Compositions – Frost-preventing – ice-thawing – thermostatic – thermophoric,...
Patent
1979-07-12
1980-11-04
Pitlick, Harris A.
Compositions
Frost-preventing, ice-thawing, thermostatic, thermophoric,...
C09K 506
Patent
active
042318858
ABSTRACT:
Peat moss is used in a thermal energy storage composition to provide a network in which to trap an incongruently melting salt hydrate capable of storing thermal energy as latent heat of phase change. The peat moss network is effective in preventing the segregation of a dehydrated form of the salt between heating and cooling cycles. In a preferred embodiment that salt hydrate is the decahydrate of sodium sulphate. A nucleating agent such as sodium tetraborate decahydrate is included to prevent supercooling in the composition, and promote crystallization of the decahydrate of sodium sulphate.
REFERENCES:
patent: 3986969 (1976-10-01), Telkes
Johnson Ernest Peter
Pitlick Harris A.
Saskatchewan Minerals
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