Adhesive composition or structure

Details Adhesive composition or structure Adhesive composition or structure

1998-05-28

2000-08-01

Weiss, John G.

Surgery: splint, brace, or bandage

Bandage structure

Skin laceration or wound cover

428355R, 428355AC, A61F 1300

Patent

active

060959967

ABSTRACT:
An adhesive composition or structure is proposed for use in skin application, e.g. drug delivery wound care, or for attaching devices to collect body waste to the wearer. The composition comprises (a) a polymer or mixture of polymers which act as a pressure-sensitive adhesive present in an amount 20-60 parts by weight of the adhesive composition; and (b) a water-swellable polymer present in an amount 20-80 parts by weight of the adhesive composition. The polymer is one which will absorb from 50 to 500 grams of pure water per 100 grams of water-swellable polymer.
Additionally there may be present up to 30 parts by weight (of the adhesive composition) of a water-soluble polymer.
The water-swellable polymer may be provided as a coating on non-water-soluble and non-water-swellable fibers which limit swelling of the coating to be radial of the fibers. By arranging or aligning the fibers, the direction of swelling of the composition or structure can be controlled. An adhesive ostomy pad is described which expands substantially in only one direction to avoid blocking the stoma aperture.

REFERENCES:
patent: 5571080 (1996-11-01), Jensen

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