POLYVINYL ALCOHOL-BASED FIBER AND METHOD FOR IMPROVING WATER DISPERSIBILITY OF POLYVINYL ALCOHOL-BASED FIBER

PROBLEM TO BE SOLVED: To provide PVA-based fibers which scarcely agglutinate each other and have excellent water dispersibility, to provide a method for effectively improving the water dispersibility of the PVA-based fibers, and to provide paper obtained from the fibers. SOLUTION: The polyvinyl alco...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO YOICHI, HIKASA JUNICHI, YAMAMOTO AKIRA
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 IMPREGNATING OR COATING OF PAPER METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide PVA-based fibers which scarcely agglutinate each other and have excellent water dispersibility, to provide a method for effectively improving the water dispersibility of the PVA-based fibers, and to provide paper obtained from the fibers. SOLUTION: The polyvinyl alcohol-based fibers comprise a vinyl alcohol-based polymer and have many projections formed on the surfaces of the fibers. Therein, the average height of the projections is 0.1 to 10% of the diameters of the fibers, and portions corresponding to 1 to 30% of particles contained in the fibers are deposited on the surfaces of the fibers to form the projections.