Hydrogel laminate, bandages and composites and methods for forming the same
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United States of America Patent
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Oct 7, 1997
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N/A
app pub date -
Jun 5, 1995
filing date -
Dec 15, 1992
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Expired
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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.
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