▎ 摘　　要

NOVELTY - A cured polymeric coating which is compositionally graded or layered to be anisotropic in the deposition direction, comprises (i) a cured first chemical composition extending at least 2.5 microm in height from the outer surface of an underlying substrate; and (ii) a cured second chemical composition having a different chemical composition than the cured first chemical composition, the cured second chemical composition forming an exposed outer surface of the cured polymeric coating and extending at least 2.5 microm in depth from the exposed outer surface, where the cured second chemical composition (a) contains a polymeric resin; (b) contains at least one icephobic material addition; and (c) has an ice adhesion of less than 500 kPa as prepared and after 5 icing/deicing cycles when measured according to ERDC/CRREL Technical Note 03-4. USE - A cured polymeric coating used for substrates and protective articles. Can be used for aerospace parts and components including, but not limited to, wings, wing parts including flaps and access covers, structural spars and ribs, propellers, rotors and rotor blades, stators and stator vanes, rudders, covers, fuselage parts, nose cones, and landing gear; automotive components including, but not limited to, heat shields, oil, transmission and brake parts, fluid tanks and exposed housings including oil and transmission pans, spoilers, grill-guards and running boards, vehicle chassis parts including hood, doors and side panels, gas tanks and engine covers; sporting goods including, but not limited to, hockey sticks, skate blades, helmets, face masks, golf shafts, heads, balls and faceplates, ski and snowboard components including bindings, and bicycle parts; industrial/consumer products and parts including, but not limited to, face masks, solar panels, turbines and windmills; and touch-surfaces which are prone to wear and the spreading of diseases. ADVANTAGE - The coating provides a durable exposed surface which is hydrophobic, has low ice adhesion and/or provides biocidal properties. The anisotropic and durable water-repellent coating may contain distinct sublayers and/or a gradual transition from one chemical composition to another. DESCRIPTION OF DRAWING(S) - The drawing shows an exploded perspective view of the reusable, self-sterilizing facemask. Face mask (10) Outer shell (12) Filter element (14) Support frame (16) Holes/slits (18)