FIBER-ENCAPSULATED HYBRID MATERIALS FOR CAPTURE OF CARBON DIOXIDE

An encapsulated fiber composition (typically resulting from an electrospinning process) containing: (i) a lengthwise core portion of the fiber comprising an amine-containing material for adsorbing carbon dioxide; and (ii) a lengthwise sheath portion of the fiber surrounding said lengthwise core port...

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Bibliographische Detailangaben
Hauptverfasser:	Kidder, Michelle K, Joo, Yong L, Park, Ah-Hyung
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY NATURAL OR ARTIFICIAL THREADS OR FIBRES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPINNING TEXTILES THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	An encapsulated fiber composition (typically resulting from an electrospinning process) containing: (i) a lengthwise core portion of the fiber comprising an amine-containing material for adsorbing carbon dioxide; and (ii) a lengthwise sheath portion of the fiber surrounding said lengthwise core portion, wherein the lengthwise sheath portion comprises a microporous polymer. Particularly described are fiber compositions containing a nanoparticle organic hybrid material (NOHM) or organoamine or amine-containing sorbent (e.g., PEI or TEPA) in a core portion of the fiber and a polymer of intrinsic microporosity (PIM), such as PIM-1 or PIM-2, or PAN or PAN combined with a polysilazane or polysiloxane in a sheath portion of the fiber. A method of using the fiber composition to capture carbon dioxide, such as from ambient air, is also described.