High temperature resistant and high pressure resistant ethylene propylene terpolymer synthetic rubber and preparation process thereof

A technology of EPDM and synthetic rubber, which is applied in the field of rubber or its derivatives, can solve the problems of low cost and limited application range, and achieve the effects of prolonging service life, wide application range and reasonable compatibility

Inactive Publication Date: 2006-10-11
张成余
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the above reasons, the scope of use of EPDM, a relat

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

[0028] Take 24 parts by weight of EPDM 4045 rubber to be mixed with the front roller temperature of 50-60℃ and the back roller temperature of 60-70℃, add it into the open type rubber mixer and repeat the mastication 28 times, the first 4 Adjust the roller distance to 5mm in the next 5 minutes, and adjust the roller distance to 2mm in the next 5 minutes, relax the back roller under the sheet, and hit three triangle bags to make the sheet material into a strip shape that is beneficial to the subsequent process; take 10 parts by weight of high wear-resistant carbon black After mixing with 5 parts by weight of spray carbon black evenly, it becomes mixed carbon black for standby; add 1 / 2 part by weight of mixed carbon black, 1 part by weight of tertiary oil, 1 part by weight of antioxidant MB, and 0.3 parts by weight of antioxidant. 124 rolling for 5 minutes; then add 1 part by weight of active zinc oxide, the remaining mixed carbon black, 1 part by weight of ferrous...

Example Embodiment

[0029] Example 2

[0030] When the temperature of the front roller of the rubber mixer reaches 55℃ and the temperature of the rear roller reaches 65℃, add 20 parts by weight of EPDM 4045 rubber into the open rubber mixer for repeated mastication 30 times. The roller distance is 5mm in the first 5 minutes. After 6 minutes, the roll distance is 2mm. After relaxing, roll down the sheet and hit three triangle bags to make the sheet material into strips to facilitate the subsequent process; take 12 parts by weight of high wear-resistant carbon black and 4 parts by weight of spray carbon black, After the two are evenly mixed, they become mixed carbon black for use; in turn, add 1 / 2 of the mixed carbon black, 3 parts by weight of the third line oil, 0.3 parts by weight of antioxidant MB, 1 part by weight of antioxidant 124 and roll for 8 minutes; Add 2 parts by weight of activated zinc oxide, the remaining mixed carbon black, and 2 parts by weight of the ferrous metal peroxide DCP produc...

Example Embodiment

[0031] Example 3

[0032] Under exactly the same conditions as in Example 2, take 23 parts by weight of EPDM 4045 rubber into the rubber mixing machine for mastication; take 11 parts by weight of high wear-resistant carbon black and 4.5 parts by weight of spray carbon black, and mix the two After being uniform, it becomes a mixed carbon black for later use; sequentially add 1 / 2 of the mixed carbon black, 2 parts by weight of the third line oil, 0.8 parts by weight of antioxidant MB, 0.5 parts by weight of antioxidant 124, and roll for 8 minutes; then add 1.5 parts in turn The zinc oxide, the remaining mixed carbon black, and 1.5 parts of DCP continue to be mixed and released to form the finished product.

[0033] Serial number

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PUM

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Abstract

The invention relates to an ethylene-propylene-diene mischpolymer high-temperature and high-pressure resisting synthesized rubber and the preparing process, wherein the rubber is prepared from the following raw materials: EPDM 4045, active zinc oxide, anti-deteriorant MB, anti-deteriorant 124, wear-resisting carbon black, spray carbon black, three-wire base oil, and ferrous peroxide DCP.

Description

technical field [0001] The invention relates to a composition of rubber or its derivatives, in particular to an EPDM high temperature and high pressure resistant synthetic rubber and a preparation method thereof. Background technique [0002] Rubber products such as rubber gaskets, rings, rubber tubes and conveyor belts are widely used in various industrial fields such as mining, metallurgy, chemical industry, machinery, textiles, medicine, heat, and thermoelectricity, and have played a positive role in scientific research and industrial development. effect. However, with the continuous development of technology and industry, the requirements for its use are getting higher and higher, and the use conditions are becoming more and more harsh. For example, in some special industries, not only acid and alkali resistance, but also high temperature and high pressure resistance are required to meet the requirements. Requirements. At present, the high temperature resistance index ...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08K3/22C08J3/20C08K3/04C08K3/18
Inventor 张成余
Owner 张成余
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