Moisture responsive materials, methods of making and methods of use
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United States of America Patent
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Mar 16, 2021
Grant Date -
Feb 22, 2018
app pub date -
Aug 18, 2017
filing date -
Aug 19, 2016
priority date (Note) -
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Abstract
A moisture responsive system comprising: a thin film polymer layer, wherein the thin film polymer comprises a hydrophilic polymer; and a substrate polymer layer, wherein the substrate polymer comprises a hydrophobic elastomer; wherein the thin film polymer layer is attached to the substrate polymer layer at a bottom surface of the thin film polymer layer and the thin film polymer layer has a top surface opposing the bottom surface is provided. A method of making a moisture responsive system, comprising: applying a thin film polymer layer to a foundation; applying a substrate polymer layer on the thin film polymer layer; curing the substrate polymer layer to form a thin film polymer layer/substrate polymer bilayer; and removing the thin film polymer layer/substrate polymer bilayer from the foundation is provided. A method of using such a moisture responsive system by applying moisture to the moisture responsive system is provided.
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