Polyacrylonitrile filament yarns

Details Polyacrylonitrile filament yarns Polyacrylonitrile filament yarns

D - Textiles, Paper

01

D

18/612

D01D 5/04 (2006.01) D01D 5/16 (2006.01) D01F 6/18 (2006.01)

Patent

CA 1097867

Polyacrylonitrile filament yarns The invention relates to dry-spun polyacrylonitrile filament yarns having a tensile strength of at least 47 cN/tex and an individual filament denier of at most 1.6 dtex and preferably an overall denier of 20 to 145 tex as well as to a process for the production thereof by spinning, hot drawing and relaxing, wherein the spun filaments are drawn during spinning to such an extent that, after subsequent hot drawing in a ratio of from 1:6 to 1:10 and relaxation, the individual filaments have a denier of at most 1.6 dtex. Le A 17 726

293713

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