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  • Perfluoro(methyl vinyl ether) is a widely known monomer used in the industrial scale, particularly, in the production of fluorine containing rubbers. The known values of copolymerization constants of perfluoro(methyl vinyl ether) (?1) with tetrafluoroethylene2 (?2) are r1 = k11/k12 = 0.22 and r2 = k22/k21 = 1.42 (index 2 concerns tetrafluoroethylene).
  • Perfluoromethyl vinyl ether as the special fluoric monomer has wide applications in the development of new-style fluoro plastics and fluoro rubber with excellent integrative properties.
  • Aggressive pumping environments can be problematic for pump engineers. On the one hand it's impossible to design the pump to be resistant to every kind of chemical, while on the other, the tendency is to either over specify a perfluoroelastomer to cover all eventualities or select a elastomer with mid-range chemical resistance in the hope this will cover most applications.
  • There are five main types of FKMs, determined by the types of monomers used to produce the fluoroelastomer. These include Vinylidene Fluoride (VF2), Hexafluoropropylene (HFP), Tetrafluoroethylene (TFE), Perfluoromethylvinylether (PMVE).
  • The perfluorocarbon base polymer shall contain no less than 40 weight-percent of polymer units derived from tetrafluoroethylene, no less than 40 weight-percent of polymer units derived from perfluoromethyl vinyl ether and no more than 5 weight-percent polymer units derived from perfluoro-2-phenoxy-propyl vinyl ether.
  • Small amount of perfluoromethyl vinyl ether copolymerize with tetrafluoroethylene to produce fluoro resin, which could be melting processed.
  • The polymer film was prepared by the evaporation of the perfluoro(methyl vinyl ether) polymer in the FC75 solvent on the ?Br glass, the film thickness being 15 m.
  • Perfluoroelastomers and fluoroelastomers are widely used as seals in PV cell manufacturing equipments due to their extraordinary resistance to chemicals and heat.
  • The key monomer that has historically been used for extending the low temperature performance of FKM has been perfluoromethylvinylether (PMVE). The replacement of hexafluoropropylene (HFP) by PMVE enabled FKM materials to be developed with glass transition temperatures in the region of -30C.

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