Novel Superhydrophobic Aerogel on the Base of Polytetrafluoroethylene

ACS Appl Mater Interfaces. 2019 Sep 4;11(35):32517-32522. doi: 10.1021/acsami.9b10455. Epub 2019 Aug 23.

Abstract

Polytetrafluoroethylene-based aerogel was synthesized for the first time. Graphene oxide was used as a binder. After reduction with hydrazine and annealing at 370 °C, the aerogel with a density of 29 ± 2 mg/cm3 became superhydrophobic. The aerogel was characterized by IR spectroscopy, scanning electron microscopy, and X-ray photoelectron spectroscopy. The sorption capacity of the aerogel for seven solvents and its sorption recyclability for hexane were measured.

Keywords: IR spectroscopy; X-ray photoelectron spectroscopy; aerogel; graphene oxide; polytetrafluoroethylene; sorption capacity; superhydrophobicity.