Production of fiber webs by the airlaid process

Details Production of fiber webs by the airlaid process Production of fiber webs by the airlaid process

D - Textiles, Paper

04

H

D04H 1/60 (2006.01)

Patent

CA 2306514

Disclosed is a process for producing fiber webs by the airlaid process of laying down the fibers and the pulverulent binder in an air stream, which includes a first step of laying a fiber web or fibers up to a basis weight of 10 to 50 g/m2, a subsequent step of laying down fibers and a thermoplastic polymer powder based on polymers of one or more monomers such as a vinyl ester or a (meth)acrylic ester separately or as a mixture in the air stream in an amount of 10 to 300 g/m2 and, if appropriate, repeating this step until the desired basis weight is obtained, and consolidating the fiber material at temperatures of. 80°C to 260°C and, if appropriate, at a pressure of up to 100 bar.

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