Preparation of a modified polytetrafluoroethylene and use thereo

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526247, C08F 408

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active

055300782

ABSTRACT:
Polymerizing tetrafluoroethylene with modifying amounts of a perfluoro(alkyl vinyl ether) at temperatures below 60.degree. 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 .mu.m gives molding powders which are suitable for the preform free-sintering technique.

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patent: 4640955 (1987-02-01), Malhotra
European Search Report No. 94116301.6, dated Jan. 11, 1995.

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