Process for manufacturing a non-woven fabric by hydrodynamic needling, and product of said manufacturing process

摘要

PCT No. PCT/EP96/03130 Sec. 371 Date Jan. 22, 1998 Sec. 102(e) Date Jan. 22, 1998 PCT Filed Jul. 17, 1996 PCT Pub. No. WO97/44512 PCT Pub. Date Nov. 27, 1997It is known to make a nonwoven from polyvinyl alcohol fibers. The special advantage of these PVA fibers is their ability to dissolve in water. The fleece is therefore mechanically needled for compaction. The invention describes a method that allows hydrodynamic needling as well. Special parameters for further treatment during water needling and during subsequent drying characterize the additional features of the invention.