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Irradiation-resistant cable containing nano material

A technology of radiation-resistant cables and nanomaterials, applied in insulated cables, cables, circuits, etc., can solve the problems of material performance degradation and cracking, and achieve the improvement of thermal insulation performance, corrosion resistance, bonding force, and mechanical properties. Effect

Active Publication Date: 2016-02-17
广西宏锐科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A radiation-resistant cable containing nanomaterials, which is prepared by wrapping a copper conductor with an insulating outer layer, and the insulating outer layer is prepared according to the following method:

[0021] Step 1) Weighing the raw materials: take the raw materials according to the weight parts for later use; 1 part of magnesium hydroxide, 1 part of aluminum oxide, 1 part of lithium-based bentonite, 2 parts of attapulgite, 2 parts of light stabilizer, 2 parts of molybdenum disulfide, 3 parts of borax, 5 parts of sodium silicate, 5 parts of nano-silicon carbide, 5 parts of triphenyl phosphate, 6 parts of tri-n-butyl citrate (3-hydroxy-3-carboxyglutaric acid tributyl), polyethylene wax 6 parts, 8 parts of egg shell, 10 parts of brominated polystyrene, 30 parts of chlorinated butyl rubber, 45 parts of EPDM rubber; among them, magnesium hydroxide, aluminum oxide, lithium-based bentonite, molybdenum disulfide and borax The particle size of the nano-silicon car...

Embodiment 2

[0029] A radiation-resistant cable containing nanomaterials, which is prepared by wrapping an aluminum alloy conductor with an insulating outer layer, and the insulating outer layer is prepared according to the following method:

[0030] Step 1) Weighing the raw materials: take the raw materials according to the weight parts for later use; 2 parts of magnesium hydroxide, 2 parts of aluminum oxide, 2 parts of lithium-based bentonite, 3 parts of attapulgite, 3 parts of light stabilizer, 3 parts of molybdenum disulfide, 4 parts of borax, 7 parts of sodium silicate, 7 parts of nano-silicon carbide, 7 parts of triphenyl phosphate, 8 parts of tri-n-butyl citrate (3-hydroxy-3-carboxyglutaric acid tributyl), polyethylene wax 8 parts, 10 parts of egg shell, 12 parts of brominated polystyrene, 40 parts of chlorinated butyl rubber, 55 parts of EPDM rubber; among them, magnesium hydroxide, aluminum oxide, lithium-based bentonite, molybdenum disulfide and borax The particle size is 100 mes...

Embodiment 3

[0038] Performance test of the insulating outer layer of the cable prepared by the process of the present invention:

[0039] 1. Carry out various performance tests for the insulating outer layers of the radiation-resistant cables of Examples 1 and 2 of the present invention, and the specific results are shown in Table 1:

[0040] Table 1

[0041] group Thickness (mm) Volume resistivity×10 -15 (Ω·cm) Oxygen Index(%) Tensile strength (N / mm 2 ) Elongation at break (%) Hardness (A) Example 1 2.0 2.53 34 17.3 377 78 Example 2 2.0 2.57 35 17.6 383 80

[0042] 2. After γ-ray irradiation (radiation dose is 1000kGy), the change of mechanical properties, the results are shown in Table 2:

[0043] Table 2

[0044] group Tensile Strength Retention Rate (%) Elongation retention at break (%) Hardness retention (%) Example 1 96.1 97.4 94.3 Example 2 96.3 97.6 93.9

[0045] Conclusion: The above data show ...

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PUM

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Abstract

The invention belongs to the field of cable materials, and discloses an irradiation-resistant cable containing a nano material. The cable is formed in a manner that an insulating layer wraps an aluminium alloy conductor or a copper conductor. The cable is better in irradiation resistance, and can maintain good insulating properties, mechanical performances, and fireproof performances.

Description

technical field [0001] The invention relates to a radiation-resistant cable containing nanometer materials, which belongs to the field of cable materials. 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 various sectors of the national economy. Wires and cables are also kn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/28H01B7/295
Inventor 李文康孙永波王香朱清杰王兴帅陈蛟
Owner 广西宏锐科技有限公司