C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/100, 31/34
C01B 17/64 (2006.01) C09K 5/06 (2006.01) F28D 20/02 (2006.01)
Patent
CA 1125493
Abstract of the Disclosure This invention relates to a method of producing articles which generate heat at a substantially constant temperature for an extended period of time ? which are able to remain in a stable state until such time as the generation of heat is desired. The method also relates to supercooled fluids produced by such methods. The method involves the processing of supercooled fluids such as hypo to produce this stable state. As a first step, a suitable material such as ethylene glycol may be added to the super- cooled fluid to stabilize the supercooled fluid and to decrease the generation of heat in the supercooled fluid to obtain a desired temperature. The mixture is then heated to a relatively high temperature considerably above the melting temperature of the supercooled fluid. With the mixture at the high temperature, water is added to provide a particular specific gravity and an alkali is added to provide a particular pH. The mixture may then be poured into rupturable pouches while being maintained at the high temperature. The mixture in the pouches is then allowed to cool slowly to ambient temperatures and is placed in a separate container with a triggering material.
312863
Allegiance Corporation
Borden Ladner Gervais Llp
LandOfFree
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