FIELD: chemistry.
SUBSTANCE: composition based on sodium acetate trihydrate (SAT) is provided as a source of heat, which is capable of heating the heated material contained in the device. The formulation contains SAT, a kinetic inhibitor, and a solvent. SAT is able to emit heat upon crystallization of a supercooled liquid. The kinetic inhibitor is designed to reduce the likelihood of a spontaneous or unintentional SAT phase transition. The kinetic inhibitor is selected from sodium salt of carboxymethylcellulose, gelatin, ethyl cellulose, polyethylene glycol, xanthan gum, glycerol, urea, polysorbate 20, polysorbate 80, polyacrylic acid, sodium pyrophosphate, polyacrylamide, pullulan, polyvinyl alcohol, and polyvinyl acetate.
EFFECT: increasing the stability of the composition and reducing the possibility of a supercooled liquid to spontaneous crystallization.
13 cl, 5 dwg, 1 tbl, 8 ex
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