Process for producing preoxidized fiber spun yarns

D - Textiles – Paper – 01 – G

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D01G 99/00 (2010.01) D01F 9/22 (2006.01) D06M 11/34 (2006.01)

Patent

CA 1145127

T-10-24730C/KS/80 ABSTRACT OF THE DISCLOSURE A process for producing preoxidized fiber spun yarns is described comprising subjecting an acrylonitrile fiber tow to a preoxidation, applying a surface active agent, stretch cutting without crimping crimping to form slivers, processing in a gilling step, and spinning; according to this process, short fibers and powders of fibers are formed to a lesser extent, and nebs, slubs and flies, etc. are caused to a lesser extent, and preoxidized fiber spun yarns having high quality are obtained in a high yield.

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