The invention discloses a wear-resistant food-grade super-hydrophobic nano-
coating without adhesion to yoghourt. The invention aims to disclose the wear-resistant food-grade super-hydrophobic nano-
coating without adhesion to yoghourt. The
coating that coats a composite PE film or a composite EVA film in a roller coating manner has super-hydrophobic property, good
hardness, strength,
wear resistance, good heat sealability, no
powder falling, no adhesion to yoghourt and the like, and is particularly suitable for the current
food packaging industry without equipment modification, and the aim of the invention can be fulfilled by adopting conventional roller coating equipment for construction. According to a technical scheme in the invention, the coating comprises a bottom coating and a surfacecoating. The bottom coating comprises the following components in parts by weight: 4-12 parts of heat-sealing resin of modified
ethylene-
vinyl acetate copolymer resin, 2-12 parts of organic
polysilazane resin, 0.5-4 parts of a hydrogenated
styrene-butadiene segmented
copolymer elastomer, 1-2 parts of chlorinated
polypropylene resin, 5-15 parts of modified nanoparticles, 2.5-7.5 parts of
zinc oxide whiskers, 0.25-1 part of a catalyst and 50-80 parts of a mixed
organic solvent. The
surface coating comprises the following components in parts by weight: 5-10 parts of a low-surface-energy substance and 90-95 parts of
ethanol.