Process for conversion of oligomers and higher polymers by irrad

Details Process for conversion of oligomers and higher polymers by irrad Process for conversion of oligomers and higher polymers by irrad

1975-09-03

1978-02-07

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

B01J 110

Patent

active

040725910

ABSTRACT:
Processes for the production of products containing fluorine-containing counds of lower molecular weight by irradiation with high-energy electrons of a dispersion of particles of solid polymers of tetrafluoroethylene and similar perfluoroolefins in an oligomer of the same or a different perfluoroolefin which is liquid at the reaction temperature and having a lower average molecular weight than the solid perfluoroolefin polymers while passing an inert or reactive gas therethrough, and an apparatus in which such processes can be performed.

REFERENCES:
patent: 2960453 (1960-11-01), Cook et al.
patent: 3330748 (1967-07-01), Lawton
patent: 3833626 (1974-09-01), Ferse et al.
patent: 4029870 (1977-06-01), Brown et al.
Modern Plastics, vol. 37, No. 4, Dec. 1959, pp. 144, 145, 148, 224 & 225.

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