the electric wire and cable. The wire and cable of the present invention are provided with multiple radiation-resistant layers and flame-retardant layers, making the invention a radiation-resistant, halogen-free, highly flame-retardant EVA wire and cable.

Description

technical field [0001] The invention relates to a wire and cable and a preparation method thereof, in particular to a radiation-resistant halogen-free high flame-retardant EVA wire and cable and a preparation method thereof. Background technique [0002] Wire and cable is a wire product used to transmit electric (magnetic) energy, information and realize electromagnetic energy conversion. As the main carrier of power transmission, wire and cable are widely used in electrical equipment, lighting circuits, household appliances, etc. The quality of wire and cable directly affects the quality of the project and the safety of consumers' lives and property. Although the wire and cable industry is only a supporting industry, it accounts for 1 / 4 of the output value of China's electrical industry. It has a wide variety of products and a wide range of applications, involving industries such as electric power, construction, communications, and manufacturing, and is closely related to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/17H01B7/295C08L23/08C08L23/16C08K13/02C08K3/22C08K3/02C08K3/34C08K3/04C08K3/32C08K5/053
Inventor 王东兴
Owner 珠海思科信电线电缆有限公司
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