Absorbent films and laminates

Details Absorbent films and laminates Absorbent films and laminates

1980-03-24

1985-02-05

Padgett, Benjamin R.

Surgery

Truss

Pad

428224, 264 451, A61F 1318

Patent

active

RE0318221

ABSTRACT:
Water swellable aerated films and laminates, made from solutions of carboxylic polyelectrolytes, together with methods for their preparation, are disclosed. The films and laminates are cured and/or crosslinked with a polyfunctional or difunctional crosslinking agent that is reactive with carboxylate groups by heating and/or removing substantially all of the water and/or alcohol from the precursor composition. The solutions are mechanically aerated prior to the curing step.
The absorbent articles have a rapid water absorbency rate and are useful as components in diapers, tampons, dressings and the like.

REFERENCES:
patent: 3081181 (1963-03-01), Rutenberg et al.
patent: 3650995 (1972-03-01), Erickson
patent: 3663462 (1972-05-01), Arndt et al.
patent: 3669103 (1972-06-01), Harper et al.
patent: 3670731 (1972-06-01), Harmon
patent: 3686024 (1972-08-01), Nankee et al.
patent: 3887408 (1975-06-01), Hoey
patent: 3926891 (1975-12-01), Gross et al.
patent: 3954721 (1976-05-01), Gross
patent: 3980663 (1976-09-01), Gross
patent: 4000028 (1976-12-01), Hoey

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