Liquid absorbent fibrous material and method of making the same

Details Liquid absorbent fibrous material and method of making the same Liquid absorbent fibrous material and method of making the same

1977-08-15

1978-04-04

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156 628, 156181, 156272, 156306, 428286, 428288, 428289, 428296, 428298, 428299, 428304, 428535, 428537, 428913, B32B 300

Patent

active

040828867

ABSTRACT:
The invention of the present application comprises a high loft, low density, nonwoven fibrous material and method of making the same. The material has good wet strength, softness, abrasion resistance, and liquid absorbency and retention, and is formed of a plurality of irregularly arranged, intersecting, overlapping, mechanically interengaged, loosely assembled fibers including both synthetic and natural wood pulp fibers which are present in different proportions in various regions parallel to the median plane of the material. Segments of said synthetic wood pulp fibers are heat fused with other segments of synthetic wood pulp fibers and with segments of other fibers at a plurality of junctures throughout the fibrous material to form a self-supporting fibrous structure which does not require any additional binder.

REFERENCES:
patent: 2624079 (1953-01-01), Duvall
patent: 2798283 (1957-07-01), Magat et al.
patent: 3917448 (1975-11-01), Wood
patent: 4018646 (1977-04-01), Ruffs

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