Improvements Relating to Carbon Fibre Precursors

A composition for use in the formation of a lignin-based carbon fibre precursor is disclosed. The composition is a blend of a lignin and at least 10 wt % of a thermoplastic elastomer. The thermoplastic elastomer may improve the mechanical properties of the lignin-based blend to the extent that conve...

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Bibliographische Detailangaben
Hauptverfasser:	Collins, Maurice, Rubio, Mario Culebras
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 CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A composition for use in the formation of a lignin-based carbon fibre precursor is disclosed. The composition is a blend of a lignin and at least 10 wt % of a thermoplastic elastomer. The thermoplastic elastomer may improve the mechanical properties of the lignin-based blend to the extent that conventional carbon fibre precursor formation processes can be carried out using the blend whereas said processes would have been problematic and/or failed when using only lignin to form the carbon fibre precursors. The thermoplastic elastomer is suitably a thermoplastic polyurethane. A carbon fibre precursor produced using the composition is also disclosed, as is a carbon fibre produced from said carbon fibre precursors. Methods of forming said carbon fibre precursors and carbon fibres are also disclosed.