PROCESS FOR THE PRODUCTION OF FIREPROOF POLYACRYLATE FIBRE WITH A LOW EMISSION OF TOXIC FUMES, UNIFORMLY DYED, AND ACRYLIC FIBRES THUS OBTAINED

PROCESS FOR THE PRODUCTION OF FIREPROOF POLYACRYLATE FIBRE WITH A LOW EMISSION OF TOXIC FUMES, UNIFORMLY DYED, AND ACRYLIC FIBRES THUS OBTAINED

Process for the production of fireproof polyacrylate fibre with a low emission of toxic fumes, uniformly dyed, which includes dissolving a copolymer of acrylonitrile in a solvent, containing an organic pigment, treating the solution to produce a pigmented acrylic fibre and subjecting the pigmented f...

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Bibliographische Detailangaben
Hauptverfasser: GONZATO, CARLO, TEDESCO, RAFFAELE, BATTLE MARTI, JUAN, SALVIO, GIUSEPPE
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
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:Process for the production of fireproof polyacrylate fibre with a low emission of toxic fumes, uniformly dyed, which includes dissolving a copolymer of acrylonitrile in a solvent, containing an organic pigment, treating the solution to produce a pigmented acrylic fibre and subjecting the pigmented fibre to crosslinking, hydrolysis, acidification and neutralization treatment. L'invention porte sur la fabrication de fibre de polyacrylate uniformément teinte, à l'épreuve du feu et faible émission de fumées toxiques. La fabrication consiste à dissoudre un copolymère d'acrylonitrile dans un solvant contenant un pigment organique ; à traiter la solution pour produire une fibre acrylique pigmentée ; et à soumettre la fibre pigmentée à un traitement de réticulation, d'hydrolyse, d'acidification et de neutralisation.