Fabrication of superhydrophobic and oleophobic surface on zinc substrate by a simple method

Preparation of a Highly Oleophobic Magnesium Alloy AZ31 Surface with Hierarchical Structure and Fluorination

Wettability is an important surface property owing to its useful characteristics such as self-cleaning, antifrosting, and anticorrosion. In particular, an oleophobic surface, which can overcome the limitation of the antifouling performance of a hydrophobic surface, is a considerably valuable research subject. Magnesium alloys are widely used in various industrial fields owing to their superior mechanical performance; however, a technology that is applicable for surface modification has been limited due to their chemical properties. In this study, a new method to prepare a highly oleophobic magnesium alloy AZ31 surface is introduced; this method involves applying a hierarchical structure and fluorination. The hierarchical structure was formed via two-step anodization and magnesium hydroxide formation, and a self-assembled monolayer (SAM) coating method was applied to fluorinate the surface. This hierarchical structure with low surface energy can reduce the contact area between the surface and droplets, thereby decreasing the adhesive force. Contact angles were measured using various test liquids to evaluate the oleophobic surface, and all test liquids, including rapeseed oil (35.0 mN/m), were repelled by the surface.

Facile fabrication of amphiphobic surfaces on copper substrates with a mixed modified solution

Amphiphobic surfaces possessing superhydrophobicity, high oleophobicity and self-cleaning properties were facilely and efficiently fabricated with STA/PFOA mixed modified solution.

Bio inspired self-cleaning ultrahydrophobic aluminium surface by laser processing

Ultrahydrophobic self cleaning surface is fabricated with nanosecond laser source on aluminium foil.

Fabrication of stable homogeneous superhydrophobic HDPE/graphene oxide surfaces on zinc substrates

Illustration of the preparation method of superhydrophobic surfaces on zinc substrates.