| Title: | Electrochemical impedance spectroscopy as a tool in the plate making process optimization |
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| Authors: | ID Cigula, Tomislav (Author)
ID Fuchs-Godec, Regina (Author)
ID Gojo, Miroslav (Author)
ID Slemnik, Mojca (Author) |
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| Files: |  Acta_Chimica_Slovenica_2012_Cigula_et_al._Electrochemical_impedance_spectroscopy_as_a_tool_in_the_plate_making_process_optimization.pdf (266,51 KB)
MD5: 646CCBC49E2320DE0E3C1D7DC0270110
 http://acta-arhiv.chem-soc.si/59/59-3-513.pdf
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FKKT - Faculty of Chemistry and Chemical Engineering
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| Abstract: | The structure of the porous aluminium-oxide layer, which builds non-image areas, has the most significant influence on the quality of final graphical product. This paper presents the results of the application of EIS in the characterisation and detection of changes on the aluminium-oxide layer caused by chemical processing in highly alkaline solution. The Al2O3 layer was characterised using SEM, fractal dimension and surface free energy calculationand EIS analysis. The results of the investigation showed that chemical processing has a significant influence on the structure of aluminiumoxide which could lead to a decrease in the quality of the printing plate. EIS enables the detection of changes on the aluminium- oxide layer. Thetwo equivalent circuits are proposed. Based on modelling with the obtained EIS spectra, precise evaluation of developing time in which complete removal of the photoactive layer is achieved. This makes EIS a powerful tool in optimizing chemical processing of lithographic printing plates. |
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| Keywords: | printing plate, chemical processing, SEM, surface free energy, EIS |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Year of publishing: | 2012 |
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| Number of pages: | str. 513-519 |
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| Numbering: | Letn. 59, št. 3 |
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| PID: | 20.500.12556/DKUM-50156  |
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| ISSN: | 1318-0207 |
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| UDC: | 66 |
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| ISSN on article: | 1318-0207 |
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| COBISS.SI-ID: | 16265238 |
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| NUK URN: | URN:SI:UM:DK:FFKRAYI8 |
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| Publication date in DKUM: | 10.07.2015 |
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| Views: | 1846 |
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| Downloads: | 114 |
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| Metadata: |    |
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| Categories: | Misc.
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