Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1989-03-09
1990-08-28
Gray, Bruce
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568615, C07C17900
Patent
active
049527355
ABSTRACT:
A novel perfluoropolyether containing 0.1 to 10% by weight of halogen atoms as bonded in the molecule is obtained by reacting tetrafluoroethylene with oxygen in a fluorinated solvent or a chlorofluorinated solvent under ultraviolet irradiation in the presence of a halogenated hydrocarbon chain transfer agent having a chain transfer coefficient with respect to methyl methacrylate of at least 5.times.10.sup.-4.
REFERENCES:
Hawley, The Condensed Chemical Dictionary, Van Nostrand, New York (1971), p. 669.
Fukazawa Masashi
Ishikawa Shinji
Kobayashi Kazuo
Gray Bruce
Nipon Mektron Ltd
Philpitt Fred
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