Soft, strong hydraulically entangled nonwoven composite...

Details Soft, strong hydraulically entangled nonwoven composite... Soft, strong hydraulically entangled nonwoven composite...

D - Textiles, Paper

04

H

D04H 1/46 (2006.01) A47K 7/00 (2006.01) A47L 13/16 (2006.01) B31F 1/12 (2006.01) D04H 11/08 (2006.01)

Patent

CA 2305552

A method of making a nonwoven composite material. The method includes the steps of providing a hydraulically entangled web containing a fibrous component and a nonwoven layer of substantially continuous filaments, applying a bonding material to at least one side of said web, and creping the at least one side of the hydraulically entangled web. The bonder material may be an aqueous mixture including a curable latex polymer, a pigment, and a cure promoter. Also disclosed is a nonwoven composite material made of a hydraulically entangled web including a fibrous component, a nonwoven layer of substantially continuous filaments, and regions containing bonder material covering at least a portion of at least one side of the composite material, where at least one side of the web has been creped.

Procédé de production d'un matériau composite non tissé. Le procédé comprend les étapes consistant à produire une bande enchevêtrée de manière hydraulique contenant une composante fibreuse et une couche non tissée de filaments sensiblement continus, à appliquer une matière de liaison sur au moins une face de ladite bande, et à crêper au moins ladite face de la bande enchevêtrée de manière hydraulique. La matière liante peut être un mélange aqueux contenant un polymère au latex durcissable, un pigment ainsi qu'un promoteur de durcissement. L'invention concerne également un matériau composite non tissé constitué d'une bande enchevêtrée de manière hydraulique renfermant une composante fibreuse; une couche non tissée de filaments sensiblement continus ainsi que des régions contenant une matière liante recouvrant au moins une partie d'au moins une face du matériau composite, au moins une face de la bande ayant été crêpée.

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