Acrylic shrinkable fiber and process for producing the same

Acrylic shrinkable fibers which have a high degree of shrinkage even after dyeing and assume a satisfactory color. The acrylic shrinkable fibers, which can be dyed in a satisfactory color and have a high degree of shrinkage even after dyeing, are characterized by being obtained by spinning a dope co...

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Bibliographische Detailangaben
1. Verfasser:	NISHIDA SOHEI,KAWAMURA KOHEI,EBISU TOSHIAKI
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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Acrylic shrinkable fibers which have a high degree of shrinkage even after dyeing and assume a satisfactory color. The acrylic shrinkable fibers, which can be dyed in a satisfactory color and have a high degree of shrinkage even after dyeing, are characterized by being obtained by spinning a dope containing a polymer obtained by copolymerizing methallylsulfonic acid. The acrylic shrinkable fibers are produced from a dope containing a polymer composition obtained by blending a polymer (A) comprising units derived from acrylonitrile and a halogenated and sulfonated monomer with a polymer (B) comprising units derived from acrylonitrile, an acrylic ester, sodium methallylsulfonate, and other sulfonated monomer.