POLY(HYDROXY)URETHANES FOR ENCAPSULATING PHASE CHANGE MATERIALS AND METHODS OF MAKING THE S
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United States of America Patent
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Issued Date -
Sep 12, 2024
app pub date -
Feb 23, 2024
filing date -
Feb 23, 2023
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Abstract
The present disclosure relates to a composition that includes a poly(hydroxy)urethane (PHU) foam, a phase change material (PCM), and a solid additive, where the PHU foam includes a plurality of voids, at least a portion of the voids contain the PCM and the solid additive, and the composition is capable of being repeatedly cycled through a temperature range, resulting in the PCM cycling between a solid phase and a liquid phase. In some embodiments of the present disclosure, the PCM may include at least one of a hydrated salt, a paraffin wax, a sugar alcohol, a fatty acid, and/or a eutectic mixture.
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