Phase Change Material for Ultra-Low Temperature Protection
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Jun 16, 2023
filing date -
Jun 16, 2023
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Abstract
A composition is disclosed of 40% to 55% by weight inorganic bromide salt (ammonium bromide, sodium bromide, potassium bromide, or calcium bromide); 50% to 60% by weight demineralized water; and 0.5% to 2% by weight nucleating agent. The composition has a melting point of about −65° C. to about −75° C. Also disclosed are methods of making the composition, a phase change material (PCM) including the composition in a container, and methods of use.
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