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US 11,433,424 B2Granted
Multilayer hydrophilic coating and methods of making the same
AssigneeHamilton Sundstrand Corporation
InventorsSteven Poteet, Barbara M. Peyton, Iwona Wrobel
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Abstract
Disclosed is a multilayer hydrophilic coating, comprising: a base layer comprising oxide particles, wherein a shape of an oxide particle is a hollow, generally spherical shell; a topcoat layer deposited on the base layer, wherein the topcoat layer comprises a sol-gel; and a doping agent, wherein the doping agent is located within the topcoat layer, deposited on the topcoat layer, located between the base layer and the topcoat layer, or combinations thereof.
Claims17
A multilayer hydrophilic coating, comprising:
- a substrate, wherein the substrate is a surface of a heat exchanger of a spacecraft;
- a base layer coated on the substrate and comprising oxide particles, wherein a shape of an oxide particle is a hollow, generally spherical shell;
- a topcoat layer deposited on the base layer, wherein the topcoat layer comprises a sol-gel;
- and
- a doping agent, wherein the doping agent is located within the topcoat layer, deposited on the topcoat layer, located between the base layer and the topcoat layer, or combinations thereof.
2 more elements
Dependencies are inferred from the claim text.