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

1981-11-20

1983-09-27

Albrecht, Dennis L.

Compositions

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

16510421, C09K 506

Patent

active

044068050

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: 2706716 (1955-04-01), Howe et al.
patent: 4189394 (1980-02-01), Schroder
patent: 4241782 (1980-12-01), Schoenfelder
patent: 4272391 (1981-06-01), Lane et al.
patent: 4272392 (1981-06-01), Lane et al.
patent: 4273666 (1981-06-01), Lane et al.
patent: 4283298 (1981-08-01), Lane
Chem. Abstracts, vol. 86; 1234744d, "Composite Heat Preserver", Japan Kokai 76-126,980, Nov. 1976.
General Chemistry Applications, Week A30, p. 17, "Heat Storing Compsn. for Heating Rooms", J5 3070-989, Seki E33.
Yoneda, N. et al., "Eutetic Mixtures for Solar Heat Storage", Solar Energy, vol. 21, pp. 61-63, 1978.

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