First Cellulose-based Micro- und Supermicro-Fibres Produced as Continuous Yarn for the Weaving and Knitting Technology

A novel direct-wet-spin process was developed and patented by the German Institute of Textile Chemistry and Chemical Fibres (ITCF) in Denkendorf, which allows for the first time the cost-efficient production of micro- and supermicro-fibres of less than 0.1-0.5 dtex (fibre surface about 1 – 4 m2/g) from cellulose and cellulose-2.5-acetate in the form of a continuous fibre in a single step process. The fibres can be stored as staple fibres or wound up as a continuous fibre for further processing.

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