| abstract |
The present invention is aimed at a method of providing wettability to polyester fibers or filaments, to woven or nonwoven fabrics made therefrom and to resultant articles of manufacture. The method comprises melt extruding a mixture comprising a polyester and one or more additives selected from the group consisting of phenylalkyl-oxy-alkyl metal sulfonates, alkyl-oxy-alkyl metal sulfonates,polyethyleneoxy-alkyl metal sulfonates,alkyl-polyethylene-oxy-alkyl metal sulfonatesandalkyl-1,2-disulfonate metal sulfonates into a plurality of fibers or filaments and cooling the fibers or filaments. |