The invention belongs to the technical field of super-amphiphobic nano
coating preparation, and especially relates to a preparation method of a universal super-amphiphobic nano
coating based on flower shape
titanium dioxide nano particles. The preparation method comprises steps of flower shape
titanium dioxide nano particle preparation, low
surface energy modification, and combination between super-amphiphobic
powder and a substrate. The contact angles between various substrates coated by super-amphiphobic
powder and water / oil are all larger than 150 degrees and the roll angles are all smaller than 10 degrees. Moreover, after combination, the super-amphiphobic substrate has a strong performance on resisting wear,
extrusion, and stretching and high
chemical stability. The preparation technology is simple, the raw materials are easily available, not toxic, and environment-friendly; the cost is low, the stability is high, and the preparation method is suitable for large scale preparation and application. The
coating is suitable for being used in an extreme work environment, can be applied to oil
stain resistant equipment or waterproof equipment, and at the same time, can also be used in the fields such as industrial pipeline transportation, oil-water separation
metal network, and the like.