Robust, Fluorine-Free Superhydrophobic Films on Glass via Epoxysilane Pretreatment.

ABSTRACT: Durable and fluorine-free superhydrophobic films were fabricated by a simple two-step process involving the pretreatment of glass substrates with an epoxysilane, which acted as an adhesive. The next step involved the aerosol-assisted chemical vapor deposition of a simple mixture of polydimethylsiloxane (PDMS) and SiO₂ nanoparticles (NPs). Various parameters were studied, such as deposition time as well as PDMS and SiO₂ loadings. The optimum film generated was with a 1:1 loading of PDMS and SiO₂, deposited at 360 °C for 40 min. The resultant film demonstrated excellent water repellency with a water contact angle of 165 ± 3° and a sliding angle of 2°. The epoxysilane underlayer provided the adhesion between the film and substrate. The films maintained superhy

SUBMITTER: Chen F 

PROVIDER: S-EPMC11780728 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature