Oil-proof, high-temperature-resistant and antioxidant sealing component and method for preparing same

A seal and high-temperature-resistant technology, which is applied in the field of oil-resistant, high-temperature, oxidation-resistant seals and their preparation, can solve the problems of performance change, oil seal resistance, high temperature resistance, oxidation resistance that cannot meet the use requirements, and short service life, etc., to achieve plasticity Good, excellent oxidation stability, high wear resistance effect

Inactive Publication Date: 2017-05-17
ANHUI JINGHONG SEAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the sealing rings on the market use ordinary rubber as the main raw material, and the formula design often takes tear resistance, wear resistance and extrusion resistance as key considerations. Due to the working conditions, the existing oil seals are far from meeting the requirements in terms of oil resistance, high temperature resistance, and oxidation resistance. In industrial production and use, the performance has changed greatly and the service life is short.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An oil-resistant, high-temperature, oxidation-resistant seal made of the following raw materials in parts by weight: natural rubber: 36 parts, neoprene: 16 parts, nitrile rubber: 18 parts, paraffin oil 4 parts, adhesive 3 parts , 3 parts of dimethyl silicone oil, 4 parts of polyurethane, oleic acid: 0.1 parts, softener: 9 parts, zinc oxide: 3 parts, PEG4000: 3 parts, anti-aging agent: 3 parts.

[0020] A method for preparing an oil-resistant, high-temperature, and oxidation-resistant sealing member, comprising the following steps:

[0021] (1) First, take natural rubber, chloroprene rubber, nitrile rubber, paraffin oil, and adhesive according to the above-mentioned parts by weight, and put them into an open mill for mixing for 20-40 minutes to obtain the mixed material A;

[0022] (2) Then weigh simethicone oil, polyurethane, oleic acid, and softener according to the above parts by weight, add them to the mixture A, put them into an internal mixer for banburying for 20-...

Embodiment 2

[0025] An oil-resistant, high-temperature, oxidation-resistant seal made of the following raw materials in parts by weight: natural rubber: 36 parts, neoprene: 20 parts, nitrile rubber: 18 parts, paraffin oil 4 parts, adhesive 3 parts , 3 parts of dimethyl silicone oil, 4 parts of polyurethane, oleic acid: 0.1 parts, softener: 9 parts, zinc oxide: 3 parts, PEG4000: 3 parts, anti-aging agent: 3 parts.

[0026] A method for preparing an oil-resistant, high-temperature, oxidation-resistant seal, comprising the following steps:

[0027] (1) First, take natural rubber, chloroprene rubber, nitrile rubber, paraffin oil, and adhesive according to the above-mentioned parts by weight, and put them into an open mill for mixing for 20-40 minutes to obtain the mixed material A;

[0028] (2) Then weigh simethicone oil, polyurethane, oleic acid, and softener according to the above parts by weight, add them to the mixture A, put them into an internal mixer for banburying for 20-60 minutes, an...

Embodiment 3

[0031] An oil-resistant, high-temperature, oxidation-resistant seal made of the following raw materials in parts by weight: 40 parts of natural rubber, 18 parts of neoprene, 20 parts of nitrile rubber, 8 parts of ceramic micropowder, 5 parts of paraffin oil, Adhesive 4 parts, dimethyl silicone oil 3 parts, polyurethane 4 parts, oleic acid: 0.08 parts, softener: 8 parts, zinc oxide: 4 parts, PEG4000: 4 parts, anti-aging agent: 3 parts.

[0032] A method for preparing an oil-resistant, high-temperature, oxidation-resistant seal, comprising the following steps:

[0033] (1) First take natural rubber, chloroprene rubber, nitrile rubber, paraffin oil, and adhesive according to the above-mentioned parts by weight, put them into an open mill and mix for 20 minutes to obtain the mixed material A;

[0034] (2) Then take simethicone oil, polyurethane, oleic acid, and softener according to the above parts by weight, add them to the mixture A, put them into an internal mixer for banburyin...

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PUM

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Abstract

The invention discloses an oil-proof, high-temperature-resistant and antioxidant sealing component and a method for preparing the same. The oil-proof, high-temperature-resistant and antioxidant sealing component is made of natural rubber, chloroprene rubber, nitrile rubber, ceramic micro-powder, paraffin oil, adhesive, dimethicone, polyurethane, oleic acid, softeners, zinc oxide, PEG4000 and anti-aging agents. The oil-proof, high-temperature-resistant and antioxidant sealing component and the method have the advantages that the oil-proof, high-temperature-resistant and antioxidant sealing component is excellent in oil-proof, high-temperature-resistant and antioxidant performance and the like, is difficult to abrade and break during use and is long in service life, components of the oil-proof, high-temperature-resistant and antioxidant sealing component are scientifically and reasonably matched with one another and are safe and effective, the method is easy to implement, and accordingly the oil-proof, high-temperature-resistant and antioxidant sealing component and the method are suitable to be industrially popularized on a large scale.

Description

technical field [0001] The invention relates to the field of seals, in particular to an oil-resistant, high-temperature, oxidation-resistant seal and a preparation method thereof. Background technique [0002] The sealing ring is an annular cover composed of one or several parts, which is fixed on a ring or washer of the bearing and contacts with another ring or washer or forms a narrow labyrinth gap. It is the most widely used in hydraulic and pneumatic transmission systems One, it can prevent the leakage of lubricating oil and the intrusion of foreign objects. At present, the commonly used materials for sealing rings are: nitrile rubber, fluorine rubber, silicone rubber, acrylic rubber, polyurethane, polytetrafluoroethylene, etc. When selecting the material for the sealing ring, the compatibility of the material to the working medium and the adaptability to the working temperature range must be considered. [0003] At present, the sealing rings on the market use ordinary...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L11/00C08L9/02C08L91/06C08L75/04C08L71/02C08L83/04C08K13/02C08K5/09C08K3/22C08K3/36
CPCC08L7/00C08L2201/08C08L2205/035
Inventor 汪洪闻须明付崇智
Owner ANHUI JINGHONG SEAL TECH
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