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Anti-icing outer sheath for cable and preparation method thereof

An outer sheath and anti-icing technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of poor low temperature resistance, general hydrophobicity and elasticity, and poor toughness of cable insulation, so as to achieve good cold resistance and anti-icing performance. Excellent icing effect and good cold resistance

Active Publication Date: 2020-09-18
国网河南省电力公司新野县供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the patented cable insulation is made of nitrile rubber, which has poor low temperature resistance, general hydrophobicity and elasticity, and the obtained cable insulation has poor toughness.

Method used

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  • Anti-icing outer sheath for cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An outer sheath of an ice-coated cable, made of the following raw materials in parts by weight: 30 parts of fluorosilicone resin, 20 parts of vinyl chloride-acrylate copolymer, 5 parts of butadiene rubber, 5 parts of polyimide fiber, 2 parts of stearic acid, 5 parts of magnesium hydroxide, modified Co 3 o 4 5 parts, 2 parts of liquid coumarone, 1 part of anti-aging agent, 0.5 part of silane coupling agent and 1 part of accelerator.

[0021] The modified Co 3 o 4 The preparation method comprises the following steps:

[0022] Cobalt subcarbonate 2CoCO 3 3Co(OH) 2 ·H 2 O was calcined in a muffle furnace at 490 °C for 3 h and cooled to room temperature to obtain Co 3 o 4 film, then soaked in 0.5wt% stearic acid absolute ethanol solution for 2h, removed, and finally dried in an oven at 60°C for 24h to obtain the modified Co 3 o 4 .

[0023] Described anti-aging agent is anti-aging agent 4010NA.

[0024] The silane coupling agent is vinyltriethoxysilane.

[0025...

Embodiment 2

[0030] An anti-icing cable outer sheath, made of the following raw materials in parts by weight: 32 parts of fluorosilicone resin, 24 parts of vinyl chloride-acrylate copolymer, 8 parts of butadiene rubber, 7 parts of polyimide fiber, 3 parts of stearic acid, 6 parts of magnesium hydroxide, modified Co 3 o 4 6 parts, 2.5 parts of liquid coumarone, 1.2 parts of anti-aging agent, 0.6 parts of silane coupling agent and 1.5 parts of accelerator.

[0031] The modified Co 3 o 4 The preparation method comprises the following steps:

[0032] Cobalt subcarbonate 2CoCO 3 3Co(OH) 2 ·H 2 O was calcined in a muffle furnace at 450 °C for 2 h and cooled to room temperature to obtain Co 3 o 4 film, then soaked in 1wt% stearic acid absolute ethanol solution for 2h, removed, and finally dried in an oven at 70°C for 12h to obtain the modified Co 3 o 4 .

[0033] The anti-aging agent is anti-aging agent RD.

[0034] The silane coupling agent is methacryloxypropyltrimethoxysilane.

...

Embodiment 3

[0038] An anti-icing cable outer sheath, made of the following raw materials in parts by weight: 34 parts of fluorosilicone resin, 25 parts of vinyl chloride-acrylate copolymer, 10 parts of butadiene rubber, 8 parts of polyimide fiber, 2.4 parts of stearic acid, 7.5 parts of magnesium hydroxide, modified Co 3 o 4 7 parts, 3 parts of liquid coumarone, 1.5 parts of anti-aging agent, 1 part of silane coupling agent and 2 parts of accelerator.

[0039] The modified Co 3 o 4 The preparation method comprises the following steps:

[0040] Cobalt subcarbonate 2CoCO 3 3Co(OH) 2 ·H 2 O was calcined in a muffle furnace at 450 °C for 3 h and cooled to room temperature to obtain Co 3 o4 film, then soaked in 1wt% stearic acid absolute ethanol solution for 1h, removed, and finally dried in an oven at 80°C for 24h to obtain the modified Co 3 o 4 .

[0041] The anti-aging agent is anti-aging agent MB.

[0042] The silane coupling agent is aminopropyltriethoxysilane.

[0043] The ac...

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Abstract

The invention discloses an anti-icing outer sheath for a cable and a preparation method thereof. The anti-icing outer sheath for the cable is prepared from the following raw materials in parts by weight: 30-40 parts of fluorosilicone resin, 20-30 parts of a vinyl chloride-acrylate copolymer, 5-12 parts of butadiene rubber, 5-10 parts of polyimide fibers, 2-4 parts of stearic acid, 5-10 parts of magnesium hydroxide, 5-10 parts of modified Co3O4, 2-5 parts of liquid coumarone, 1-2 parts of an anti-aging agent, 0.5-2 parts of a silane coupling agent and 1-3 parts of an accelerant. The anti-icingouter sheath for the cable is excellent in hydrophobic performance, high in strength, good in toughness and excellent in anti-icing effect.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to an outer sheath of an ice-coated cable and a preparation method thereof. Background technique [0002] When overhead cables encounter heavy snowfall and freezing rain, frost, ice and icicles will form on the surface, and even thicker ice jackets will be formed, which increases the weight of the cable itself, often causing insulator flashover, line dancing, and collapse. Major accidents such as poles (towers) and line interruptions have seriously endangered the safety of the power grid. Therefore, in order to prevent the surface of the cable from icing in ice, snow and freezing rain, it is of great significance to develop an anti-icing cable outer sheath material. [0003] The Chinese patent with the notification number CN105390189B discloses an anti-icing cable, which includes a core, a shielding layer and an anti-icing layer arranged sequentially from the inside to the outside. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/08C08L27/06C08L9/00C08L79/08C08K13/06C08K9/04C08K3/22C08K5/5425C08K5/47C08K5/544C08K5/5435C08K5/40H01B3/46H01B7/17H01B7/28
CPCC08L83/08H01B3/46H01B7/17H01B7/28C08L2203/202C08L2205/035C08L2205/16C08K2003/2289C08L27/06C08L9/00C08L79/08C08K13/06C08K9/04C08K3/22C08K5/5425C08K5/47C08K5/544C08K5/5435C08K5/40
Inventor 高博张娟吴永黄婵白超飞郝东瑞鲁帅征丁雨江映宇
Owner 国网河南省电力公司新野县供电公司
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