Process for the manufacture of hydrophilic polyester fibers

Details Process for the manufacture of hydrophilic polyester fibers Process for the manufacture of hydrophilic polyester fibers

D - Textiles, Paper

01

F

18/622

D01F 6/62 (2006.01) D01F 6/92 (2006.01) D06M 13/292 (2006.01)

Patent

CA 1229706

PROCESS FOR THE MANUFACTURE OF HYDROPHILIC POLYESTER FIBERS ABSTRACT OF THE DISCLOSURE Polyester fibers containing one or more oxalate com- plexes of the general formula Image are drawn and subjected to a hydrosetting process at temperatures of 90 to 170°C in the presence of liquid water, the water con- taining one or more of the following surfactants: salts of partial esters of phosphoric aid, sulfosuccinic aid esters, phosphonic acid esters as well as ethoxylated silicon compounds, ethoxylated fatty alcohols, polyglycol esters of fatty acids as well as various imidazole salts of partially or completely hydrogenated imidazoles. In this way the hydrosetting process is accelerated and a more stable pore structure is obtained. Water absorption and retention are also increased.

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