METHOD FOR PRODUCING ACRYLIC FIBER

PROBLEM TO BE SOLVED: To suppress scattering of acrylonitrile in a spinning dope causing even worsening of the work environment into the air while ensuring operating efficiency over a long period. SOLUTION: An acrylic fiber is produced by reducing the amount of a monomer of a coagulation bath liquid...

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Bibliographic Details
Main Authors OGAWA FUMIO, OGUSHI TAKAHIRO, OZAKI MITSUTOSHI
Format Patent
LanguageEnglish
Published 25.03.2004
Edition7
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
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Summary:PROBLEM TO BE SOLVED: To suppress scattering of acrylonitrile in a spinning dope causing even worsening of the work environment into the air while ensuring operating efficiency over a long period. SOLUTION: An acrylic fiber is produced by reducing the amount of a monomer of a coagulation bath liquid discharged from a coagulation bath with a vacuum distillation apparatus and feeding the resultant coagulation bath liquid to the coagulation bath liquid. Thereby, spinning into the coagulation bath liquid with the suppressed monomer concentration is carried out. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020251334