Perfluoroisohexene as a cooling and insulating medium

Compositions – Vaporization – or expansion – refrigeration or heat or energy...

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62114, C09K 504

Patent

active

053955404

ABSTRACT:
A mixture of isomers of the formula C.sub.6 F.sup.12, which contains at least 80% by weight of the trans isomer of perfluoro-4-methyl-2-pentene and at most 3% by weight of perfluoro-2-methyl-2-pentene, is suitable as a cooling and insulating medium and can be used as a substitute 1,1,2-trichloro-1,2,2-trifluoroethane.

REFERENCES:
patent: 4093670 (1978-06-01), Ozawa et al.
patent: 4377717 (1983-03-01), Anello et al.
patent: 5100572 (1992-03-01), Merchant
Jomard, T., et al. EPE Firenze (2):495-496 (1991).

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