Graphene reinforced rubber sealing material and preparation method thereof

A sealing material and graphene technology, applied in the field of mechanical materials, can solve the problems of reducing the production efficiency of enterprises, harming people and the environment, and accelerating the aging speed, so as to improve the anti-aging and thermal-oxidative performance effect

Inactive Publication Date: 2019-08-30
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the quality of the seals is poor, it will cause economic losses and troubles, and it will cause serious accidents, which will cause great harm to people and the environment.
Especially in an environment with high working pressure and high temperature, the seal ring bears a large load, and the aging speed at high temperature is accelerated. During the operation of the equipment, the seals are often damaged, and some seals can even work normally. It needs to be replaced in less than a month, which greatly reduces the production efficiency of the enterprise

Method used

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  • Graphene reinforced rubber sealing material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A rubber sealing material, which is composed of the following components in parts by mass: 100 parts of nitrile rubber, 5 parts of aramid fiber, 3 parts of graphene, 3 parts of zinc oxide, 2 parts of calcium oxide, 0.6 parts of zinc stearate 1 part, accelerator CZ 1 part, accelerator TT 2 parts, antioxidant RD 1 part, antioxidant 4010NA 2 parts, vinyl silicone resin 2 parts, sulfur 2 parts.

[0021] The preparation method of described rubber sealing material, comprises the following steps:

[0022] (1) Mastication: put the nitrile rubber on the open mill for thin pass plastication treatment, and knead at 50-80°C for 3-5 minutes;

[0023] (2) Mixing: the plasticized rubber of step (1) is mixed with zinc oxide, calcium oxide, zinc stearate, accelerator CZ, accelerator TT, anti-aging agent RD, anti-aging agent 4010NA, vinyl silicone resin, Add sulfur to the mixer one by one, and knead at 50-80°C for 6-8 minutes;

[0024] (3) Adding micro-scale fibers: adding aramid fiber...

Embodiment 2

[0028] A rubber sealing material, which is composed of the following components in parts by mass: 100 parts of nitrile rubber, 5 parts of aramid fiber, 5 parts of graphene, 3 parts of zinc oxide, 3 parts of calcium oxide, 0.7 parts of zinc stearate 2 parts, accelerator CZ 2 parts, accelerator TT 2 parts, antioxidant RD 2 parts, antioxidant 4010NA 2 parts, vinyl silicone resin 5 parts, sulfur 2.5 parts.

[0029] The preparation method of described rubber sealing material, comprises the following steps:

[0030] (1) Mastication: put the nitrile rubber on the open mill for thin pass plastication treatment, and knead at 50-80°C for 3-5 minutes;

[0031] (2) Mixing: the plasticized rubber of step (1) is mixed with zinc oxide, calcium oxide, zinc stearate, accelerator CZ, accelerator TT, anti-aging agent RD, anti-aging agent 4010NA, vinyl silicone resin, Add sulfur to the mixer one by one, and knead at 50-80°C for 6-8 minutes;

[0032] (3) Adding micro-scale fibers: adding aramid ...

Embodiment 3

[0036] A rubber sealing material, which is composed of the following components in parts by mass: 100 parts of nitrile rubber, 5 parts of aramid fiber, 7 parts of graphene, 5 parts of zinc oxide, 5 parts of calcium oxide, 0.7 parts of zinc stearate 3 parts, accelerator CZ 3 parts, accelerator TT 3 parts, antioxidant RD 3 parts, antioxidant 4010NA 3 parts, vinyl silicone resin 6 parts, sulfur 4 parts.

[0037] The preparation method of described rubber sealing material, comprises the following steps:

[0038] (1) Mastication: put the nitrile rubber on the open mill for thin pass plastication treatment, and knead at 50-80°C for 3-5 minutes;

[0039] (2) Mixing: the plasticized rubber of step (1) is mixed with zinc oxide, calcium oxide, zinc stearate, accelerator CZ, accelerator TT, anti-aging agent RD, anti-aging agent 4010NA, vinyl silicone resin, Add sulfur to the mixer one by one, and knead at 50-80°C for 6-8 minutes;

[0040] (3) Adding micro-scale fibers: adding aramid fi...

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Abstract

The invention discloses a graphene reinforced heat transfer sealing material and a preparation method thereof. The material is prepared by adding the following raw materials into 100 parts of nitrilerubber by mass part: 2-8 parts of aramid fiber, 3-10 parts of graphene, 3-7 parts of zinc oxide, 2-6 parts of calcium oxide, 0.6-1.4 parts of zinc stearate, 3 parts of an accelerant CZ, 1-3 parts of an accelerant TT, 1-3 parts of an antiager RD, 1-3 parts of an antiager 4010NA, 2-6 parts of vinyl silicone resin, and 2-4 parts of sulfur; preparation steps are as follows: masticating the nitrile rubber, sequentially mixing with an additive, a filler and multi-scale fiber in the above components, and finally performing press forming and vulcanization. The graphene reinforced heat transfer sealingmaterial with tensile strength, thermal conductivity, compression rebound rate, and the like can bear a large pressure.

Description

technical field [0001] The invention relates to the technical field of mechanical materials, in particular to a graphene-enhanced heat transfer sealing material and a preparation method thereof. Background technique [0002] Sealing involves all aspects of human production and life. Sealing products are important basic components of mechanical equipment. Almost all industrial sectors cannot do without it. Compressors, pumps, pressure pipelines, etc. in general equipment are based on sealing. . The quality of sealing components is directly related to the service life and operational reliability of most equipment. If the quality of the seals is poor, it will bring economic losses and troubles, and it will cause serious accidents, which will cause great harm to people and the environment. Especially in an environment with high working pressure and high temperature, the seal ring bears a large load, and the aging speed at high temperature is accelerated. During the operation o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L77/10C08L83/07C08K13/02C08K3/04C08K3/22C08K5/098C08K5/18C08K5/3437C08K3/06
CPCC08K2003/2206C08K2003/2296C08L9/02C08L2201/08C08L2205/03C08L2205/16C08L77/10C08L83/04C08K13/02C08K3/042C08K3/22C08K5/098C08K5/18C08K5/3437C08K3/06
Inventor 李坤顾伯勤伍广
Owner ANHUI UNIV OF SCI & TECH
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