D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
18/507
D04H 1/44 (2006.01) D04H 1/46 (2006.01) D04H 1/56 (2006.01) D04H 3/10 (2006.01)
Patent
CA 1311889
ABSTRACT OF THE DISCLOSURE: Process for the production of consolidated nonwoven fabrics for the absorption of water and/or substances with oleophilic and/or lipophilic properties by blow-spinning a melt or a solution of a spinnable polymeric material to textile fibers and/or filaments, namely those with a diameter of 0.1 to 6 µm, preferably 0.5 to 3 µm, transforming these textile fibers and/or filaments to a nonwoven fabric, consolidating this fabric and applying a wetting agent to the fabric, as well as nonwoven fabrics produced in this manner. According to the process the consolidation is carried out by means of water jets; a zwitterionic or cationic surfactant is applied to the fabric in a wet-in-wet procedure during or immediately after the water-jet consolidation, and the fabric is then dried; these procedures are performed continuously. A polyester or a polyamide is used preferentially as polymeric material. In comparison with known nonwovens of this kind, those accord- ing to the invention have a larger active absorbent surface area, improved strength characteristics and, among other things, an improved textile drape and feel.
546143
Albien Klaus
Maurer Gunter
Rhone-Poulenc Rhodia Aktiengesellschaft
Robic
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