| Hydrophilic/Oleophilic |
Dip coated poly(allylamine hydrochloride) (PAH), poly(sodium 4-styrene sulfonate) (PSS), silica nanoparticles |
Water: ca. 0° Oil: N/A |
Layer-by-layer technique used for anti-fogging coatings. No durability testing |
8 |
| Dip coated PDDA, PSS, silica nanoparticles |
Water: ca. 0° Oil: N/A |
Superhydrophilic, anti-reflective coatings. No durability testing |
9 |
| Dip coated polydimethyldiallyl- ammonium chloride (PDDA), PSS, silica nanoparticles |
Water: ca. 0° Oil: N/A |
Layer-by-layer used to create hydrophilic channels for microfluidics. No durability testing |
11 |
| Hydrophobic/Oleophilic |
Spray coated PTFE |
Water: 156° Diesel oil: <4° |
Applied to a mesh for oil–water separation. No durability testing |
13 |
| Spray coated acrylic polymer and organosilane modified silica particles |
Water: ca. 160°/ ca. 1 Oil: N/A |
Applied to aluminum plates for anti-icing. No durability testing |
17 |
| Spray/spin coated fluoropolymer, nanoparticles |
Water: 153°/8° Oil: N/A |
Applied to aluminum plates for anti-icing. No durability testing |
18 |
| Dip coated polystyrene, polydimethylsiloxane modified silica nanoparticles |
Water: 157°/4° Oil: ca. 0° |
Applied to filter paper for oil–water separation. No durability testing |
14 |
| Chemical vapor deposition (CVD) of carbon nanotubes |
Water: 150°/7° Gasoline: 0° |
Applied to mesh for oil–water separation. No durability testing |
15 |
| Spray coated/sandblasted PTFE |
Water: 153° Oil: N/A |
Applied to aluminum plates for anti-icing and ice adhesion tests |
19 |
| Hydrophobic/Oleophobic |
Spray coated perfluoroalkyl methacrylic copolymer, TiO2 nanoparticles |
Water: 164° Ethylene glycol: 144° |
Hysteresis not studied, only ethylene glycol investigated. No durability testing |
21 |
| CVD fluorosilane on textured, re-entrant SiO2
|
Water: N/A Octane: 163°/18° |
No durability testing. Complex texturing required |
22 |
| Photolithography then electropolymerization of tetrabuty- lammonium hexafluorophosphate |
Water: 160° Hexadecane: 144°/40°Dodecane: 135° |
Poor oil repellency (high tilt angles). No durability testing |
24 |
| Spin coated PDMS, silica nanoparticles then dip coated perfluorooctyl trichlorosilane |
Water: 153°/ca. 0° Diiodomethane: 141°/12° |
Coating shows reasonable durability. No low surface tension liquid repellency testing |
25 |
| Spray coated perfluorooctanoic acid, copper acetate |
Water: 163°/4° Rapeseed oil: 155°/10° |
Poor oil repellency (high tilt angles) and durability |
28 |
| Silica aerogel plus fluorinated surfactant |
Water: 172°/22° Paraffin oil: 168°/38° |
Poor repellency (high tilt angles) but good durability |
29 |
| Electrospray poly(dimethylsiloxane), fluorodecyl polyhedral oligomeric silsequioxane |
Water: ca. 160°/2° Hexadecane: ca. 150°/5° |
No durability testing |
26 |
| Dip coated silicone resin, silica nanoparticles then CVD of fluorosilane |
Water: 170°/1° Hexadecane: 153°/4° |
Good repellency and durability. Only tested on PET |
31 |
| Hydrophilic/Oleophobic |
Synthesis of fluoroalkylated silicon co-oligomers |
Water: 72° Water (after 25 min): 0° Dodecane: 60° |
Coating is initially hydrophilic, not superhydrophilic as intended. Poor oil repellency. No durability testing |
34 |
| Plasma deposited polymer then dip coated fluorosurfactant |
Water: <20° Hexadecane: 82° |
Not water affinity and oil repellency. No durability testing |
36 |
| Synthesis of dimethylacrylamid fluoroalkyl end-capped oligomers, silica gel hybrids |
Water: 48° Water (after 30 min): 0° Dodecane: 41° |
Coating is initially hydrophilic, not superhydrophilic as intended. Poor oil repellency. No durability testing |
38 |
| Spray coated PDDA, sodium per- fluorooctanoate, silica nanoparticles |
Water: 165° Water (after 9 min): 0° Hexadecane: 155° Dodecane: 152°/10° |
Coating is initially superhydrophobic, not superhydrophilic as intended. Requires additional treatment not suitable for industry. No durability testing |
39 |
| Spin/dip coated poly(styrene–co–maleic anhydride), fluorosurfactant |
Water: <10° Hexadecane: 112° |
Poor oil repellency. No durability testing |
40 |
| Dip coated fluoroalkyl end-capped vinyltrimethoxysilane oligomer, CaSi2 particles |
Water: 129° Water (after 5 min): 0° Dodecane: 118° |
Coating is initially hydrophobic, not superhydrophilic as intended. Poor oil repellency. No durability testing |
41 |
