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Graphene modified cable material for high-voltage direct current cable and preparation method thereof

A graphene modification, high-voltage DC technology, applied in circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problems of poor mechanical properties of cable materials, easy dielectric breakdown, and poor filler dispersion, etc. It is suitable for large-scale promotion, improving coating efficiency and good adhesion.

Active Publication Date: 2018-05-08
江苏多上新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Due to the space charge effect, the currently widely used high-voltage DC cable materials have problems such as easy breakdown of the medium, rapid development and aging of material electrical branches, and the traditional treatment method is to add graphene or other inorganic materials for filling modification. , the poor dispersion of fillers leads to poor mechanical properties of cable materials. The present invention proposes a graphene-modified cable material for high-voltage DC cables and a preparation method thereof, thereby effectively improving the dispersibility of graphene in polyethylene cable materials. The resulting space Strong charge effect suppression ability, good mechanical properties, and good economic effect

Method used

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  • Graphene modified cable material for high-voltage direct current cable and preparation method thereof
  • Graphene modified cable material for high-voltage direct current cable and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The parts by weight of the raw materials of the graphene modified cable material are:

[0039]0.3 parts of magnetic particles, 0.6 parts of gelatin, 6 parts of graphene micropowder, 4 parts of hyperbranched silicone urethane acrylate prepolymer, 0.7 parts of surfactant, 1 part of acetic acid solution, 3 parts of isopropanol, 0.7 parts of glutaraldehyde aqueous solution 1 part, 1 part of flame retardant, 0.7 part of stabilizer, 82 parts of matrix resin;

[0040] The magnetic particles are ferric oxide particles; the surfactant is Tween 20; the mass concentration of the acetic acid solution is 5%; the mass concentration of the glutaraldehyde aqueous solution is 25%; the flame retardant is tributyl phosphate; Salt lead sulfate; matrix resin is polyethylene;

[0041] The parts by weight of each component of the hyperbranched silicone urethane acrylate prepolymer are: 6 parts of trimethylolpropane, 14 parts of N,N-dihydroxyethyl-3-aminopropionic acid methyl ester, 10 parts...

Embodiment 2

[0048] The parts by weight of the raw materials of the graphene modified cable material are:

[0049] 0.2 parts of magnetic particles, 0.4 parts of gelatin, 5 parts of graphene micropowder, 3 parts of hyperbranched silicone polyurethane acrylate prepolymer, 0.8 parts of surfactant, 2 parts of acetic acid solution, 2 parts of isopropanol, 0.6 parts of glutaraldehyde aqueous solution 1 part, 2 parts of flame retardant, 1 part of stabilizer, 83 parts of matrix resin;

[0050] The magnetic particles are ferric oxide particles; the surfactant is Tween 40; the mass concentration of the acetic acid solution is 4%; the mass concentration of the glutaraldehyde aqueous solution is 20%; the flame retardant is toluene-diphenyl phosphate; the stabilizer It is lead stearate; the matrix resin is polyvinyl chloride;

[0051] The parts by weight of each component of the hyperbranched silicone urethane acrylate prepolymer are: 4 parts of trimethylolpropane, 12 parts of N,N-dihydroxyethyl-3-ami...

Embodiment 3

[0058] The parts by weight of the raw materials of the graphene modified cable material are:

[0059] 0.5 parts of magnetic particles, 0.8 parts of gelatin, 7 parts of graphene micropowder, 5 parts of hyperbranched silicone urethane acrylate prepolymer, 0.5 parts of surfactant, 1 part of acetic acid solution, 4 parts of isopropanol, 0.6 parts of glutaraldehyde aqueous solution part, 2 parts of flame retardant, 0.6 part of stabilizer, 78 parts of matrix resin;

[0060] The magnetic particles are ferric oxide particles; the surfactant is Tween 60; the mass concentration of acetic acid solution is 6%; the mass concentration of glutaraldehyde aqueous solution is 30%; the flame retardant is chlordane anhydride; the stabilizer is trisalt base lead salicylate; base resin is polypropylene;

[0061] The parts by weight of each component of the hyperbranched silicone urethane acrylate prepolymer are: 8 parts of trimethylolpropane, 14 parts of N,N-dihydroxyethyl-3-aminopropionic acid me...

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Abstract

The invention provides a graphene modified cable material for a high-voltage direct current cable and a preparation method thereof. Gelatin is added into acetic acid for ultrasonic dispersion; after isopropanol and graphene are added, ultrasonic dispersion is continuously performed; through magnetic separation, ethanol washing and drying, magnetic gelatin particles are prepared; the gelatin particles and hyperbranched organosilicone polyurethane acrylic ester prepolymers are mixed and are subjected to ultraviolet lamp radiation; graphene micro powder subjected to coating treatment is obtained;the graphene micro powder, matrix resin, a flame retardant and a stabilizing agent are subjected to blending granulation to obtain the graphene modified cable material. The method has the advantagesthat through magnetic gelatin micro particle adsorption and hyperbranched prepolymer coating on graphene, a modified polyvinyl chloride cable is prepared; the dispersibility of the graphene in the matrix resin is good; the mechanical performance of the cable material is effectively improved; meanwhile, the space charge inhibiting capability is high; the whole preparation process is very simple; the operation and the control are easy; the application prospects are good; the method is suitable for scale popularization.

Description

technical field [0001] The invention relates to the field of modification of cable materials, in particular to the modification of cable materials by adding graphene, in particular to a graphene-modified cable material for high-voltage DC cables and a preparation method thereof. Background technique [0002] The century-old development history of power transmission technology mainly relies on continuously increasing the voltage level to increase the transmission capacity and transmission distance of the line. The traditional AC power system can transmit power to users very conveniently, but it is gradually eliminated due to shortcomings such as high loss and high cost. With the increasing shortage of power resources and the trend of large-scale development of green energy around the world, direct current transmission can connect wind power, tidal power, solar power and other unstable power sources with the power system without affecting the power quality of the grid Therefo...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L27/06C08L23/12C08L77/00C08K9/10C08K9/12C08K3/04H01B3/44
CPCC08K3/04C08K9/10C08K9/12C08L2203/202H01B3/441C08L23/06C08L27/06C08L23/12C08L77/00
Inventor 陈庆昝航
Owner 江苏多上新材料科技有限公司
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