Hydrated Mg(NO.sub.3).sub.2 /NH.sub.4 NO.sub.3 reversible phase

Details Hydrated Mg(NO.sub.3).sub.2 /NH.sub.4 NO.sub.3 reversible phase Hydrated Mg(NO.sub.3).sub.2 /NH.sub.4 NO.sub.3 reversible phase

1979-11-02

1981-08-11

Willis, Jr., P. E.

Compositions

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

126400, 165DIG4, 16510417, C09K 506

Patent

active

042832985

ABSTRACT:
A reversible liquid solid phase change composition comprising Mg(NO.sub.3).sub.2.6H.sub.2 O/NH.sub.4 NO.sub.3, and one of the group of MgO, CaO, Mg(OH).sub.2, and/or Ca(OH).sub.2, added to the composition in an effective amount to suppress supercooling of the Mg(NO.sub.3).sub.2.6H.sub.2 O/NH.sub.4 NO.sub.3 liquid phase.

REFERENCES:
patent: 2677664 (1954-05-01), Telkes
patent: 2706716 (1955-04-01), Howe et al.
patent: 2856506 (1958-10-01), Telkes
patent: 3536059 (1970-10-01), Hearst
patent: 3973552 (1976-08-01), Ervin
patent: 4003426 (1977-01-01), Best et al.
patent: 4109702 (1978-08-01), Greene
patent: 4117882 (1978-10-01), Shurcliff
Ca 87:70385z; Ca 86:19534z.
Yoneda et al., "Eutectic Mixtures for Solar Heat Storage," Solar Energy, vol. 21, pp. 61-63, 1978.
Public Disclosure, NSF/RANN Contract No. NSF-C906.

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