FIBRILLATED ACRYLIC FIBRE

Fibrillated acrylic fibres which are suitable for oxidation in the form of staple fibres are formed as copolymers of acrylonitrile and an unsaturated carboxylic acid such as itaconic acid or methacrylic acid. A further monomer may also be included, such as methacrylate, methylmethacrylate or vinyl a...

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Bibliographische Detailangaben
Hauptverfasser:	FAGGE, JOHN, HOLZINGER, ULRICH
Format:	Patent
Sprache:	eng ; fre
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 MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS
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Beschreibung
Zusammenfassung:	Fibrillated acrylic fibres which are suitable for oxidation in the form of staple fibres are formed as copolymers of acrylonitrile and an unsaturated carboxylic acid such as itaconic acid or methacrylic acid. A further monomer may also be included, such as methacrylate, methylmethacrylate or vinyl acetate. Fibres having a Canadian Freeness valve of 350-500, and a decitex value of 1.2 to 1.7 may be produced. On décrit des fibres acryliques fibrillées convenant pour une oxydation sous la forme de fibres discontinues. Ces fibres sont fabriquées sous forme de copolymères d'acrylonitrile et d'un acide carboxylique insaturé (acide itaconique ou acide méthacrylique, par exemple). On peut également ajouter à la composition un monomère supplémentaire, tel que le méthacrylate, le méthacrylate de méthyle ou l'acétate de vinyle. On peut ainsi produire des fibres présentant un indice d'égouttage de 350 à 500, et un décitex compris entre 1,2 et 1,7.