Aqueous heat-storage compositions containing fumed silicon dioxi

Details Aqueous heat-storage compositions containing fumed silicon dioxi Aqueous heat-storage compositions containing fumed silicon dioxi

1979-03-20

1980-12-02

Pitlick, Harris A.

Compositions

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

126400, C09K 506

Patent

active

042370230

ABSTRACT:
Aqueous heat-storage compositions useful in space heating applications are disclosed which contain a phase-change material which absorbs and stores heat as it is heated above its phase-change temperature and releases stored heat as it is cooled below its phase-change temperature. These compositions include fumed silicon dioxide which acts as a stabilizing agent and provides dramatically prolonged heat-storage efficiency for these compositions as they undergo repetitive cycling through their phase-change temperature. Articles containing such compositions and methods of forming such compositions are additionally disclosed.

REFERENCES:
patent: 2803115 (1957-08-01), Shepherd
patent: 3720198 (1973-03-01), Laing et al.
patent: 3986969 (1976-10-01), Telkes
Johnson, "Lightweight Thermal Storage for Solar-Heated Buildings"; Solar Energy, 19, pp. 669-675, (1977).
"Chemical Mixture Creates `Midnight Sun`", Chemical Week, Mar. 1, _1978, pp. 34-35.
Telkes, "Storage of Solar Heating/Cooling", Ashrae Trans., vol. 80, Part II, (1974).

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