Adhesive-faced porous absorbent sheet and method of making same

Details Adhesive-faced porous absorbent sheet and method of making same Adhesive-faced porous absorbent sheet and method of making same

1990-02-15

1992-03-24

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156252, 156289, 604304, 604307, B32B 3100

Patent

active

050985000

ABSTRACT:
A sheet-form material suitable as wound dressing and having enhanced moisture control properties is disclosed. This sheet-form material includes a porous sheet of absorbent, elastomeric segmented polyurethane having an open pore structure and an apertured adhesive facing on one side of the porous sheet. A liquid impermeable but water vapor permeable backing may be provided on the opposite side of the porous sheet, if desired. Also disclosed is a method for forming an apertured adhesive facing for the sheet-form material.

REFERENCES:
patent: 3547753 (1970-12-01), Sutton
patent: 3972328 (1976-08-01), Chen
patent: 4704130 (1987-11-01), Gilding et al.
patent: 4726976 (1988-02-01), Karami et al.
patent: 4753231 (1988-06-01), Lang et al.

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