Fibrous material and method of making the same

Details Fibrous material and method of making the same Fibrous material and method of making the same

B - Operations, Transporting

32

B

154/75, 2/98.08,

B32B 5/08 (2006.01)

Patent

CA 1105821

ABSTRACT High loft, low density, nonwoven fibrous materials and methods of making the same are provided, said material comprising at least two layers of irregularly arranged, intersecting, overlapping, mechanically interengaged fibers, one of the layers including thermoplastic synthetic wood pulp fibers at least in the portion thereof at the interface to the other layer, at least some of the thermoplastic synthetic wood pulp fibers in the one layer being in contact with and fused with segments of fibers of said other layer. The material is produced by air-laying at least the synthetic wood pulp containing layer, and then applying heat without pressure to fuse and bond at least some of the thermoplastic synthetic wood pulp fibers in said one layer to the remaining fibers in said one layer and to fibers in the other layer. This application relates to high loft, low density, nonwoven fibrous materials, having synthetic wood pulp fibers located at at least a mid-portion thereof parallel to or including its median plane, and to a method of producing such a material.

299781

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