Durable hydrophilic coating compositions
OwnerKemal Vatansever Catalan, Carolyn Ann Spitzmueller +5inventors
InventorsKemal Vatansever Catalan, Carolyn Ann Spitzmueller, Vladimir Gartstein, Matthew Scott Wagner, Dennis Ray Bacon, David S. Salloum, Faiz Feisal Sherman
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Abstract
A durable hydrophilic coating composition is provided comprising a film forming polymer, a wetting agent and from about 0.001% to about 40%, by weight of the composition, of nanoparticles. The nanoparticles are selected from the group consisting of alumina, silica and combinations thereof and have a particle size of from about 1 to about 750 nanometers. The weight ratio of the film forming polymer to the nanoparticles is from about 1:1 to about 1:30. A disposable absorbent article is also disclosed.
Claims13
A disposable absorbent article comprising an absorbent core, the absorbent core comprising:
- (a) a storage layer;
- and
- (b) a hydrophilic fluid pervious core wrap, the core wrap surrounding at least a portion of the storage layer, wherein the core wrap comprises:
- i. a core wrap substrate;
- and
- ii. a durable hydrophilic coating composition coated on the core wrap substrate, the coating composition comprising a film forming polymer, a wetting agent, and from about 0.001% to about 40%, by weight of the composition, of nanoparticles wherein the nanoparticles are selected from the group consisting of alumina, silica and combinations thereof and wherein the nanoparticles have a particle size of from about 1 to about 750 nanometers;
- wherein the weight ratio of the film forming polymer to the nanoparticles is from about 1:1 to about 1:30.
Dependencies are inferred from the claim text.