Fluoroelastomers endowed with high resistance to polar...

Details Fluoroelastomers endowed with high resistance to polar... Fluoroelastomers endowed with high resistance to polar...

C - Chemistry, Metallurgy

08

F

C08F 214/26 (2006.01) B29D 99/00 (2010.01) C08F 214/22 (2006.01) C08F 216/14 (2006.01) B29D 31/00 (2006.01)

Patent

CA 2120199

1 "FLUOROELASTOMERS ENDOWED WITH HIGH RESISTANCE TO POLAR SOLVENTS AND TO BASES" ABSTRACT Fluoroelastomers comprising, by mole: (a) from 33 to 75% of tetrafluoroethylene (TFE); (b) from 15 to 45% of a perfluorovinylether (PVE); (c) from 10 to 22% of vinylidene fluoride (VDF). They are endowed with high resistance to polar solvents and to bases, excellent compression set also at high temperatures, low Tg and good processability. They result particularly suitable for the manufacture of sealing elements (O-rings) for plants intended to the production of methylterbutylether (MTBE).

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