Preparation of impregnated fiber webs

Details Preparation of impregnated fiber webs Preparation of impregnated fiber webs

D - Textiles, Paper

04

H

117/43

D04H 1/68 (2006.01) D21H 13/00 (2006.01) D21H 15/06 (2006.01) D21H 17/34 (2006.01) D21H 21/56 (2006.01) D21H 23/00 (2006.01)

Patent

CA 1055324

PREPARATION OF IMPREGNATED WEBS ABSTRACT OF THE DISCLOSURE A process is shown wherein an aqueous binder compo- sition, preferably a latex binder composition, is foamed and applied as a layer of controlled thickness on a transfer roll rotating above a moving fibrous web but out of touch with the latter whilst suction is applied below the web in the region of the roll to draw the foam off the roll and into the web The web is subsequently dried. The process produces webs of improved hand because impregnation is accomplished with only the foam coming into contact with the web.

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