Fibrous web having improved strength and method of making...

Details Fibrous web having improved strength and method of making... Fibrous web having improved strength and method of making...

D - Textiles, Paper

04

H

D04H 1/64 (2006.01) A61F 13/15 (2006.01) A61L 15/60 (2006.01) D04H 1/54 (2006.01)

Patent

CA 2213449

A web of fibers is bound together by a bonding medium that has been activated by partially solubilizing the bonding medium with a solvent therefor. The fibers are insoluble in the bonding medium. As the bonding medium is partially solubilized, it becomes tacky and flows into contact with the fibers and with itself. Thereafter, the solvent is absorbed by the bonding medium, allowing the bonding medium to resolidify and bond the fibers in a matrix, increasing the web strength.

Une bande de fibres est liée par un milieu de liaison ayant été activé par solubilisation partielle avec un solvant à cet effet. Les fibres sont insolubles dans le milieu de liaison. Le milieu de liaison est partiellement solubilisé, il devient collant et peut couler pour venir en contact avec les fibres et avec lui-même. Ensuite, le solvant est absorbé par le milieu de liaison, ce qui permet au milieu de liaison de se solidifier à nouveau et de lier les fibres pour former une matrice, augmentant la solidité de la bande.

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