Abstract
TiO2 coatings deposited using reactive magnetron
sputtering and spray coating methods, as well as Ag- and
Mo-doped TiO2 coatings were investigated as self-cleaning
surfaces for beverage processing. The mechanical
resistance and retention of the photocatalytic properties
of the coatings were investigated over a three-month
period in three separate breweries. TiO2 coatings
deposited using reactive magnetron sputtering showed
better mechanical durability than the spray coated
surfaces, whilst the spray-deposited coating showed
enhanced retention of photocatalytic properties. The
presence of Ag and Mo dopants improved the photocatalytic
properties of TiO2 as well as the retention of these
properties. The spray-coated TiO2 was the only coating
which showed light-induced hydrophilicity, which was
retained in the coatings surviving the process conditions
Original language | English |
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Pages (from-to) | 433-449 |
Journal | Coatings |
Volume | 4 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2014 |
MoE publication type | A1 Journal article-refereed |
Keywords
- photocatalytic
- TiO2
- magnetron sputtering
- spray coatings
- beverage processing