A scratch-resistant single-layer antireflective coating by a low temperature sol-gel route
| Autor: | P. F. Belleville, H. G. Floch |
|---|---|
| Rok vydání: | 1994 |
| Předmět: |
Materials science
Abrasion (mechanical) Colloidal silica General Chemistry engineering.material Condensed Matter Physics Electronic Optical and Magnetic Materials law.invention Biomaterials Anti-reflective coating Coating law Scratch Phase (matter) Materials Chemistry Ceramics and Composites engineering Composite material computer Spinning computer.programming_language Sol-gel |
| Zdroj: | Journal of Sol-Gel Science and Technology. 1:293-304 |
| ISSN: | 1573-4846 0928-0707 |
| DOI: | 10.1007/bf00486172 |
| Popis: | A novel quarterwave-thick narrow-bandwidth antireflective coating has been developed for both plastic and vitreous substrates by a sol-gel route. This coating has revealed pronounced scratch- and climatic-resistance under adverse conditions. The single-layer coating consists basically of a composite material made of silica as the discontinuous phase and of a polytetrafluoroethylene-derived (Teflon1) organic polymer as the continuous phase. This leads to fluorine-containing colloidal silica product, or a so-called Flucosil coating. The coating is applied by spinning or dipping from specific solutions at room temperature followed by a mild and short heat treatment. In addition to remarkable abrasion and environmental resistance properties, such coatings have displayed excellent laser-induced damage threshold levels, surpassing uncoated substrates. We hope such a product might open new perspectives concerning household articles, architectural optical thin-films, ophthalmic uses, and so on. |
| Databáze: | OpenAIRE |
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