Abstract
!~i ii :i~ Spinning fibres from solutions, melts and in the plasticized state through an air gap is practiced on an increasing scale. The new method offers scope for increasing the spinning speed, regulating the structure-forming processes and thus the physico-mechanical properties of the fibre, and in some cases for finding new solutions for the problems of solvent recovery and improving working conditions. The method is specially effective in spinning from anisotropic solutions when the relatively high spinning speed (200 400 m/min) can be combined successfully with the principal characteristic of the method , i.e. the high jet stretch (500 6OO~) followed rapidly by the setting of the oriented fibre state in the precipitation bath.
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