Small Methods, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 25, 2024

Abstract Developing superwetting coatings with environmental adaptability is critical for sustainable industrial applications. However, traditional anti‐wetting often fall short due to their susceptibility factors (UV light, temperature, mold growth, and abrasion) inadequate stain resistance in complex media. Herein, a durable ex situ pH‐responsive coating reversible wettability switching, engineered by integrating hydrophobic polydimethylsiloxane tertiary amine structures presented. The resulting hierarchical micro‐nano surface structure, combined trapped air cushion, ensures low water adhesion stable superhydrophobicity. Notably, after pH treatment, the modulation of N + content synergistically interacts chains, enabling controlled transition from 150° 68.5°, which can spontaneously revert state upon heating drying. This enhances both underwater environments, 17.2% increase detergency compared superhydrophobic controls. Moreover, demonstrates remarkable durability, no staining, peeling, or mildew growth (grade 0) even 1500 h UV radiation 28 days testing. work offers highly adaptable stain‐resistant applications building infrastructure protection, as well smart textiles designed multi‐media decontamination.

Language: Английский