Hydrogel laminate, bandages and composites and methods for formi

Details Hydrogel laminate, bandages and composites and methods for formi Hydrogel laminate, bandages and composites and methods for formi

1995-06-05

1997-10-07

Nold, Charles

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562724, 1562755, 264 22, 428338, B32B 2708, A61L 1501

Patent

active

056743467

ABSTRACT:
The present invention provides processes by which a polymeric hydrogel can be securely adhered to a substrate to form a hydrogel laminate with greatly improved delamination resistance. The laminate is formed by casting onto a polymeric adhesive-coated substrate an aqueous solution of hydrophilic polymer, then exposing this composite to ionizing radiation which cross-links the hydrophilic polymer to form a hydrogel and also induces copolymerization of the hydrophilic polymer and the adhesive polymer.

REFERENCES:
patent: 4871490 (1989-10-01), Rosiak et al.
patent: 5183599 (1993-02-01), Smuckler

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