Telechelic telomers of chlorotrifluoroethylene and method for pr

Details Telechelic telomers of chlorotrifluoroethylene and method for pr Telechelic telomers of chlorotrifluoroethylene and method for pr

1991-08-15

1993-11-16

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415795, 20415811, C07C 1700

Patent

active

052620255

ABSTRACT:
Iodine terminated liquid telechelic telomers of chlorotrifluoroethylene (CTFE) containing an average of more than 1 CTFE unit per molecule are novel compounds. The telomers can be prepared by a photochemically initiated reaction between liquified CTFE and either elemental iodine or the telogen ICF.sub.2 CFClI at temperatures below about 50.degree. C.

REFERENCES:
patent: 3051764 (1962-08-01), Hauptschein et al.
patent: 3089911 (1963-05-01), Hauptschein et al.
patent: 3816286 (1974-06-01), Haszeldine et al.
Journal of Fluorine Chemistry [43 (1990), p. 199] by V. Tortelli and C. Tonelli.
J. Amer. Chem. Soc., 1951, 73, 1352.
Jacs 79, 2549 (1957) M. Hauptschein et al.
J.C.S. 4291 (1955) R. Haszeldine.
J.C.S. 4302 (1955) R. Haszeldine.

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