Reversible phase change composition for storing thermal energy

Details Reversible phase change composition for storing thermal energy Reversible phase change composition for storing thermal energy

C - Chemistry, Metallurgy

09

K

31/34

C09K 5/06 (2006.01)

Patent

CA 1242577

ABSTRACT OF THE DISCLOSURE A reversible liquid/solid phase change compo- sition for storing thermal energy. The composition comprises at least one hydrated inorganic salt selected from a salt or mixture of salts that are subject to segregation of its chemical components during repeated freezing and thawing cycles, and a surface active thickening agent in the form of a cationic surfactant and selected from an amine, salts of the amine, or a quaternary ammonium salt of the amine, wherein the thickening agent is present in the hydrated salt in an amount sufficient to form a micelle structure throughout the hydrated salt to prevent such segregation.

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