Oligohexafluoropropylene oxide derivative and process of produci

Details Oligohexafluoropropylene oxide derivative and process of produci Oligohexafluoropropylene oxide derivative and process of produci

1992-06-26

1994-01-11

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic halides

562848, 568677, C07C 5104

Patent

active

052783405

ABSTRACT:
Oligohexafluoropropylene oxide derivatives represented by the general formula (I): ##STR1## wherein R.sub.f represents a perfluoroalkyl group having 1 to 10 carbon atoms and n is an integer of 0 to 100 or the general formula (II): ##STR2## wherein R.sub.f ' represents a perfluoroalkylene group having 2 to 10 carbon atoms and a and b are each independently an integer of 0 to 20. These compounds are novel and are useful as intermediates for synthesizing iodine-containing oligohexafluoropropylene oxides useful as raw materials for fluororesins, fluororubbers, and fluorine-containing surfactants.

REFERENCES:
patent: 3250807 (1966-05-01), Fritz et al.
patent: 3250808 (1966-05-01), Moore, Jr. et al.
patent: 3322826 (1967-05-01), Moore
Abstract of Japanese Kokai Tokkyo Koho 63-30441 1985.

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