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Photosensitive Liquid Repellent Coating Materials
A Coating Material That Can Form Hydrophobic (Water/Oil Repellent) Patterns by Photolithography
A photosensitive material that can form fine patterns with high liquid-repelling characteristics. Expected to be used in a wide range of fields such as printable electronics and bio/life sciences.
Furthermore, control of liquid behavior is possible by combining with hydrophilic substrates and TOK's super hydrophilic coating materials.
Features
- Coating material for lithographic process to create liquid repellent areas and patterns
- Film thickness adjustable
- Positive/negative type selectable
Use Case
Liquid Repellent Performance
| Wettability | Film Thickness※ | Pattern Dimensions* |
Contact Angle | Surface Free Energy (mJ/m2) |
|||
|---|---|---|---|---|---|---|---|
| Water（°） | Diiodomethane（°） | Hexadecane（°） | |||||
| Positive Type | Water Repellent Oleophilic |
5nm | >2μm | 89.0 |
46.0 |
<5 |
36.6 |
| Negative Type | Water Repellent Oil Repellent |
30nm | >sub-μm | 106.6 |
85.6 |
65.2 |
15.1 |
*Film thickness and pattern dimensions can be adjusted according to the deposition conditions and exposure model.
Application Example
Intended Use Case
- Printable Electronics
- Fluid Behavior Control, Such as in Ergonomics or
Bio/Life Science Industries
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