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High-temperature-resistant oil-resistant rubber composition and preparation method thereof

A technology of oil-resistant rubber and composition, applied in the field of rubber, can solve the problems of rubber not reaching performance, affecting the use of rubber, rubber deterioration, etc., and achieves the effects of simple preparation method, improved heat resistance, and good high temperature resistance

Active Publication Date: 2015-02-11
ANHUI TONGFENG RUBBER & PLASTIC IND
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When rubber products are in contact with oily substances, the oil will penetrate into the rubber, making it swell or increase in volume, seriously affecting the use of rubber and causing rubber to deteriorate
[0004] The rubber used for the sole needs to have strong oil resistance and high temperature resistance. The rubber similar to the sole does not meet the specified performance. The sole cannot be worn in a high temperature and oil resistant environment for a long time, which will affect the use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A high-temperature and oil-resistant rubber composition, which contains the following components in parts by weight: 100 parts of natural rubber, 30 parts of tetrapropylene fluorine rubber, 16 parts of EPDM rubber, 2 parts of benzoyl peroxide, and two parts of phthalic acid 12 parts of butyl ester, 5 parts of anti-aging agent NBC, 6 parts of zinc oxide, 33 parts of calcium carbonate, 2.1 parts of phenol formaldehyde, 3.6 parts of epoxy soybean oil.

[0018] The preparation method of the present invention is:

[0019] (1) Add natural rubber, tetrapropylene fluoride rubber, EPDM rubber, dibutyl phthalate, anti-aging agent NBC, and epoxy soybean oil into the internal mixer for the first mixing to obtain the mixed rubber, and Stand still for 24 hours;

[0020] (2) Perform second mixing of the rubber compound, phenol formaldehyde and benzoyl peroxide to obtain a high temperature and oil resistant rubber composition.

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Abstract

The invention discloses a high-temperature-resistant oil-resistant rubber composition and a preparation method thereof. The high-temperature-resistant oil-resistant rubber composition comprises the following compositions in parts by weight: 100 parts of natural rubber, 30 parts of tetrapropyl fluoro elastomer, 16 parts of ethylene-propylene-diene rubber, 2 parts of benzoyl peroxide, 12 parts of dibutyl phthalate, 5 parts of an anti-ageing agent NBC, 6 parts of zinc oxide, 33 parts of calcium carbonate, 2.1 parts of phenol formaldehyde, and 3.6 parts of epoxy soybean oil. The prepared rubber employs natural rubber as the main raw material, is prepared by adding tetrapropyl fluoro elastomer with high-temperature resistance and ethylene-propylene-diene rubber with oil resistance, has good high-temperature resistance and oil resistance, and is further improved in mechanical properties and heat resistance. The preparation method is simple and low in cost.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a high-temperature and oil-resistant rubber composition and a preparation method thereof. Background technique [0002] Under the action of high temperature or thermal oxygen, rubber produces two kinds of changes, namely physical change and chemical change. Whether it is under the action of pure heat or thermal oxygen, it can cause the main chain of the polymer to break and the crosslink to be destroyed. Or further crosslinking occurs, followed by hardening and embrittlement of rubber. Usually, the ability of rubber to maintain its original physical properties under long-term heat aging is called heat resistance. [0003] The oil resistance of rubber refers to the ability of vulcanized rubber to resist the action of oil. When rubber products are in contact with oily substances, the oil will penetrate into the rubber, causing it to swell or increase in volume, seriously affecting ...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L27/12C08L23/16C08K13/02C08K5/14C08K5/12C08K3/22C08K3/26C08K5/1515
CPCC08L7/00C08L2201/08C08L2205/03C08L27/12C08L23/16C08K13/02C08K5/14C08K5/12C08K2003/2296C08K2003/265C08K5/1515
Inventor 项宗武
Owner ANHUI TONGFENG RUBBER & PLASTIC IND
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