THERMOCHROMIC COMPOSITE MATERIAL, ITS PREPARATION AND USE
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United States of America Patent
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Issued Date -
Aug 4, 2022
app pub date -
Feb 1, 2022
filing date -
Feb 2, 2021
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Abstract
A composite material comprising a substrate body having a mesoporous structure defined by a network of interconnected fibers; and a thermochromic material including a hydrogel complex filling the mesoporous network, the hydrogel complex including a first polymer being a thermoresponsive hydrogel; wherein the thermochromic material undergoes an increase or a decrease of transparency in response to an external temperature exceeding or falling below a critical transition temperature of the thermochromic material, thereby changing an overall transparency of the composite material. A method of preparing the composite material of some embodiments of the present invention. Use of the composite material of some of the embodiments of the present invention for forming an article. Also a window unit including the composite material of some of the embodiments of the present invention.
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