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Fluorine-Free Dual Superamphiphobic Cellulose Paper Coated with Mushroom-like Pillar Microstructure.
- Source :
- Coatings (2079-6412); Feb2023, Vol. 13 Issue 2, p323, 10p
- Publication Year :
- 2023
-
Abstract
- In this work, we report a unique and facile approach to the manufacture of fluorine-free superamphiphobic paper. Based on the principle that Fe<subscript>3</subscript>O<subscript>4</subscript> nanoparticles (NPs) arranged along the direction of a magnetic field, the mixture of Fe<subscript>3</subscript>O<subscript>4</subscript> NPs and polydimethylsiloxane (PDMS) was coated on kraft paper through self-assembly and thermal-curing at a high temperature in a magnetic field, fabricating a mushroom-like microstructure on the paper. At an Fe<subscript>3</subscript>O<subscript>4</subscript> NPs content of 75%, the radius of the mushroom-like pillar caps (R<subscript>CAP</subscript>) and center-to-center spacing between two pillars (S) obtained the optimal size of 37 ± 18 μm and 237 ± 38 μm, respectively. The oil-contact angle and water-contact angle of the fabricated paper were up to 156° and 160.4°, respectively. It also showed excellent oleophobic stability; the oil-contact angle was still maintained at 141.9° after 1 h. In addition, the contact angles of milk, ethylene glycol and castor oil were all above 150°, and the contact angle of diiodomethane was 134.2°. Moreover, the sample showed great oil resistance with a kit rating value of 12/12 and permeability of 1800+ s. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20796412
- Volume :
- 13
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Coatings (2079-6412)
- Publication Type :
- Academic Journal
- Accession number :
- 162117539
- Full Text :
- https://doi.org/10.3390/coatings13020323