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Conductive polyethylene material based on nano modification and preparation method thereof

A nano-modification, polyethylene technology, applied in the field of polyethylene materials, can solve the problems of complex processing technology and the electrical conductivity of conductive polyethylene materials cannot meet the actual needs, and achieve the effect of improving the electrical conductivity

Inactive Publication Date: 2020-11-27
卞培培
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nowadays, the conductive properties of conductive polyethylene materials developed on the market cannot meet actual needs, and the processing technology is relatively complicated. Therefore, this application discloses a conductive polyethylene material based on nano-modification and its preparation method to solve the problem. the problem

Method used

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  • Conductive polyethylene material based on nano modification and preparation method thereof
  • Conductive polyethylene material based on nano modification and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A preparation method based on nano-modified conductive polyethylene material, comprising the following steps:

[0039] Step 1: Take the glass fiber, clean it and dry it in vacuum for 20 hours, and then put it in the plasma equipment for plasma pretreatment. The treatment conditions are: vacuum degree 18Pa, power 100W, treatment time 85s, and the working gas is oxygen respectively;

[0040] Step 2: Take the glass fiber treated in step 1, place it in a sputtering chamber, use pure copper and pure silver as sputtering targets, maintain a vacuum degree of 1.0Pa in an argon environment, sputter the surface of the glass fiber and cover forming an alloy layer; the deposition rate of the pure silver target is 1.10nm / s, and the deposition rate of the pure copper target is 0.015nm / s; the glass fiber is rotated during the sputtering process to ensure that the glass fiber surface is evenly coated There is an alloy layer.

[0041] Step 3: Take flake graphite, sodium nitrate and conce...

Embodiment 2

[0049] A preparation method based on nano-modified conductive polyethylene material, comprising the following steps:

[0050] Step 1: Take the glass fiber, clean it and dry it in vacuum for 22 hours, and then put it in the plasma equipment for plasma pretreatment. The treatment conditions are: vacuum degree 19Pa, power 105W, treatment time 88s, and the working gas is oxygen respectively;

[0051] Step 2: Take the glass fiber treated in step 1, place it in a sputtering chamber, use pure copper and pure silver as sputtering targets, maintain a vacuum degree of 1.0Pa in an argon environment, sputter the surface of the glass fiber and cover forming an alloy layer; the deposition rate of the pure silver target is 1.13nm / s, and the deposition rate of the pure copper target is 0.018nm / s; the glass fiber is rotated during the sputtering process to ensure that the surface of the glass fiber is evenly coated There is an alloy layer.

[0052] Step 3: Take flake graphite, sodium nitrate ...

Embodiment 3

[0060] A preparation method based on nano-modified conductive polyethylene material, comprising the following steps:

[0061] Step 1: Take the glass fiber, clean it and dry it in vacuum for 24 hours, and then put it in the plasma equipment for plasma pretreatment. The treatment conditions are: vacuum degree 20Pa, power 110W, treatment time 90s, and the working gas is oxygen respectively;

[0062] Step 2: Take the glass fiber treated in step 1, place it in a sputtering chamber, use pure copper and pure silver as sputtering targets, maintain a vacuum degree of 1.0Pa in an argon environment, sputter the surface of the glass fiber and cover The deposition rate of the pure silver target material is 1.15nm / s, and the deposition rate of the pure copper target material is 0.020nm / s; the glass fiber is rotated during the sputtering process to ensure that the surface of the glass fiber is evenly coated There is an alloy layer.

[0063] Step 3: Take flake graphite, sodium nitrate and co...

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Abstract

The invention discloses a conductive polyethylene material based on nano modification and a preparation method thereof. The polyethylene material comprises the following raw materials in parts by weight: 100-140 parts of polyethylene resin, 15-18 parts of conductive particles, 1-3 parts of a heat stabilizer, 20-80 parts of ethylene propylene diene monomer, 2-4 parts of a processing aid, 10-20 parts of modified glass fibers and 8-12 parts of polydopamine. The modified glass fibers are sequentially provided with glass fibers, an alloy layer and a graphene layer from inside to outside, the alloylayer wraps the surfaces of the glass fibers, and the graphene layer wraps the outer surface of the alloy layer. The alloy layer is a silver and copper composite layer, and the graphene layer is a graphene oxide and silver nanowire composite layer. The conductive particles comprise carbon nanotubes, carbon black and nickel-coated graphite, and the mass ratio of the carbon nanotubes to the carbon black to the nickel-coated graphite is 1: 1: 1.

Description

technical field [0001] The invention relates to the technical field of polyethylene materials, in particular to a nano-modified conductive polyethylene material and a preparation method thereof. Background technique [0002] Conductive composite materials mainly refer to composite conductive polymer materials. It is composed of polymers and various conductive substances in a certain way, and conductive polyethylene is a type of material that is more concerned by researchers. composite material. [0003] Polyethylene is a common low-priced thermoplastic polymer material. It has good compatibility with carbon black. It is a relatively dry conductive matrix plastic. It is often compounded with a variety of conductive materials by melt mixing molding. The formed conductive compound is often used as Antistatic material of construction. In actual preparation, other conductive materials can also be added as conductive particles to obtain a polyethylene material with excellent el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/16C08L79/04C08L39/06C08K13/06C08K9/10C08K9/00C08K7/14C08K3/04C08K7/00C08K3/08
CPCC08K2003/0806C08K2201/001C08K2201/011C08K2201/014C08L23/06C08L2205/03C08L23/16C08L79/04C08L39/06C08K13/06C08K9/10C08K9/00C08K7/14C08K3/042C08K3/041C08K3/04C08K7/00C08K3/08
Inventor 卞培培
Owner 卞培培
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