Thermal energy storage compositions

Details Thermal energy storage compositions Thermal energy storage compositions

1984-06-18

1985-08-27

Lieberman, Paul

Compositions

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

252 62, 264 5, 428402, 525916, 525936, 526328, 526909, C09K 318

Patent

active

045376956

ABSTRACT:
Thermal energy storage compositions comprise a thermal energy storage material, for instance an inorganic hydrate that can undergo a change of hydration with accompanying release or storage of latent heat of hydration at a temperature of 10.degree. to 100.degree. C., held in a matrix of polymeric material, generally acrylic polymer. In one aspect of the invention the composition is in particulate form and so can, for instance, be poured into the heat exchanger in which it is to be used. In another aspect of the invention the storage material includes polyvalent metal ions and the polymeric material is a cationic polymer. In another aspect of the invention the composition is made by forming a solution, generally in water, of all the polymerizable material and most or all of the storage material and then polymerizing the polymerizable material in this solution. The solution is generally a low viscosity fluid and polymerization may be conducted in the heat exchanger vessel in which the composition is to be used.

REFERENCES:
patent: 3576760 (1971-04-01), Gould et al.
patent: 4003426 (1977-01-01), Best et al.
patent: 4176655 (1979-12-01), Levy
patent: 4209413 (1980-06-01), Kent et al.
patent: 4221259 (1980-09-01), Ronc et al.
patent: 4270600 (1981-06-01), Bourdin

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