Tetrafluoroethylene copolymer

Details Tetrafluoroethylene copolymer Tetrafluoroethylene copolymer

1996-01-02

1998-06-02

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 1624

Patent

active

057601518

ABSTRACT:
Copolymers of tetrafluoroethylene and perfluoro(ethyl vinyl ether) having perfluoro(ethyl vinyl ether) content of at least 3 wt % exhibit excellent toughness even at melt viscosities of no greater than 25.times.10.sup.3 Pa.s. The copolymers can advantageously be made by aqueous dispersion copolymerization of the monomers in the absence of alkaline buffer and preferably in the absence of organic solvent.

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patent: 4743658 (1988-05-01), Imbalzano et al.
patent: 5176958 (1993-01-01), Shimizu et al.
patent: 5266639 (1993-11-01), Chapman, Jr. et al.
patent: 5284708 (1994-02-01), Shimizu et al.
patent: 5461129 (1995-10-01), Kurihara et al.

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