Super-hydrorepellent coating composition, super-hydrorepellent coating layer including cured product of the super-hydrorepellent coating composition, and heat exchanger including the super-hydrorepellent coating layer

摘要

A super-hydrorepellent coating composition including a nano structure, polyorganosiloxane, a cross-linker, and a catalyst; a super-hydrorepellent coating layer including a cured product of the super-hydrorepellent coating composition; and a heat exchanger including the super-hydrorepellent coating layer.

主权项

1. A hydrorepellent coating composition comprising:
a nano structure, polyorganosiloxane, a cross-linker, and a catalyst; wherein:
the nano structure has at least one of a wire shape, a tube shape, or a fiber shape, or a combination thereof;the nano structure has a nano diameter;the nano structure comprises at least one kind of substance selected from the group consisting of a carbon nanotube, carbon nanofiber, a Si nanowire, a ZnO nanowire, a Cu nanowire, and a GaN nanowire;the diameter of the nano structure is about 1 nm to about 1,000 nm and a length of the nano structure is about 10μm to about 1,000μm; andthe hydrorepellent coating composition comprises about 8 to about 500 parts by weight of the nano structure, about 1 to about 200 parts by weight of the cross-linker, and about 0.001 to about 10 parts by weight of the catalyst, based on about 100 parts by weight of the polyorganosiloxane.