Hydrated MgCl.sub.2 reversible phase change compositions

Details Hydrated MgCl.sub.2 reversible phase change compositions Hydrated MgCl.sub.2 reversible phase change compositions

1980-12-22

1982-07-06

Albrecht, Dennis L.

Compositions

Frost-preventing, ice-thawing, thermostatic, thermophoric,...

23300, 23301, 126400, C09K 506, F24J 302

Patent

active

043382088

ABSTRACT:
A reversible liquid/solid phase change composition comprising hydrated MgCl.sub.2 and one or more of Ba(OH).sub.2, Sr(OH).sub.2, CaO, SrCO.sub.3, BaO, Ca(OH).sub.2, Mg(OH).sub.2, MgO, Na.sub.3 AlF.sub.6 or CaC.sub.2 O.sub.4, added to the composition in an effective amount to suppress supercooling of the MgCl.sub.2 liquid phase.

REFERENCES:
patent: 4272391 (1981-06-01), Lane
patent: 4272392 (1981-06-01), Lane
patent: 4273666 (1981-06-01), Lane
Chem. Abstracts, vol. 86, 123744d, "Composite Heat Preserver", Japan Kokai 76-126,980, Nov. 1976.
Yoneda, N., et al.; "Eutectic Mixtures for Solar Heat Storage", Solar Energy, vol. 21, pp. 61-63, 1978.

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