Sorbent-loaded fibers for high temperature adsorption processes
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United States of America Patent
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Nov 3, 2020
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app pub date -
Dec 20, 2019
filing date -
Apr 17, 2017
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Abstract
A composite fiber comprising sorbent particles (at 50 wt %) in a polymeric matrix that comprises a polymer or blend of polymers including at least one thermoplastic polymer, the extrudates being produced by thermal-induced phase separation or diffusion-induced phase separation from a dope suspension of the thermoplastic polymer, an optional solvent and the sorbent particles. The polymer or blend of polymers is able to withstand exposure to temperatures at or above 220° C. without experiencing significant detrimental effects upon the sorbent capacity of the sorbent particles. The fiber exhibits an elongation at break of at least 5%.
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