Patent ID: 9234063
Filing Date: 2016-01-12
CPC Classification: C08F

Claim Text:
1. A peroxide curable perfluoroelastomer consisting essentially of: recurring units derived from tetrafluoroethylene (TFE); recurring units derived from perfluoromethylvinylether (MVE); iodine in the end position of the macromolecules; and optionally recurring units derived from a bis-olefin of formula (I): wherein: said perfluoroelastomer possessing a Mooney Viscosity (ML2+9) at 121° C. of from 25 to 140 MU, when measured according to ASTM D1646 standard, comprising said MVE recurring units in an amount of from 26 to 33% by moles with respect to total moles of TFE and MVE, from 67 to 74% moles of recurring units derived from TFE with respect to total moles of TFE and MVE, and optionally said bis-olefin recurring units are present in an amount of from 0.01 to 1% moles with respect to total moles of TFE and MVE.