Wet laid bonded fibrous web containing bicomponent fibers...

Details Wet laid bonded fibrous web containing bicomponent fibers... Wet laid bonded fibrous web containing bicomponent fibers...

D - Textiles, Paper

04

H

D04H 1/54 (2006.01) D01F 8/06 (2006.01) D21H 13/06 (2006.01) D21H 13/24 (2006.01) D21H 13/26 (2006.01) D21H 13/36 (2006.01) D21H 13/40 (2006.01) D21H 15/10 (2006.01)

Patent

CA 2045114

IMPROVED WET LAID BONDED FIBROUS WEB CONTAINING BICOMPONENT FIBERS INCLUDING LLDPE Abstract of the Invention A thermally bonded fibrous wet laid web containing a bicomponent fiber including a polyester or polyamide fiber component and a component consisting of a linear low density polyethylene having a density in the range of 0.88 to 0.945 g/cc. A grafted HDPE can be added to the LLPDE to improve adhesion of the bicomponent fiber The bonded fibrous wet laid web may further include a matrix fiber selected from the group consisting of cellulose paper making fibers, cellulose acetate fibers, glass fibers, polyester fibers, ceramic fibers, mineral wool fibers, polyamide fibers, and other naturally occurring fibers. It has been found that a thermally nonwoven fibrous web made using the foregoing ingredients has improved and unexpected strength, lower web variability and is softer.

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