Process and means for absorbing and releasing thermal energy by

Details Process and means for absorbing and releasing thermal energy by Process and means for absorbing and releasing thermal energy by

1977-01-17

1978-07-11

Pitlick, Harris A.

Compositions

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

126270, 126400, 165104S, 165104M, 2603466, C09K 500

Patent

active

041000919

ABSTRACT:
Thermal energy, in particular, solar energy is absorbed and released by utilizing the allotropic change of endo-5-norbornene-2,3-dicarboxylic acid anhydride with heat. The thermal energy is absorbed above 90.degree. C, stored above 40.degree. C, and released at temperatures below 40.degree. C.

REFERENCES:
patent: 1944731 (1934-01-01), Diels et al.
patent: 2423234 (1947-07-01), Gerhart et al.
Destro et al., "The Molecular Structure of S-Norbornene-2,3 Endo-Dicarboxylic Anhydride", Tetrahedron Letters, No. 57, Pergamon Press, 1968, 5955-5958.

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