Process for improving the dyeability of nylon carpet fibers

Details Process for improving the dyeability of nylon carpet fibers Process for improving the dyeability of nylon carpet fibers

D - Textiles, Paper

01

D

18/626

D01D 10/00 (2006.01) D01F 6/80 (2006.01) D02J 13/00 (2006.01)

Patent

CA 1241164

Process for Improving The Dyeability of Nylon Carpet Fiber ABSTRACT OF THE DISCLOSURE The dyeability of carpet yarns prepared from random copolymers of nylon 66 and 6-12 wt. % nylon 6 is improved by subjecting the yarn to saturated steam at temperatures close to the melting point of the copolymer. The copolymers used in the invention have an amine end content of 30-80 gram equivalents per 1000 kilograms of polymer and a relative viscosity of 55-85 in filament form.

478938

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