Large-area, daily, on-site-applicable antiadhesion coatings formed via ambient self-crosslinking

A novel large-area and flat anti-adhesion coating can be formed spontaneously at room temperature and readily applied on-site via industrially viable spray-, dip-, or paint-coating techniques to cover large objects. This coating offers excellent repellent properties against various liquids and sticky adhesives. • An ambient synergetic self-crosslinking chemistry was proposed for preparing anti-adhesion coatings. • The on-site applicable anti-adhesion coating material was developed. • These solvent-free antiadhesion coatings are transparent, flexible, and durable. Antiadhesion coating materials that repel various liquids are highly desirable for use in industrial applications and everyday lives. However, the large-scale, daily, and on-site application of such coatings are seriously limited by complex preparation processes and additional equipment required. To address these challenges, we prepared a solvent-free mixture containing miscible silicone precursors that spontaneously undergo synergetic self-crosslinking reactions at room temperature. This mixture can be sprayed, dipped, or painted on-site onto various types of large objects to yield antiadhesion coatings that offer excellent repellent properties (e.g. contact angle hysteresis < 10 o for various oils, with oily-ink and tape cleaned very easily). In addition, these novel antiadhesion coatings are transparent, flexible, and durable, and function even after long-term immersion in acid/base/salt solution/oil. These coatings can be utilized in numerous commercial and residential applications to address a wide range of undesirable interfacial adhesion issues, such as smudges, accretions, and blockages.