Solutions de procédé axées sur l'industrie

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A Jakob Müller Company

www.mueller-frick.com

L'industrie de la fibre

Pour l'industrie de la fibre, LIST a développé et mis au point plusieurs procédés industriels pour produire des solutions (dope) pour le filage de fibres naturelles (à base de cellulose) et synthétiques.

Dans l'industrie de la fibre, le défi principal du procédé consiste en la dissolution homogène d'une matière première dans une solution de filage (spinning dope) visqueuse, sans défaut et exempte de bulles. La très bonne qualité des solutions de filage LIST rend toutes les étapes de procédé en aval plus simple et aide à améliorer l'économie de l'installation.

Les fabricants de fibres confirment que les fibres filées à partir d'une solution de filage LIST se démarquent par des qualités supérieures par rapport aux fibres produites par des méthodes conventionnelles.

En outre, il est possible d'appliquer la solution de procédé LIST pour produire des fibres fonctionnalisées et innovantes.

Exemples

  • Fibres à base de cellulose (Lyocell)
  • Fibres synthétiques (Aramide, Polyacrylonitrile (PAN))

Téléchargements

Titel Beschreibung Sprache Jahr Download
Perfect dissolving technology for very good fiber quality For decades, conventional polymerisation has been the norm in the production of elastomers. The time and cost involved in removing and treating solvents in the final stages of production were acceptable. Yet as pressure builds on manufacturers to reduce operating costs, there is greater urgency to develop processes that can help streamline costs and production techniques. One such effort has yielded extremely promising results. English 2015
Perfect fiber quality from perfect dissolving technology Fiber, filament, flies and foil are the final products of a complex process of mixing, dissolving, spinning, washing and drying of raw material. Many specialists believe that the spinning part is the only relevant processing step for the final fiber quality. This belief falls short, as the fiber quality also depends on the dissolving step before the spinning step. English 2014
Improved Lyocell dissolving system The Iyo cell fiber process is developed to transform cellulose to a man-made cotton-like fiber. The lyocell process includes a number of processing steps. The dissolving step is the most important one. It represents the heart of the lyocell technology. Kneaders developed by List AG, Arisdorf/Switzerland, are successfully applied for the continuous dissolving step whereby raw materials of different origin can be processed and transferred into a spinabie dope. English 2006
Process flexibility and process safety As world consumption of textile fibers expands with the rapid growth of Asia and other developing countries, sources of fibers other than cotton and rayon must be developed and brought to market to meet demand. Cellulose fibers (Lyocell fibers) can meet these expanding needs because of the specific qualities and characteristics of the fiber, as well as the vast availability of the raw materials. English 2004
Innovative Weiterentwicklung der Lyocell Tehnologie Der LYOCELL-Prozess ist eine moderne umweltfreundliche Möglichkeit zur Umwandlung von verschiedensten cellulosischen Rohmaterialien der Natur in Fasern, Filamente und Folien zur weiteren Verarbeitung in der Textilindustrie, der Verpackungsindustrie oder als Strukturbildner in technischen Anwendungen. Die Nassreißfestigkeit der LYOCELL-Faser übertrifft sogar die der Bauwollfaser. Deutsch 2004
Optimization of cellulose dissolution stage LIST further optimized the cellulose dissolution technology, which was introduced in 1992. This succeeded the production of excellent spinning solution qualities, produced from a variety of low cost raw materials. The technology fulfils the current high safety standards. English 2001
Continous dissolution process of cellulose in NMMO A new dissolution process for cellulose spinning solution was developed. As Basis for the new process served the classic cellulosic fiber production process. In the last 30 years or so the conventional viscose process became environmentally critical. Evaluated with regard to its environmental viability it was found to create considerable water and air pollution. This conclusion ignited the research and development of new technologies with less environmental impact. English 1999