Hydrated Mg(NO.sub.3).sub.2 reversible phase change compositions

Details Hydrated Mg(NO.sub.3).sub.2 reversible phase change compositions Hydrated Mg(NO.sub.3).sub.2 reversible phase change compositions

1979-11-02

1981-06-16

Willis, Jr., P. E.

Compositions

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

126400, 165DIG4, 16510417, C09K 506

Patent

active

042736668

ABSTRACT:
A reversible liquid solid phase change composition comprising hydrated Mg(NO.sub.3).sub.2 and one of the group of Sr(OH).sub.2, SrCO.sub.3, Ba(OH).sub.2, BaO, BaCO.sub.3 and/or NaBO.sub.2 added to the composition in an effective amount to suppress supercooling of the MgNO.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 et al.
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), Shureliff
CA 87:70,385z; 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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