POLYVINYLALCOHOL BASED FIBER CAPABLE OF HIGHLY DRAWING AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a polyvinylalcohol based raw thread capable of stably drawing in high speed at a high drawing rate. SOLUTION: The fiber is a raw thread based on polyvinyl alcohol including 0.2-15 wt.% of a surfactant having melting point of 20-100 deg.C, manifesting elongation >=2...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIMOCHI TOSHIMI, SATO MASAHIRO, SANO HIROFUMI
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 METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a polyvinylalcohol based raw thread capable of stably drawing in high speed at a high drawing rate. SOLUTION: The fiber is a raw thread based on polyvinyl alcohol including 0.2-15 wt.% of a surfactant having melting point of 20-100 deg.C, manifesting elongation >=200% in an atmosphere of 100 deg.C and the raw thread is obtained by including 0.2-15 wt.% of the surfactant having melting point of 20-100 deg.C between the spinning solution to before drying and applying shrinking treatment >=5% between the removal of the solvent and the end of the drying in the process dissolving polyvinyl alcohol in the solvent and spinning, drying after removing the solvent.