Thermoplastic polyurethane graphene oxide nanocomposites with enhanced mechanical behavior
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United States of America Patent
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Oct 6, 2020
Grant Date -
Apr 25, 2019
app pub date -
Oct 25, 2018
filing date -
Oct 25, 2017
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Abstract
A polymer nanocomposite composition, wherein nanoparticles, preferably graphene oxide, are well dispersed within a polymer matrix, preferably thermoplastic polyurethane in one embodiment. Affinity of the nanoparticles to one of the phases of the polymer matrix, preferably a hard segment of the thermoplastic polyurethane, provides enhanced mechanical properties. Processes for preparing the polymer nanocomposite compositions are described. In a preferred embodiment, an extensional dispersing element is included within the screw configuration of an extrusion process.
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