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Contenido archivado el 2024-04-19

Development of printing and continous finishing operations for knitted fabrics, based on a new machine concept

Objetivo

At present the majority of the finishing and dyeing operations of knitted materials are performed in batch processes. The main reason is that for continuous processes (e.g. foulard impregnation) high tension are put on the material and knitted goods are very sensitive to it. This can result in a permanent disorientation of the knitted structure and in a poor shrink resistance during home laundering.

Based on a machine concept originally developed for paper processing, it seems possible to treat delicate goods continuously with minimum tension. The aim of the study is to adapt the machine concept for processing knitted materials, both for printing and all kinds of finishing operations.
In general we can conclude that the printers and finishers in the project have succeeded in optimising the implementation of the magno-roll systems in their production. A better knowledge and control of the systems is obtained and the number of potential applications could be increased considerably.

Firms which will invest in the technology and in the developed know-how can come much faster to an optimal use of the systems and will benefit from the economical and ecological advantages.

The combined pigment dyeing and wet on wet printing offer enormous advantages compared to the traditional discontinuous (reactive) dyeing and printing in separated steps. Confection, especially the automated sewing, can benefit from the improved processability and quality of the final products due to the improved finishing operation. Also the growing field of technical knitted textiles can benefit from the increased possibilities and quality of the finishing operation.
The process could be integrated in the continuous thermofixation process which is performed as a last treatment in the production of knitted goods.

The major advantages that are envisaged, are situated in the field of produc-tivity, flexibility, quality, economics in energy and chemicals and especially the environment. In a bath finishing process up to 50 % of the chemicals applied are discharged with the waste water, while a continuous process can be operated with zero pollution. Also some of the bath dyeing processes, highly polluting the environment, might be replaced by a cheap pigment printing process having zero pollution.

Ámbito científico (EuroSciVoc)

CORDIS clasifica los proyectos con EuroSciVoc, una taxonomía plurilingüe de ámbitos científicos, mediante un proceso semiautomático basado en técnicas de procesamiento del lenguaje natural. Véas: El vocabulario científico europeo..

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Coordinador

CENTEXBEL
Aportación de la UE
Sin datos
Dirección
Grotesteenweg Noord 6
9052 Zwijnaarde
Bélgica

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