HOT WATER-RESISTANT POLYVINYL ALCOHOL-BASED FIBER AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain the subject fibers suppressing lowering of strength, excellent in resistance to hot water and durability and useful for general industrial materials, etc., by drawing polyvinyl alcohol-based as spun fibers so as to have a crystal melting heat determined by differentia...

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Bibliographische Detailangaben
1. Verfasser:	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 FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WARPING OR BEAMING YARNS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain the subject fibers suppressing lowering of strength, excellent in resistance to hot water and durability and useful for general industrial materials, etc., by drawing polyvinyl alcohol-based as spun fibers so as to have a crystal melting heat determined by differential thermal analysis below a prescribed value and crosslinking under a specific condition. SOLUTION: Polyvinyl alcohol-based fibers having a crystal melting heat of =115 deg.C hot water-resistant temperature under no tension are obtained by drawing polyvinyl alcohol-based as spun yarns obtained by spinning so as to have a crystal melting heat determined by differential thermal analysis of =85 deg.C.