Production of non-woven fibrous articles

Details Production of non-woven fibrous articles Production of non-woven fibrous articles

D - Textiles, Paper

04

H

18/561, 18/586

D04H 1/00 (2006.01) A61L 15/60 (2006.01) D01D 5/04 (2006.01) D04H 1/56 (2006.01) D04H 1/72 (2006.01)

Patent

CA 1295103

PF 50-01-1961 Abstract Superabsorbent articles in the form of soft, nonwoven fibrous webs are produced from aqueous,fiber- forming polymer solutions by forming the polymer into water soluble filaments, contacting the filaments with a primary air stream having a velocity effective to attenuate and to partially dry the filaments, contact- ing the attenuated filaments with a secondary air stream having a velocity effective to fragment the filaments into fibers and to transport the fibers to a web-forming zone while also further attenuating and drying the fibers, collecting the fibers in reticulated web-form in the web-forming zone and curing the web to a water insoluble state. The temperature and air stream velocities are controlled with respect to am- bient humidity and water content of the fiber during the fiber and web formation such that the fibers are collected without sticking. Collection is preferably on a wire belt followed by transport through a curing oven to compacting rolls and web take-up.

567802

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