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Composite rubber cable material and preparation method thereof

A technology for compounding rubber and cables, applied in the direction of insulated cables, rubber insulators, cables, etc., can solve the problems of loss of elasticity, unsatisfactory elasticity, and difficulty in cable rotation, and achieve the effect of elasticity, softness and wear resistance.

Inactive Publication Date: 2013-04-24
ANHUI XINKE CABLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the low temperature resistance of NR and NR-SBR rubber meets the actual needs, their elasticity is not ideal, and their wear resistance needs to be improved.
CPE, CR, NBR-PV and other materials are polar polymers, and the secondary valence force between molecules increases rapidly as the temperature drops, and becomes stiff below -25°C, loses elasticity, makes it difficult for the cable to rotate and cracks, and cannot Adapt to the environmental requirements of -35℃ and lower temperature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1～3

[0018] The mass parts of each component of the composite rubber cable material provided in this embodiment are shown in Table 1, and the preparation method is carried out according to the following steps:

[0019] 1. Natural rubber mastication: the temperature of the mastication roller with an open rubber mixer is 40-80°C, or the temperature of an internal mixer is 50-100°C, and the Vickers plasticity of the rubber after mastication is 0.60-0.75;

[0020] 2. Mixing of natural rubber and butadiene rubber after mastication in step (a): open-type rubber mixing process is used for manual continuous packaging, with a roller distance of 0.8-1.2 mm, triangular bagging for 5-8 times, and a temperature of 40-80 °C; Or use the compacting process to mix for 1.5 to 2.0 minutes at a temperature of 50 to 100°C;

[0021] 3. Put 1 / 2 high wear-resistant carbon black, 1 / 2 aerated carbon black and 1 / 2 talcum powder into the product mixed in step (b), then put stearic acid, paraffin, anti-aging a...

specific Embodiment 4

[0026] The mass fraction of butadiene rubber in the rubber cable material provided by this comparative example is 80 parts, and the natural rubber is 20 parts. 3 steps to proceed.

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PUM

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Abstract

The invention discloses a composite rubber cable material and a preparation method thereof. The rubber material is prepared by blending butadiene rubber and natural rubber. Also, components such as high-wear-resistance carbon black, mixed-gas carbon black, talcum powder, paraffin wax, zinc oxide, an antioxidant D, a promoting agent CZ, stearic acid, a vulcanizing agent TMTD, an accelerating agent DM, sulfur, and the like can be added. The composite rubber cable material provided by the invention overcomes defects of non-comprehensive performances of currently commonly used rubber cable materials such as natural rubber (NR), binary composite rubber of natural rubber and styrene-butadiene rubber (NR-SBR), chlorinated polyethylene (CPE), chloroprene rubber (CR), composition of vulcanized nitrile rubber and polyvinyl chloride (NBR-PVC), and the like. The rubber cable material has more comprehensive characteristics such as good elasticity, softness, wear resistance, and the like. The material can adapt to an extreme environment with a temperature of -50 DEG to 65 DEG C. When environmental temperature is continuously reduced, the material will not be substantially hardened, and softness and elasticity are maintained.

Description

technical field [0001] The invention relates to the technical field of cable materials, in particular to a composite rubber cable material and a preparation method thereof. technical background [0002] In the prior art, the rubber used for the sheath of the flexible cable of the wind turbine mainly includes: natural rubber (NR), binary composite rubber of natural rubber and styrene-butadiene rubber (NR-SBR), chlorinated polyethylene (CPE) , neoprene (CR), vulcanized nitrile rubber and polyvinyl chloride compound (NBR-PVC), and some thermoplastic NBR-PVC compounds. Although the low temperature resistance of NR and NR-SBR rubber meets the actual needs, their elasticity is not ideal, and their wear resistance needs to be improved. CPE, CR, NBR-PV and other materials are polar polymers, and the secondary valence force between molecules increases rapidly as the temperature drops, and becomes stiff below -25°C, loses elasticity, makes it difficult for the cable to rotate and cra...

Claims

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Application Information

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IPC IPC(8): C08L9/00C08L7/00H01B3/28H01B7/17C08K13/02C08K3/04C08K3/34C08K3/22C08K5/09C08K3/06B29B7/72B29B7/28
Inventor 巫志束玲谢太阶邵文贞
Owner ANHUI XINKE CABLE GROUP
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