文章摘要
Effect of Third Monomer Content and Amount of Auxiliary Crosslinking Agent on Phosphate Hydraulic Oil Resistance of EPDM
Received:November 10, 2017  Revised:November 10, 2017
DOI：10.12136/j.issn.1000-890X.2019.09.0665
Key Words: EPDM；third monomer；co-curing agent；TMPTMA；phosphate hydraulic oil；crosslink density；oil resistance
Author NameAffiliationE-mail
shenxinhai* Beijing Institute Aeronautical Materials, Aero Engine Corporation of China 764722556@qq.com 
SU Zhengtao Beijing Institute Aeronautical Materials, Aero Engine Corporation of China  
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Abstract:
      The effect of the third monomer（ethylene norbornene） content of ethylene propylene diene rubber（EPDM） and the amount of the co-curing agent trimethylolpropane trimethacrylate（TMPTMA） on the phosphate hydraulic oil resistance of EPDM compound was investigated. The results showed that，when the third monomer content was the same，with the increase of the amount of TMPTMA in the experimental range，the vulcanization rate，crosslinking density and phosphate hydraulic oil resistance of the compound were improved. When the amount of TMPTMA was the same，with the increase of the content of the third monomer，the vulcanization rate，crosslinking density and phosphate hydraulic oil resistance of the compound increased. For EPDM with low third monomer content，when the amount of TMPTMA exceeded a certain value，with the increase of the amount of TMPTMA，the crosslinking density of the compound increased slightly，but the phosphate hydraulic oil resistance increased continuously.
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