Global patent index - EP 1055763 A2

EP 1055763 A2 2000-11-29 - Method for the continuous steam treatment of a textile fabric to fix reactive dyestuffs on natural fibres

Title (en)

Method for the continuous steam treatment of a textile fabric to fix reactive dyestuffs on natural fibres

Title (de)

Verfahren zur kontinuierlichen Behandlung einer textilen Warenbahn mit Dampf zum Fixieren von Reaktivfarbstoff auf nativen Fasern

Title (fr)

Procédé pour le traitement continu à la vapeur d'une étoffe textile pour le fixage des colorants réactifs sur des fibres naturelles

Publication

EP 1055763 A2 (DE)

Application

EP 00110496 A

Priority

DE 19924433 A

Abstract (en)

Wet fabrics (1) are steamed after treating with reactive dyes by passing them through superheated steam at 150 to 230 degree in a horizontal path. Steam is blown from jet chambers (15) arranged above and below the fabric. The moisture content of printed fabrics is reduced from 15 - 25% to 3 -7%. The residence time in the chamber (12) is 5 to 60 secs, especially 10 to 20 secs. An Independent claim is also included for a steam treatment chamber (12) with jet chambers (15) and circulating fans (14). fabric (1) is carried through the chamber on a perforated conveyor (41) with 50 to 90% clear area.

Abstract (de)

Beim Farbfixieren von Reaktivfarbstoff auf nativen Fasern ist es bekannt, eine mit Druckpaste versehene, feuchte Warenbahn ohne Zwischentrocknung in Sattdampfatmoshäre zu dämpfen. Es werden verhältnismäßig lange Fixierzeiten und bei einem kontinuierlichen Verfahren Vorrichtungen mit einem entsprechend hohen Wareninhalt benötigt. Es soll ein Verfahren und eine Vorrichtung entwickelt werden, bei dem kleinere Warenmengen (kleinere Metragen) wirtschaftlich, kontinuierlich mit Farbstoff versehen und fixiert werden können. Erfindungsgemäß wird die Warenbahn mit Heißdampf in Kontakt gebracht. Die Warenbahn wird während der Dampfbehandlung zumindest teilweise horizontal durch mindestens eine Behandlungskammer transportiert, wobei der Heißdampf durch oberhalb und unterhalb der Warenbahn angeordnete Düsenkästen auf die Warenbahn aufgeblasen wird. Überraschenderweise ermöglicht dies eine schnellere Farbfixierung bei guter Farbausbeute und Farbqualität. Eine für kleinere Warenmengen geeignete Vorrichtung weist eine Transportvorrichtung mit einem horizontal geführten Förderband, das als Siebband ausgebildet ist, und eine Umluftvorrichtung mit oberhalb und unterhalb der Warenbahn angeordneten Düsenkästen auf. Farbfixieren von Reaktivfarbstoff auf nativen Fasern, insbesondere für bedruckte Warenbahnen. <IMAGE>

IPC 1-7 (main, further and additional classification)

D06B 19/00

IPC 8 full level (invention and additional information)

D06B 19/00 (2006.01); D06B 23/04 (2006.01); D06B 23/16 (2006.01)

CPC (invention and additional information)

D06B 23/04 (2013.01); D06B 19/0035 (2013.01); D06B 23/16 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1055763 A2 20001129; EP 1055763 A3 20020130; EP 1055763 B1 20061018; AT 302868 T 20050915; AT 343010 T 20061115; AT 382729 T 20080115; DE 10023721 A1 20010208; DE 10023722 A1 20001130; DE 50013624 D1 20061130; DE 50014901 D1 20080214; DK 1055763 T3 20070219; DK 1063337 T3 20060109; EP 1063337 A2 20001227; EP 1063337 A3 20020130; EP 1063337 B1 20050824; EP 1589141 A1 20051026; EP 1589141 B1 20080102; EP 1746191 A2 20070124; EP 1746191 A3 20070221; ES 2247977 T3 20060316; US 2002124327 A1 20020912; US 2002170118 A1 20021121; US 6471729 B1 20021029; US 6485526 B1 20021126; US 6591639 B2 20030715; US 7089767 B2 20060815

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