Surface coating of polymer objects
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United States of America Patent
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Aug 4, 1992
Grant Date -
N/A
app pub date -
Nov 27, 1990
filing date -
Nov 27, 1990
priority date (Note) -
Expired
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Abstract
A method of modifying surfaces of polymeric objects which comprises immersing the polymeric object in an aqueous dispersion of a polymerizable surfactant, a cross-linking agent, and a free radical initiator and exposing the immersant to ultraviolet light to form a permanent, cross-linked surface coating on the object. Also disclosed are coated objects prepared by this method, which is particularly suited for coating contact lenses.
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