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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pintus, Valentina Ploeger, Rebecca Chiantore, Oscar Wei, Shuya Schreiner, Manfred |
| Copyright Year | 2012 |
| Abstract | Differential scanning calorimetry (DSC) and thermogravimetry (TG) analyses were used to investigate the influence of inorganic pigments on the photo-oxidative stability of an acrylic emulsion binding medium. For this purpose, three different types of inorganic pigments such as ultramarine blue, cadmium red and hydrated chromium oxide green were selected and mixed with an acrylic emulsion binding medium of poly(n-butyl acrylate/methyl methacrylate). These laboratory mixed paints were analysed before and after UV exposure for different periods of time. In addition, three acrylic commercial paints such as ultramarine blue, cadmium red and chromium oxide green from Liquitex$^{®}$ and Rembrandt$^{®}$ companies were also analysed. The results obtained with both thermal techniques suggested that ultramarine blue has the strongest influence on the photo-oxidative stability of the binding medium. A higher increase of the glass transition temperature T $_{g}$ was observed by DSC analysis on the UV aged binder mixed with ultramarine blue. This result was confirmed by the TG investigations that showed a gradual decrease of the initial temperature of degradation as well as the strongest decrease of the final mass% of the organic compounds. Similar results were measured from the Liquitex$^{®}$ and Rembrandt$^{®}$ blue paints. |
| Starting Page | 33 |
| Ending Page | 43 |
| Page Count | 11 |
| File Format | |
| ISSN | 13886150 |
| Journal | Journal of thermal analysis |
| Volume Number | 114 |
| Issue Number | 1 |
| e-ISSN | 15728943 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2012-12-24 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Acrylic emulsion Inorganic pigments Ultramarine blue UV ageing DSC TG Physical Chemistry Analytical Chemistry Polymer Sciences Inorganic Chemistry Measurement Science and Instrumentation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physical and Theoretical Chemistry Condensed Matter Physics |
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