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Chemically crosslinked elastomeric cable material for high-voltage lines of new energy vehicles capable of long-term use at 175°C, preparation method thereof, and cable

A new energy vehicle and chemical cross-linking technology is applied in the field of elastomer cable material for high voltage lines of new energy vehicles and its preparation, which can solve the problem that the resistance level cannot meet the higher requirements.

Active Publication Date: 2021-03-02
上海至正新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional cable materials for automotive wires are mostly PVC and low-smoke halogen-free polyolefin-based materials, and the resistance level cannot meet higher requirements. Therefore, it is imperative to modify the current high-voltage wire materials in the car.

Method used

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  • Chemically crosslinked elastomeric cable material for high-voltage lines of new energy vehicles capable of long-term use at 175°C, preparation method thereof, and cable
  • Chemically crosslinked elastomeric cable material for high-voltage lines of new energy vehicles capable of long-term use at 175°C, preparation method thereof, and cable
  • Chemically crosslinked elastomeric cable material for high-voltage lines of new energy vehicles capable of long-term use at 175°C, preparation method thereof, and cable

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0058] The present invention also provides a method for preparing the chemically crosslinked elastic cable material for high-voltage lines of new energy vehicles that can be used for a long time at 175°C according to the present invention. The preparation method includes the following steps:

[0059] 1) First weigh a certain amount of white carbon black and structural control agent in equal proportions according to the formula, and mix them in a high-mixing pot for 3-5 minutes; add other components except the vulcanizing agent, and then mix them for 3-5 minutes .

[0060] 2) After the mixed material is meshed to 120 degrees with the internal mixer, the mixed material is added to the twin-screw extruder for granulation. The temperature of each section of the twin-screw extruder is: 90 ° C ~ 100℃, 100℃~110℃, 110℃~120℃, 120℃~130℃, 130℃~135℃, 135℃~145℃, the head temperature of the twin-screw extruder is 145℃~155℃, the host The speed is 30-50 rpm, and the feeding speed is 35-45 rp...

Embodiment 1

[0073] Each component name and each component parts by weight of embodiment 1 formula are as shown in table 1:

[0074] Table 1

[0075]

[0076] The preparation method is as follows:

[0077] First, weigh a certain amount of white carbon black and structural control agent in equal proportions according to the formula, and mix them in a high-mixing pot for 3-5 minutes; then add other components except the vulcanizing agent, and mix them for another 3-5 minutes.

[0078] After the mixed material is meshed with a mixer to 120 degrees, the mixed material is added to the twin-screw extruder for granulation. The temperature of each section of the twin-screw extruder is: 90 ° C ~ 100 ° C , 100°C~110°C, 110°C~120°C, 120°C~130°C, 130°C~135°C, 135°C~145°C, the head temperature of the twin-screw extruder is 145°C~155°C, the main engine speed is 30-50 rev / min, feeding speed is 35-45 rev / min.

[0079] Use a vacuum suction machine to suck the extruded particles into the vacuum drum, ...

Embodiment 2

[0083] Each component name and each component parts by weight of embodiment 2 formula are as shown in table 2:

[0084] Table 2

[0085]

[0086] The preparation method of the above-mentioned cable material is the same as that of Example 1.

[0087] The product in Example 2 is subjected to a performance detection test, and each performance value is as shown in Table 7 of the performance example.

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Abstract

The invention discloses an elastomer cable material which is applied to a chemical cross-linked new-energy-vehicle high-voltage wire at 175 DEG C and a preparation method and cable of the elastomer cable material. The cable material comprises the following components of: ethylene-acrylate copolymer, silicone rubber, fluorine rubber, compatilizer, white carbon black, a constitution controller, flame retardant, a stabilizer, an antioxidant, a cross-linking agent, a vulcanizing agent and the like. After chemical cross-linking is conducted, the electric wire and cable products which are made of the cable material have the advantages of high physical and mechanical properties, good electric insulation performance, chemical solvent resistance, flame retardant, high temperature resistance and thelike, and can be widely applied to high-voltage connecting cables in electric vehicles and other new energy fields.

Description

technical field [0001] The invention belongs to the field of low-smoke, halogen-free and flame-retardant cable materials, and in particular relates to a chemically cross-linked elastomer cable material for high-voltage lines of new energy vehicles capable of long-term use at 175°C, a preparation method and a cable. Background technique [0002] In recent years, under the stimulation of favorable policies such as new energy vehicle subsidies and charging pile subsidies, the new energy vehicle industry has ushered in an explosive period. And the corresponding high-performance electric and hybrid electric vehicle in-vehicle high-voltage charging cables are becoming a new cable variety with huge market potential. [0003] In-vehicle cables for new energy vehicles are placed in a limited space in the car and exposed to vibration and chemical media. Therefore, it is necessary to meet the following properties: flame retardancy, wear resistance, heat resistance and oil resistance, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/07C08L23/08C08L51/00C08L27/18C08K13/06C08K9/04C08K3/36C08K3/22C08K5/134H01B3/28H01B3/44
CPCC08K2003/2224C08K2003/2296C08K2201/006C08L23/0869C08L83/04C08L2201/02C08L2201/08C08L2203/202C08L2205/025C08L2205/035H01B3/28H01B3/441C08L51/003C08L27/18C08K13/06C08K9/04C08K3/36C08K3/22C08K5/1345C08K9/08
Inventor 刘飞伟宋刚付正义
Owner 上海至正新材料有限公司