C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/08 (2006.01) A41D 31/00 (2006.01) C09K 5/14 (2006.01) H01L 23/427 (2006.01)
Patent
CA 2344120
The present invention relates to compositions for storing heat energy in the form of heat of phase transition, and to their use. The compositions of the invention for storing heat comprise at least one heat storage material and at least one auxiliary and are characterized in that the composition comprises at least one heat storage material which has at least one solid/solid phase transition and is solid throughout the application range. Preferred heat storage materials are compounds which conform to the empirical formula Image in which R1, R2, R3 and R4 each independently of one another are selected from the group consisting of the radicals H, C1-C30 alkyl and C1-C30 hydroxyalkyl and X n- is selected from the group of the monoatomic and complex inorganic anions, preferably from the group consisting of fluoride, chloride, bromide, iodide, nitrate, chlorate, perchlorate, (hydrogen) sulfate, ((di-)hydrogen) phosphate, tetrachlorochromate, tetrachloromanganate, tetrachlorocadmate, tetrachloropalladate and tetrachloroferrate or from the group of organic anions, especially organic acid anions, such as formate, acetate, propionate, butyrate, caprate, stearate, palmitate, acrylate, oleate, oxalate, malonate, succinate, glutarate, benzoate, 2-nitrobenzoate, salicylate and phenylacetate, n resulting from the ionic charge of the anion.
Gally Joachim
Glausch Ralf
Heider Udo
Lotz Natascha
Neuschutz Mark
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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