Development of a Method of Concentrating High Modulus,Open-End Fibers Into a Yarn,

摘要

A single slurry vortex spinning apparatus was developed to form a multi-component yarn. The design of the apparatus was based on developments in the textile industry to produce yarn by means of open-end spinning. A slurry of dispersed fibers was transferred to the spinning zone of the device,and as it passed through a rapidly rotating tube,the hydrodynamic action twisted the fibers into a yarn. The device was demonstrated with uncrimped textile staple,and integral mixtures of high modulus fibers with the lower modulus synthetic fibers. The yarn issuing from the rotating tube was snubbed by a roller,washed free of the suspending liquid,and collected on a take-up drum. A summary of open-end spinning systems described in the literature is included. Also,the equations required to describe the hydrodynamic process are presented.