ANTIBACTERIAL POLYVINYL ALCOHOL FIBER, ITS PRODUCTION AND CONSTRUCTION

ANTIBACTERIAL POLYVINYL ALCOHOL FIBER, ITS PRODUCTION AND CONSTRUCTION

PROBLEM TO BE SOLVED: To obtain an antibacterial polyvinyl alcohol fiber capable of keeping high antibacterial potency over a long period and having excellent fiber performance and appearance by wet-spinning a polyvinyl alcohol spinning dope containing a silver halide. SOLUTION: Silver chloride is p...

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Hauptverfasser: YAMAMOTO YOICHI, HIKASA JUNICHI, YAMAMOTO AKIRA
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Sprache:eng
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APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
TEXTILES
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creator YAMAMOTO YOICHI
HIKASA JUNICHI
YAMAMOTO AKIRA
description PROBLEM TO BE SOLVED: To obtain an antibacterial polyvinyl alcohol fiber capable of keeping high antibacterial potency over a long period and having excellent fiber performance and appearance by wet-spinning a polyvinyl alcohol spinning dope containing a silver halide. SOLUTION: Silver chloride is produced by mixing a silver nitrate solution having a silver ion concentration of 0.01-10 wt.% with a halogen solution such as sodium chloride having a halogen ion concentration corresponding to 0.8-1.5 times the silver ion concentration of the former solution. The obtained silver chloride is dispersed in a polyvinyl alcohol solution and the dispersion is added to a polyvinyl alcohol solution to prepare a spinning dope having a silver content of 0.001-5 wt.%. The objective antibacterial polyvinyl alcohol fiber is produced by the wet-spinning of the spinning dope followed by drying and thermal drawing.
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subjects APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
TEXTILES
title ANTIBACTERIAL POLYVINYL ALCOHOL FIBER, ITS PRODUCTION AND CONSTRUCTION
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