C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/26 (2006.01) B29C 67/04 (2006.01)
Patent
CA 2131757
Abstract Process for preparing a modified polytetrafluoroethylene and use thereof Polymerizing tetrafluoroethylene with modifying amounts of a perfluoro(alkyl vinyl ether) at temperatures below 60°C using permanganate or similar initiators by the suspension process and milling the raw polymer to an average particle size of from 10 to 50 µm gives molding powders which are suitable for the preform free-sintering technique.
Felix Bernd
Hintzer Klaus
Lohr Gernot
Dyneon Gmbh
Fetherstonhaugh & Co.
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