Process for purification of ethylene compound having fluorine-co

Details Process for purification of ethylene compound having fluorine-co Process for purification of ethylene compound having fluorine-co

1992-03-26

1993-03-30

Lone, Werren B.

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

Organic compounds

Halogen containing

204131, 20415792, 20415795, 20415821, C07C 1738, B01J 1912

Patent

active

051985934

ABSTRACT:
A process for purifying an ethylene compound having a fluorine-containing organic group (fluorine-containing ethylene compound) by mixing the fluorine-containing ethylene compound with an alkali metal or alkaline earth metal reducing agent, and subjecting the resulting mixture to irradiation with ultraviolet radiation, followed by washing with water. The purification process ensures effective removal of iodides which are sources of molecular iodine, from the fluorine-containing ethylene compound.

REFERENCES:
patent: 4004993 (1977-01-01), Horner et al.
patent: 4775450 (1988-10-01), Ajami
patent: 5000830 (1991-03-01), Marchionni
patent: 5102510 (1992-04-01), Darian
Patent Abstracts of Japan, vol. 15, No. 445 (C-884), Nov. 13, 1991, & JP-A-3-190-826, N. Okada, et al., Aug. 20, 1991, "Method For Treating Fluorinated Product".

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