Fluorine containing polyethers

Details Fluorine containing polyethers Fluorine containing polyethers

1976-12-08

1980-05-06

Killos, Paul J.

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

Organic compounds

Oxygen containing

260544F, 260545R, 260546, 560192, 562596, C07C 4302

Patent

active

042018765

ABSTRACT:
A fluorinated polyether is synthesized by (1) reacting perfluoroglutryl chloride and 1,5-hexafluoropentane diol to provide a fluorinated polyester and (2) converting ester groups of the polyester to ether groups by SF.sub.4 reduction. The product obtained is a thermally stable polyether which is particularly useful in providing an elastomeric material for aircraft fuel tank sealants, tire valves, O-rings, hose, gaskets, and the like.

REFERENCES:
patent: 3452103 (1969-06-01), Trischler
patent: 3492374 (1970-01-01), Le Bleu et al.
patent: 3699145 (1972-10-01), Sianesi et al.

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