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High-pressure-resistant rubber

A high-pressure and rubber technology, applied in the field of high-pressure rubber, can solve problems such as poor high pressure resistance, and achieve the effects of good heat resistance, high air tightness and excellent aging resistance

Inactive Publication Date: 2015-05-06
LIUZHOU YINGHANG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a kind of high pressure resistant rubber, which can solve the problem of poor high pressure resistance of existing rubber

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] This high-pressure resistant rubber uses the following weights of raw materials:

[0018] Ethylene-propylene rubber: 80 kg; NBR: 17 kg; Chlorine ether rubber: 3 kg; stearic acid: 10 kg; carbon black: 30 kg; dithiocarbamate: 10 kg; polyethylene wax: 10 kg kg; paraffin: 15 kg; vulcanized resin: 15 kg;

[0019] A. The first mixing: Add ethylene propylene rubber, nitrile rubber, and epichlorohydrin rubber into the internal mixer, then add stearic acid, dithiocarbamate, polyethylene wax and carbon black, and then start the internal mixer Carry out the first mixing, the time is 130 seconds, and the temperature is 130°C;

[0020] B. The second mixing: Add paraffin to the internal mixer in step A and mix again, the time is 62 seconds, the temperature is 78 ° C, and then cooling and debinding;

[0021] C. Vulcanization: discharge the rubber in step B to the tablet press, then add vulcanized resin for kneading, the time is 120 seconds, and the tablet is ready.

Embodiment 2

[0023] This high-pressure resistant rubber uses the following weights of raw materials:

[0024] Ethylene-propylene rubber: 70 kg; NBR: 25 kg; Chlorine ether rubber: 5 kg; Stearic acid: 2 kg; Carbon black: 15 kg; Dithiocarbamate: 2 kg; Polyethylene wax: 2 kilograms; paraffin: 3 kilograms; vulcanized resin: 12 kilograms; all the other are identical with embodiment one.

Embodiment 3

[0026] This high-pressure resistant rubber uses the following weights of raw materials:

[0027] Ethylene-propylene rubber: 78 kg; NBR: 19 kg; Chlorine ether rubber: 3.8 kg; Stearic acid: 3 kg; Carbon black: 27 kg; Dithiocarbamate: 8 kg; Polyethylene wax: 8 kilograms; paraffin: 14 kilograms; vulcanized resin: 14.5 kilograms; All the other are identical with embodiment one.

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PUM

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Abstract

The invention discloses high-pressure-resistant rubber relating to the technical field of rubber. The high-pressure-resistant rubber is prepared from the following raw materials in parts by weight: 70-80 parts of ethylene propylene rubber, 17-25 parts of butadiene-acrylonitrile rubber, 3-5 parts of epichlorohydrin rubber, 2-10 parts of stearic acid, 15-30 parts of carbon black, 2-10 parts of dithiocarbamate, 2-10 parts of polyethylene wax, 3-15 parts of paraffin and 12-15 parts of cured resin. By using the high-pressure-resistant rubber, the problem of poor high pressure resistance of the existing rubber is solved.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a high-pressure resistant rubber. Background technique [0002] In the hydraulic system of automobiles or mechanical equipment, rubber tubes are usually used to connect the cylinders and actuators. The existing rubber tubes are mostly made of single-material rubber, because the rubber tubes used here have to withstand high pressure. The flow of oil can easily cause damage to the rubber hose and lead to oil leakage and oil leakage. Therefore, not only the oil is wasted, but in severe cases, it may even cause accidents that endanger people's lives and property. And cheap rubber tubes are a problem that those skilled in the art need to solve urgently. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a high-pressure resistant rubber, which can solve the problem of poor high-pressure resistance of the existing rubber. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L9/02C08L71/03C08L23/06C08L91/06C08L101/02C08K5/09C08K3/04C08K5/39
CPCC08L23/16C08L2205/02C08L2205/035C08L9/02C08L71/03C08L23/06C08L91/06C08L101/02C08K5/09C08K3/04C08K5/39
Inventor 陈永亮
Owner LIUZHOU YINGHANG AUTO PARTS
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