Durable hydrophilic surface coatings
First Claim
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1. A hydrophilic article for use in aqueous environments, comprisinga porous substrate;
- an ionic polymeric layer on said substrate; and
a disordered polyelectrolyte coating ionically bonded to said polymeric layer;
wherein said porous substrate has a surface with pores of an average diameter between 0.01 microns and 1 mm, or is made of perforated material.
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Abstract
A hydrophilic article for use in aqueous environments, including a substrate, an ionic polymeric layer on said substrate, and a disordered polyelectrolyte coating ionically bonded to said polymeric layer.
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Citations
14 Claims
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1. A hydrophilic article for use in aqueous environments, comprising
a porous substrate; -
an ionic polymeric layer on said substrate; and a disordered polyelectrolyte coating ionically bonded to said polymeric layer; wherein said porous substrate has a surface with pores of an average diameter between 0.01 microns and 1 mm, or is made of perforated material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification