Generation of CF.sub.4 from Teflon for reactive atmosphere proce

Details Generation of CF.sub.4 from Teflon for reactive atmosphere proce Generation of CF.sub.4 from Teflon for reactive atmosphere proce

1977-06-22

1978-12-05

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

23305R, 2523014H, 2606531R, 2606533, 423491, C07C 2118

Patent

active

041285891

ABSTRACT:
A tetrafluoromethane (CF.sub.4) generator and process is disclosed that facilitates the relatively low temperature production of CF.sub.4 gas via controlled decomposition of polytetrafluoroethylene (Teflon) and tetrafluoroethylene (C.sub.2 F.sub.4). CF.sub.4 produced via this process proves to be an excellent OH.sup.- scavenger in the processing and growth of metal fluoride single crystals.

REFERENCES:
patent: 2933536 (1960-04-01), Wall et al.
patent: 2978519 (1961-04-01), Fischer
patent: 3223739 (1965-12-01), Teumac
patent: 3832411 (1974-08-01), Arkles et al.
patent: 4076760 (1978-02-01), Hartwimmer

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