Omniphobic membranes and application thereof

摘要

The present invention provides an omniphobic membrane and application thereof. The omniphobic membrane comprises a porous substrate which has a pore size between 0.4 and 2 μm, a top coat, and an interface layer between the porous substrate and the top coat, and the omniphobic membrane has a carbon/silicon ratio between 40 and 60, and a hierarchical re-entrant structure. Furthermore, both of a process for fabricating the omniphobic membrane and a method for desalination of a liquid by membrane distillation are provided in the present invention.