Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Crosslinkable polyethylene insulation material for high voltage direct current cable and preparation method thereof

A cross-linked polyethylene, high-voltage DC technology, applied in the field of cable materials, can solve the problems of short service life and poor oxidation resistance, and achieve the effects of increasing service life, delaying aging and degradation, and reducing the rate of auto-oxidative reaction.

Inactive Publication Date: 2019-01-15
WUHU YUANKUI NEW MATERIAL TECH CO LTD
View PDF6 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a cross-linkable polyethylene insulating material for high-voltage DC cables and a preparation method thereof, which solves the problems of poor oxidation resistance and short service life of the existing cross-linkable polyethylene insulating material

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Crosslinkable polyethylene insulation material for high voltage direct current cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A cross-linkable polyethylene insulating material for high-voltage DC cables, comprising 80 parts of low-density polyethylene, 20 parts of polyphenylene ether resin, 3 parts of ethyl methacrylate, 3 parts of crosslinking agent, and composite anti- 1 part of oxygen agent, 1 part of nano-carbon material, the composite antioxidant includes 75 parts of antioxidant 300, 15 parts of antioxidant 1010, 3 parts of VE, 2 parts of guaiac resin, 10 parts of white carbon black .

[0017] Low-density polyethylene adopts NA207-66 of Taiwan Polymer Chemicals Co., Ltd.

[0018] The nano carbon material is carbon black.

[0019] The crosslinking agent is dicumyl peroxide.

[0020] Its preparation method comprises the following steps:

[0021] (1) Put low-density polyethylene, polyphenylene ether resin, ethyl methacrylate, cross-linking agent, composite antioxidant and nano-carbon material into the mixer in sequence and knead at a mixing temperature of 50°C and a rotation speed of 300r...

Embodiment 2

[0024] A cross-linkable polyethylene insulating material for high-voltage DC cables, comprising 90 parts of low-density polyethylene, 15 parts of polyphenylene ether resin, 4 parts of ethyl methacrylate, 3 parts of crosslinking agent, and composite anti- 2 parts of oxygen agent, 2 parts of nano-carbon material, the composite antioxidant includes 75 parts of antioxidant 300, 15 parts of antioxidant 1010, 3 parts of VE, 2 parts of guaiac resin, 10 parts of white carbon black .

[0025] Low-density polyethylene adopts NA207-66 of Taiwan Polymer Chemicals Co., Ltd.

[0026] Nano carbon material is graphene.

[0027] The crosslinking agent is dicumyl peroxide.

[0028] Its preparation method comprises the following steps:

[0029] (1) Put low-density polyethylene, polyphenylene ether resin, ethyl methacrylate, cross-linking agent, composite antioxidant and nano-carbon material into the mixer in sequence and knead at 40°C and at a speed of 400r / min, mixing time 18min;

[0030]...

Embodiment 3

[0032] A cross-linkable polyethylene insulating material for high-voltage DC cables, comprising 100 parts of low-density polyethylene, 10 parts of polyphenylene ether resin, 5 parts of ethyl methacrylate, 2 parts of crosslinking agent, and composite anti- 2 parts of oxygen agent, 3 parts of nano-carbon material, the composite antioxidant includes 75 parts of antioxidant 300, 15 parts of antioxidant 1010, 3 parts of VE, 2 parts of guaiac resin, 10 parts of white carbon black in parts by weight .

[0033] Low-density polyethylene adopts NA207-66 of Taiwan Polymer Chemicals Co., Ltd.

[0034] The nano carbon material is nano graphite.

[0035] The crosslinking agent is dicumyl peroxide.

[0036] Its preparation method comprises the following steps:

[0037] (1) Put low-density polyethylene, polyphenylene ether resin, ethyl methacrylate, cross-linking agent, composite antioxidant and nano-carbon material into the mixer in sequence and knead them. The mixing temperature is 30°C ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a crosslinkable polyethylene insulation material for a high-voltage direct current cable and a preparation method thereof, the crosslinkable polyethylene insulation material comprises, by weight, 80-100 parts of low-density polyethylene, 10-20 parts of polyphenylene ether resin, 3-5 parts of ethyl methacrylate, 2-3 parts of a cross-linking agent, 1-2 parts of a composite antioxidant and 1-3 parts of a nano-carbon material, and the composite antioxidant includes, by weight, 75 parts of antioxidant 300, 15 parts of antioxidant 1010, 3 parts of VE, 2 parts of guaiac resinand 10 parts of white carbon black. The crosslinkable polyethylene insulation material can prevent or slow down the oxidation of organic materials, not only effectively reduces the auto-oxidation reaction rate of plastic, but also delays the aging and degradation of the plastic, effectively improves the service life of the product, and at the same time improves the mechanical and electrical properties of the product.

Description

technical field [0001] The invention relates to a cross-linkable polyethylene insulating material for high-voltage DC cables and a preparation method thereof, belonging to the field of cable materials. Background technique [0002] High-voltage DC cable lines have the advantages of low loss, large transmission capacity, unlimited transmission distance, high operational stability, and can be connected to asynchronous power grids, etc., and their applications are increasingly valued. With the increasingly mature flexible DC power transmission technology, XLPE insulated high-voltage DC cables not only continue to maintain an absolute advantage in connecting the mainland power grid across the wide strait, but also contribute to the asynchronous grid land interconnection, power supply expansion in large cities, isolated load power transmission, Expand the application of renewable energy power generation and transmission. As the key equipment in the DC transmission system, the ma...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08L23/06C08L71/12C08K5/375C08K3/04
CPCC08K2201/011C08L23/06C08L2201/08C08L2203/20C08L2207/066C08L71/12C08K5/375C08K3/04C08K3/042
Inventor 郭元章波
Owner WUHU YUANKUI NEW MATERIAL TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com