TiO2 P25 |
SA - PA - BTCA |
Increasing the amount of carboxyl groups found on each binder had no influence on photocatalytic activity. Higher cure temperature led to higher catalyst deposited mass, but no relation between these variables and photocatalytic activity was found. |
Meilert et al. (2005)Meilert, K.; Laub, D.; Kiwi, J., Photocatalytic self-cleaning of modified cotton textiles by TiO2 clusters attached by chemical spacers. Journal of Molecular Catalysis a-Chemical, 237(1-2), 101-108 (2005).
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TiO2 P25 |
BTCA |
The use of the BTCA binder results in a larger deposited mass, but after 5 wash cycles, the remaining mass is slightly higher than on the substrates without the binder. |
Bonet et al. (2015)Bonet, M.; Bou-Belda, E.; Monllor, P.; Gisbert, J.; Díaz, P.; Montava, I., A comparison between acrilic resin and butanetetracarboxylic acid used to bind TiO2 nanoparticles to cotton fabrics. Cellulose, 22, 1347-1354 (2015). https://doi.org/10.1007/s10570-015-0545-y
https://doi.org/10.1007/s10570-015-0545-...
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TiO2 P25 |
BTCA |
The formation of cyclic anhydrides is facilitated when a pH of 2.04 to 2.79 is used. Proof of Ti-O-C bond formation by FTIR. The use of BTCA increased the photocatalytic activity of the substrates. After 5 wash cycles, the activity of substrates without binders was dramatically reduced, while those with binders remained unchanged. |
Galkina et al. (2012)Galkina, O. L.; Vinogradov, V. V.; Vinogradov, A. V., Agafonov, A. V., Development of the low-temperature sol-gel synthesis of TiO2 to provide self-cleaning effect on the textile materials. Nanotechnologies in Russia, 7, 604-614 (2012). https://doi.org/10.1134/S1995078012060031
https://doi.org/10.1134/S199507801206003...
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TiO2 P25 |
SA |
Different concentrations of TiO2 were tested and after 5 g L-1, there was no increase in deposited mass or activity. Lower deposited mass and photocatalytic activity were obtained in samples without SA. The increase in the activity for samples treated with AS is justified by the increase in deposited mass and the more homogeneous distribution of the particles in the matrix. |
Karimi et al. (2010)Karimi, l. ; Mirjalili, M.; Yazdanshenas, M. E.; Nazari, A., Effect of nano TiO2 on self-cleaning property of cross-linking cotton fabric with succinic acid under UV irradiation. Photochemistry and Photobiology, 86, 1030-1037 (2010). https://doi.org/10.1111/j.1751-1097.2010.00756.x
https://doi.org/10.1111/j.1751-1097.2010...
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TiO2 P25 |
SA |
The SA treated samples presented lower mass loss after ultrasonic bath than the samples without the treatment. More homogeneous samples are obtained using the binder. |
Mirjalili and Karimi (2011)Mirjalili, M.; Karimi, L., Photocatalytic Degradation of Synthesized Colorant Stains on Cotton Fabric Coated with Nano TiO2. Journal of Fiber Bioengineering and Informatics, 3, 208-215 (2011). https://doi.org/10.3993/jfbi03201104
https://doi.org/10.3993/jfbi03201104...
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TiO2 P25 |
CA |
TiO2 is more active at pH < 6.8. Results demonstrate efficient degradation of dye in aqueous medium, even in the presence of electrolytes, with CA-treated tissues. The substrates treated with CA are stably active even after 5 cycles of sequenced reactions. |
Montazer and Hashemikia (2012)Montazer, M.; Hashemikia, S., Textile with immobilised nano titanium dioxide for repeated discoloration of CI Reactive Black 5 under UV-A. Coloration Technology, 128, 403-409 (2012). https://doi.org/10.1111/j.1478-4408.2012.00394.x
https://doi.org/10.1111/j.1478-4408.2012...
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TiO2/SrTiO3
|
CA |
Acid pH provides better distribution of the particles in the matrix, resulting in higher activities. The increase in the TiO2 concentration increases the photocatalytic activity until reaching approximately 0.4%wt, after which point, the activity remains stable. |
Zohoori et al. (2014)Zohoori, S.; Karimi, L.; Nazari, A., Photocatalytic Self-cleaning Synergism Optimization of Cotton Fabric using Nano SrTiO3 and Nano TiO2. Textiles in Eastern Europe, 22, 91-95 (2014).
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