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Impact of dimethyl ether on engine seal materials

Impact of dimethyl ether on engine seal materials Abstract The resistance of many kinds of rubber materials to dimethyl ether (DME) was studied. Both the mass and volume change of rubber materials, which were put in DME and then exposed to the air for different periods of time were measured. The results show that fluorine rubber (FKM), silicone rubber (SIR), and nitrile rubber (NBR) are unsuitable as seal materials for DME engines. Common polyvinylchloride (PVC) dissolved completely in DME, which has almost no impact on vulcanizing nylon material. The constitution of ethylene propylene terpolymer rubber (EPDM) has a major impact on its resistance to DME. A kind of EPDMwith good resistance to DME was found, whose reliability was validated by 100 hours of DME engine operation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Frontiers in Energy" Springer Journals

Impact of dimethyl ether on engine seal materials

"Frontiers in Energy" , Volume 2 (3): 6 – Sep 1, 2008

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Publisher
Springer Journals
Copyright
2008 Higher Education Press and Springer-Verlag GmbH
ISSN
2095-1701
eISSN
1673-7504
DOI
10.1007/s11708-008-0042-1
Publisher site
See Article on Publisher Site

Abstract

Abstract The resistance of many kinds of rubber materials to dimethyl ether (DME) was studied. Both the mass and volume change of rubber materials, which were put in DME and then exposed to the air for different periods of time were measured. The results show that fluorine rubber (FKM), silicone rubber (SIR), and nitrile rubber (NBR) are unsuitable as seal materials for DME engines. Common polyvinylchloride (PVC) dissolved completely in DME, which has almost no impact on vulcanizing nylon material. The constitution of ethylene propylene terpolymer rubber (EPDM) has a major impact on its resistance to DME. A kind of EPDMwith good resistance to DME was found, whose reliability was validated by 100 hours of DME engine operation.

Journal

"Frontiers in Energy"Springer Journals

Published: Sep 1, 2008

References