TREATMENT PROCESS FOR TEXTILE-BASED MATERIALS

The present invention relates to a process for treating textile-based materials, typically textile-based waste-materials, to prepare them for further use. The treatment includes two or more chemical and/or enzymatic treatment steps, including at least one alkaline treatment step, all intended to cau...

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Bibliographische Detailangaben
Hauptverfasser:	SIVONEN, EINO, HARLIN, ALI, SARKILAHTI, AIRI, VEHVILAINEN, MARIANNA, ASIKAINEN, SARI, VALTA, KYOSTI, MAATTANEN, MARJO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPARATUS THEREFOR CARBONISING RAGS TO RECOVER ANIMAL FIBRES CHEMICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIALTO OBTAIN FILAMENTS OR FIBRES FOR SPINNING CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF GENERAL PROCESSES OF COMPOUNDING METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS PAPER-MAKING POLYSACCHARIDES PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a process for treating textile-based materials, typically textile-based waste-materials, to prepare them for further use. The treatment includes two or more chemical and/or enzymatic treatment steps, including at least one alkaline treatment step, all intended to cause at least a partial dissolution of the textile-based material. Particularly, the process is used for the treatment of cotton-based waste materials. La présente invention concerne un procédé pour le traitement de matières à base de textile, généralement des déchets à base de textile, pour les préparer en vue d'une utilisation ultérieure. Le traitement comprend au moins deux étapes de traitement chimique et/ou enzymatique, comprenant au moins une étape de traitement alcalin, toutes destinées à provoquer au moins une dissolution partielle de la matière à base de textile. En particulier, le procédé est utilisé pour le traitement de déchets à base de coton.