Global Smart Coatings Market Size By Type (Self-Healing, Anti-corrosion, Anti-fouling, Anti-microbial, Self-cleaning), By Application (Automotive, Aerospace, Construction, Healthcare, Marine, Electronics, Military And Defense), By Material (Polymer, Metal, Ceramic, Hybrid), By Technology (Nano-Coatings, Microencapsulation, Stimuli-Responsive Coatings, Self-Assembling Coatings, Layer-By-layer Depos