Foam-fiber composite and process

Details Foam-fiber composite and process Foam-fiber composite and process

1987-05-05

1988-07-19

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

264109, 264122, 428288, 428296, 521 54, 521178, D04H 104, D04H 158

Patent

active

047584661

ABSTRACT:
A foam-fiber composite, useful as an absorbent for sanitary napkins is disclosed. It is a resilient, absorbent structure made from large particles of an amino-ether hydrophilic foam (and optionally a superabsorbent and wood pulp), which by use of a carding machine is uniformly distributed in, and heat bonded to a fibrous matrix, which matrix is preferably made from two different kinds of fibers, one of which is low melting at the bonding temperatures used in the oven, e.g., polyethylene and the other high melting, e.g., polyester.

REFERENCES:
patent: 3900648 (1975-08-01), Smith
patent: 4105033 (1978-08-01), Chatterjee
patent: 4110508 (1978-08-01), Isgur et al.
patent: 4357386 (1982-11-01), Luciano et al.
patent: 4429001 (1984-01-01), Kolpin et al.
patent: 4460642 (1984-07-01), Errede et al.
patent: 4481248 (1984-11-01), Fraige
patent: 4496623 (1985-01-01), Fraige
patent: 4554297 (1985-11-01), Dabi

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