Mixtures of 1,1,1-trifluoroethane, perfluoropropane and propane,

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

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Details

62114, 252162, 252172, 252305, 252364, 252DIG9, 264 53, 264DIG5, 521 98, 521131, C09K 504, C09K 330, C08J 914, C11D 750

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054746957

ABSTRACT:
To replace chlorofluorocarbons as refrigerant fluids, the invention proposes to employ mixtures containing, on a mass basis, approximately 25 to 65% of 1,1,1-trifluoroethane, 1 to 70% of perfluoropropane and 5 to 34% of propane.
The mixtures according to the invention can also be employed as aerosol propellants or as blowing agents for plastic foams.

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patent: 5234613 (1993-08-01), Shiflett
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Derwent Abstract of Japanese Kokai Pub. No. 3-93889, Apr. 1991.
Derwent Abstract of Japanese Kokai Pub. No. 63-105088, May 1988.

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