PPVEPercutaneous Portal Vein Embolization (surgical procedure)
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The chemical structures of the most common comonomers, perfluoropropylvinylether (PPVE), perfluorobutylethylene (PFBE), and perfluorohexylethylene (PFHE), used in quantities less than 5 mol% to modify polymers of tetrafluoroethylene (ETFE), are shown in Table 1, along with other alternating ethylene copolymers, such as HFIB, PPVE, and FMB introduced in FEP, PFA, ETFE, ECTFE copolymers and in a relatively new MFA terpolymer.
FORMULA NOT REPRODUCIBLE IN ASCII] TFE PPVE (Tetrafluoro-ethylene) (Perfluoropropyl-vinylether) [CF.
1%) of PPVE result in a modified PTFE with special processing properties.