Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1997-09-22
1998-10-27
Mulcahy, Peter D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524417, 524423, 524424, C08J 536, C08J 310, C08J 330, C08J 332
Patent
active
058279156
ABSTRACT:
The invention provides a method for preventing supercooling of a latent heat storage composition comprising one peritectic salt hydrate selected from the group consisting of disodium hydrogenphosphate dodecahydrate, sodium thiosulfate pentahydrate, sodium carbonate decahydrate and sodium acetate trihydrate, water and a water-swellable crosslinking polymer. The latent heat storage composition has a constitution such that a temperature of secondary nucleation of the peritectic salt hydrate is higher than a temperature of secondary nucleation of a lower hydrate, and a part of the latent heat storage composition is always kept at a temperature the same as or lower than a melting point of the periteetic salt hydrate.
REFERENCES:
patent: 4252661 (1981-02-01), Friderichs et al.
Shin et al.; Phase Separation and Supercooling of a Latent Heat-storage Material; vol. 14, No. 12, UK Dec. 1989; pp. 921-930.
Ryu et al.; Prevention of Supercooling and Stabilization of Inorganic Salt Hydrates as Latent Heat Storage Materials; vol. 27, No. 2, Netherlands, pp. 161-172.
Derwent Publications Ltd., London, GB; AN 83-48003K & JP-A-58 060 198 (Matsushita), 9 Apr. 1983.
Gmelins Handbuch Nr.21, pp. 901-903 (1928).
Refrigerating Engineering vol. 60, pp. 719-721 and 794 (Jul. 1952).
Saita Kenji
Suzuki Yutaka
Mulcahy Peter D.
Sumitomo Chemical Company Limited
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