High-temperature-resistant rubber sealing element

A technology of rubber seals and fluorine rubber, which is applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of poor temperature resistance, achieve good high temperature resistance and mechanical stability, and promote the use value

Inactive Publication Date: 2017-12-01
宁国市宁和密封件厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Electric vehicle brake caliper parts also need to use rubber seals, and when the brake caliper parts are in use, the internal components will squeeze and rub against the rubber seals, which will cause the rubber seals to generate a lot of heat, so rubber seals are required The parts have good temperature resistance to ensure the quality of their use, but most of the existing rubber seals have poor temperature resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high temperature-resistant rubber seal, consisting of the following substances by weight:

[0020] 60 parts of nitrile rubber, 40 parts of fluororubber, 55 parts of modified ceramic powder, 8 parts of manganese powder, 6 parts of glass fiber, 2 parts of dispersant, 1 part of antioxidant, 4 parts of vulcanizing agent.

[0021] Further, the preparation method of the modified ceramic powder comprises the following steps:

[0022] (1) Soak ceramic micropowder in a nitric acid solution with a mass fraction of 6% for 30 minutes, take it out and rinse it with clean water for later use;

[0023] (2) Put the ceramic micropowder treated in step (1) into the modifying solution for 1 hour, heat and keep the temperature of the modifying solution at 80°C, and apply ultrasonic waves with a frequency of 70kHz for treatment, and take it out after completion After rinsing with clean water, put it into a drying box and dry it to a constant weight; the components and their corresponding...

Embodiment 2

[0028] A high temperature-resistant rubber seal, consisting of the following substances by weight:

[0029] 63 parts of nitrile rubber, 42 parts of fluororubber, 58 parts of modified ceramic powder, 10 parts of manganese powder, 8 parts of glass fiber, 3 parts of dispersant, 1.5 parts of antioxidant, 5 parts of vulcanizing agent.

[0030] Further, the preparation method of the modified ceramic powder comprises the following steps:

[0031] (1) Soak ceramic micropowder in 8% nitric acid solution for 33 minutes, take it out and rinse it with clean water for later use;

[0032] (2) Put the ceramic micropowder treated in step (1) into the modifying solution for 1.5h soaking treatment, during which the temperature of the modifying solution is kept at 83°C by heating, and ultrasonic waves with a frequency of 72kHz are applied for treatment, and then taken out after completion After rinsing once with clean water, put it in a drying oven and dry it to constant weight; the components ...

Embodiment 3

[0037] A high temperature-resistant rubber seal, consisting of the following substances by weight:

[0038] 65 parts of nitrile rubber, 45 parts of fluororubber, 60 parts of modified ceramic powder, 12 parts of manganese powder, 9 parts of glass fiber, 4 parts of dispersant, 2 parts of antioxidant, 6 parts of vulcanizing agent.

[0039] Further, the preparation method of the modified ceramic powder comprises the following steps:

[0040] (1) Soak the ceramic micropowder in a nitric acid solution with a mass fraction of 9% for 35 minutes, take it out and rinse it with clean water for later use;

[0041] (2) Put the ceramic micropowder treated in step (1) into the modification solution for soaking treatment for 2 hours. During this period, heat and keep the temperature of the modification solution at 85°C, and apply ultrasonic waves with a frequency of 75kHz for treatment. After completion, take it out with After rinsing with clean water, put it in a drying box and dry it to co...

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Abstract

The invention discloses a high temperature-resistant rubber seal, which is composed of the following materials: nitrile rubber, fluorine rubber, modified ceramic micropowder, manganese powder, glass fiber, dispersant, antioxidant and vulcanizing agent. The present invention carries out special matching treatment on the rubber seal, and under the joint action of each component, the final rubber seal has good high temperature resistance and mechanical stability, and has good popularization and use value.

Description

technical field [0001] The invention belongs to the technical field of processing and manufacturing rubber seals, and in particular relates to a high temperature-resistant rubber seal. Background technique [0002] Rubber seals are a general basic component in sealing devices Rubber seals are a type of rubber products widely used in sealing technology. Because of its small elastic modulus, high elongation, and air resistance, it is widely used for installation on various mechanical equipment. Electric vehicle brake caliper parts also need to use rubber seals, and when the brake caliper parts are in use, the internal components will squeeze and rub against the rubber seals, which will cause the rubber seals to generate a lot of heat, so rubber seals are required The parts have good temperature resistance to ensure the quality of their use, but most of the existing rubber seals have poor temperature resistance. Contents of the invention [0003] The object of the present i...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L27/12C08K13/06C08K9/10C08K9/12C08K3/00C08K7/14C08K3/08C08K5/134C09K3/10
CPCC08L9/02C08K2003/0856C08K2201/003C08K2201/004C08L2201/08C09K3/10C09K2003/1078
Inventor 张文尧
Owner 宁国市宁和密封件厂
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