Process for melt spinning acrylonitrile polymer hydrates

Details Process for melt spinning acrylonitrile polymer hydrates Process for melt spinning acrylonitrile polymer hydrates

D - Textiles, Paper

01

D

18/617

D01D 5/04 (2006.01)

Patent

CA 1123563

TITLE IMPROVED PROCESS FOR MELT SPINNING ACRYLONITRILE POLYMER HYDRATES ABSTRACT OF THE DISCLOSURE The melt spinning of acrylonitrile polymer hydrates is improved when the polymer used contains at least 91% by weight acrylonitrile units and up to 9% by weight of one or more copolymeric units and has an intrinsic viscosity of 0.6-2, 7-23 µ eq./g. enolizable groups after mild acid treatment, 15-70 µ eq./g. thioether ends derived from A water insoluble mercaptan and less than 3 µ eq./g. oxidizable hydrolysis fragments. QP-2331

342981

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