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Supercharger sealing ring and preparation method thereof

A sealing ring and supercharger technology, applied in the field of sealing, can solve the problems of low service life, easy aging mechanical properties, etc., and achieve the effect of improving heat resistance

Pending Publication Date: 2022-04-15
WUXI WEIYIFA PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rubber sealing rings currently used generally have the defects of easy aging and poor mechanical properties, and the service life is low, which needs further improvement

Method used

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  • Supercharger sealing ring and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment provides a supercharger sealing ring, and its raw material formula is as follows:

[0023] 100 parts of nitrile rubber, 80 parts of fluorine rubber, 60 parts of carbon black, 30 parts of barium sulfate, 30 parts of talcum powder, 20 parts of graphene, 15 parts of magnesium oxide, 6 parts of magnesium stearate, N-phenyl-2- 2 parts of naphthylamine, 3 parts of N-phenyl-N'-isopropyl-p-phenylenediamine, 5 parts of sulfur, and 10 parts of N,N'-m-phenylene bismaleimide.

[0024] The preparation method is as follows:

[0025] S1: Mix nitrile rubber, fluororubber and carbon black in proportion for one stage of mixing, control the mixing temperature at 150-160°C for 10-15 minutes, and obtain P1;

[0026] S2: First, blend barium sulfate, talcum powder, graphene, magnesium oxide, magnesium stearate, and anti-aging agent according to the proportion. The mixing temperature is 100-130°C. After mixing for 5 minutes, add P1 and The vulcanizing agent is mixed in the se...

Embodiment 2

[0029] This embodiment provides a supercharger sealing ring, and its raw material formula is as follows:

[0030] 120 parts of nitrile rubber, 130 parts of fluororubber, 76 parts of carbon black, 45 parts of barium sulfate, 31 parts of talcum powder, 32 parts of graphene, 20 parts of magnesium oxide, 7 parts of magnesium stearate, N-phenyl-2- 5 parts of naphthylamine, 14 parts of N-phenyl-N'-isopropyl-p-phenylenediamine, 8 parts of sulfur, and 17 parts of N,N'-m-phenylene bismaleimide.

[0031] The preparation method is as follows:

[0032] S1: Mix nitrile rubber, fluororubber and carbon black in proportion for one stage of mixing, control the mixing temperature at 150-160°C for 13 minutes, and obtain P1;

[0033] S2: First, blend barium sulfate, talcum powder, graphene, magnesium oxide, magnesium stearate, and anti-aging agent according to the proportion. The mixing temperature is 100-130°C. After mixing for 8 minutes, add P1 and The vulcanizing agent is mixed in the second...

Embodiment 3

[0036] This embodiment provides a supercharger sealing ring, and its raw material formula is as follows:

[0037] 140 parts of nitrile rubber, 110 parts of fluororubber, 85 parts of carbon black, 42 ​​parts of barium sulfate, 32 parts of talcum powder, 32 parts of graphene, 17 parts of magnesium oxide, 8 parts of magnesium stearate, N-phenyl-N` -8 parts of cyclohexyl-p-phenylenediamine, 9 parts of N-phenyl-2-naphthylamine, 15 parts of sulfur, and 20 parts of N,N'-m-phenylene bismaleimide.

[0038] The preparation method is as follows:

[0039] S1: Mix nitrile rubber, fluororubber and carbon black in proportion for one stage of mixing, control the mixing temperature at 150-160°C for 10-15 minutes, and obtain P1;

[0040] S2: First, blend barium sulfate, talcum powder, graphene, magnesium oxide, magnesium stearate, and anti-aging agent according to the proportion. The mixing temperature is 100-130°C. After mixing for 5-10 minutes, add it when the temperature rises to 210°C P1 ...

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Abstract

The invention relates to the technical field of sealing technologies, in particular to a supercharger sealing ring and a preparation method thereof.The supercharger sealing ring is prepared from 100-300 parts of nitrile rubber, 80-130 parts of fluororubber, 60-125 parts of carbon black, 30-60 parts of barium sulfate, 30-45 parts of talcum powder, 20-45 parts of graphene, 15-26 parts of magnesium oxide, 6-14 parts of magnesium stearate, 5-30 parts of an anti-aging agent and 15-50 parts of a vulcanizing agent. By optimizing the raw material components and the preparation process of the supercharger sealing ring, various properties of the supercharger sealing ring material are greatly improved.

Description

technical field [0001] The invention relates to the technical field of sealing technology, in particular to a supercharger sealing ring and a preparation method thereof. Background technique [0002] A turbocharger is actually an air compressor that compresses air to increase intake air. It uses the inertial momentum of the exhaust gas discharged from the engine to drive the turbine in the turbine chamber, and the turbine drives the coaxial impeller, which presses the air sent by the air filter pipe to pressurize it into the cylinder. When the engine speed increases, the exhaust gas discharge speed and the turbine speed also increase synchronously, and the impeller compresses more air into the cylinder. The pressure and density of the air increase to burn more fuel. Increase the amount of fuel and adjust the engine speed accordingly. The output power of the engine can be increased. Unlike supercharging, turbocharging does not consume engine power and can easily increase th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L27/12C08K3/04C08K3/34C08K3/30
Inventor 蒋红亮
Owner WUXI WEIYIFA PRECISION MACHINERY
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