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Graphene modification based antistatic rubber composite material and preparation method thereof

A technology of graphene modification and composite materials, applied in the field of rubber materials, can solve the problems of unfavorable use and popularization of rubber composite materials, poor wear resistance and tear resistance, low elasticity and strength of nitrile rubber, etc., to achieve Low compression deformation rate, fast vulcanization speed, and the effect of improving wear resistance and elastic properties

Inactive Publication Date: 2017-01-11
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nitrile rubber is one of the main raw materials used to prepare rubber composite materials. It is prepared from butadiene and acrylonitrile by emulsion polymerization. It is mainly produced by low-temperature emulsion polymerization. Its molecular chain contains unsaturated double bonds and Polar groups, so it has excellent oil resistance, wear resistance, aging resistance and other properties. It is mainly used in the manufacture of oil-resistant rubber products, and is widely used in many fields such as petroleum industry, machinery industry, transportation, etc. However, the nitrile rubber The elasticity and strength are slightly low, and in actual use, due to the low electrical conductivity of nitrile rubber, it is easy to generate charge accumulation, and the electrostatic phenomenon is obvious; the existing rubber composite materials have low elasticity, and wear resistance and Poor tear resistance, therefore, is not conducive to the use and popularization of rubber composite materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A preparation method based on a graphene-modified antistatic rubber composite material, wherein each raw material is weighed according to the above-mentioned parts by weight, and mixed on an open mill, specifically comprising the following steps:

[0032] (1) Put nitrile rubber into an open mill, masticate for 30-35min at a stirring speed of 150-250rpm to obtain the main rubber material, and then knead at 80-95°C for 30-40min;

[0033] (2) Then put zinc oxide, stearic acid and anti-aging agent into the open mill, masticate for 40-55min at a stirring speed of 180-280rpm, and then knead for 40-50min at 85-100°C;

[0034] (3) Then put the reinforcing filler into the open mixer, masticate at a stirring speed of 150-250rpm for 40-55min, and then knead at 85-105°C for 40-50min;

[0035] (4) Put the functional additives into the open mixer, masticate at a stirring speed of 200-350rpm for 50-60min, and then knead at 80-95°C for 40-50min;

[0036] (5) Finally, put the accelerat...

Embodiment 2

[0040] Different from Example 1, based on the graphene-modified antistatic rubber composite material, the rubber composite material includes the following components in parts by weight: 100 parts of nitrile rubber, 8 parts of zinc oxide, 5 parts of stearic acid , 3 parts of anti-aging agent, 2 parts of accelerator NOBS, 3 parts of sulfur, 50 parts of reinforcing filler, 20 parts of functional additive.

Embodiment 3

[0042] Different from Examples 1 and 2, based on the graphene-modified antistatic rubber composite material, the rubber composite material includes the following components in parts by weight: 100 parts of nitrile rubber, 6 parts of zinc oxide, stearic acid 3 parts, 2 parts of anti-aging agent, 2 parts of accelerator NOBS, 3 parts of sulfur, 30 parts of reinforcing filler, 5 parts of functional additives. The anti-aging agent only selects 2 parts of xylenone; the reinforcing filler is mixed with calcium carbonate: titanium dioxide: conductive carbon black in a weight ratio of 2: 1: 3, that is, the calcium carbonate is 10 parts, so The titanium dioxide is 5 parts, and the conductive carbon black is 15 parts; the functional auxiliary agent is a graphene / conductive graphite / conductive mica mixture.

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PUM

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Abstract

The invention discloses a graphene modification based antistatic rubber composite material and a preparation method thereof. The rubber composite material is prepared from, by weight, 80-100 parts of butadiene-acrylonitrile rubber, 5-8 parts of zinc oxide, 1-5 parts of stearic acid, 1-3 parts of an anti-aging agent, 1-2 parts of an accelerant NOBS, 1-3 parts of sulfur, 30-50 parts of reinforcing filler and 0.1-20 parts of functional auxiliaries. Mechanical strength, elasticity and abrasion resistance of the rubber composite material prepared according to the method are improved, the service life of the rubber composite material is prolonged, electric conductivity of the rubber composite material is improved, electric charges generated by friction in a utilization process can be well eliminated, and accordingly an antistatic effect is achieved.

Description

technical field [0001] The invention relates to the technical field of rubber materials, in particular to a graphene-modified antistatic rubber composite material and a preparation method thereof. Background technique [0002] Raw rubber is relatively low in strength and elasticity, and has no use value. It can only be used after processing with processing aids such as reinforcing fillers and anti-aging agents. As a general carbon-based reinforcing material, carbon black is widely used in various types of rubber compound reinforcement together with white carbon black. In the sequence of carbon-based reinforcing materials, in addition to carbon black, there are also zero-dimensional structures. Fullerenes, carbon nanotubes with one-dimensional structure, graphene with two-dimensional structure and graphite with three-dimensional structure, among them, graphene is a newly developed new carbon-based material, as a rubber nanofiller with excellent performance, graphene and its d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08K13/02C08K3/04C08K3/22C08K5/09C08K3/34C08K3/26B29B7/00B29C35/02
CPCB29B7/007B29C35/02C08K3/04C08K3/22C08K3/26C08K3/34C08K5/09C08K13/02C08K2003/2241C08K2003/2296C08K2003/265C08K2201/001C08K2201/014C08L9/02
Inventor 曲丽君田明伟孙亚宁于荣荣陈国华朱士凤
Owner QINGDAO UNIV
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