Cellulose-based polymer blend filaments spun from N-methylmorpholine-N-oxide

The influence of a small addition (<15 wt.-%) of an aromatic polyamide [poly(2,6-dichloro-1,4-phenylene terephthalamide) (P26ClPTA)] as additive on the textile-physical properties of cellulose filaments was investigated. The blend filaments were spun from homogeneous blend solutions prepared in the common solvent N-methylmorpholine-N-oxide. Most of the estimated properties of blend filaments containing not more than 10 wt.-% of P26ClPTA do not differ significantly from those of pure cellulose filaments. However, the wet abrasion resistance attains a maximum at a P26ClPTA content of 10 wt.-%. At higher P26ClPTA content the fibrillation tendency of the blend filaments is increased. Coincidentally, a decrease of tenacity and wet abrasion resistance was obtained.