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Campo Dublin Core | Valor | Idioma |
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dc.contributor.author | Reis, Lindomar A. | - |
dc.contributor.author | Ligiéro, Carolina Bastos Pereira | - |
dc.contributor.author | Andrade, Acácio Aparecido de Castro | - |
dc.contributor.author | Taylor, Jason Guy | - |
dc.contributor.author | Miranda, Paulo Cesar Muniz de Lacerda | - |
dc.date.accessioned | 2015-04-09T10:56:19Z | - |
dc.date.available | 2015-04-09T10:56:19Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | REIS, L. A. et al. Preparation of polyaminopyridines using a CuI/L-Proline-Catalyzed C-N polycoupling reaction. Materials, Basel, v. 5, p. 2176-2189, 2012. Disponível em: <http://www.mdpi.com/1996-1944/5/11/2176>. Acesso em: 02 fev. 2015. | pt_BR |
dc.identifier.issn | 1996-1944 | - |
dc.identifier.uri | http://www.repositorio.ufop.br/handle/123456789/4965 | - |
dc.description.abstract | Polyaminopyridines (PAPy) were chemically prepared from amino-bromopyridines by a CuI/L-proline-catalyzed C-N polycondensation reaction. The formation of the polymer was confirmed by GPC, XRD, XRF, FTIR, UV-vis (λmax = 400 nm), 1H and 13C NMR. The number-average molecular weights (Mn) were estimated by end-group analysis using X-ray fluorescence (up to 6000 Da). TGA analysis of PAPy with higher Mn showed greater thermal stability up to 170 oC. Viscosity measurements of polymer in formic acid at 30 oC indicated a polyelectrolyte nature of PAPy solutions. Furthermore, the amorphicity of the material was observed by X-ray diffraction analysis. | pt_BR |
dc.language.iso | en_US | pt_BR |
dc.subject | Polyaminopyridines | pt_BR |
dc.subject | Ullmann coupling reaction | pt_BR |
dc.subject | End-group analysis by XRF | pt_BR |
dc.title | Preparation of polyaminopyridines using a CuI/L-Proline-Catalyzed C-N polycoupling reaction. | pt_BR |
dc.type | Artigo publicado em periodico | pt_BR |
dc.rights.license | O periódico Materials Science Journal permite o arquivamento da versão PDF do editor. Fonte: Sherpa/Romeo <http://www.sherpa.ac.uk/romeo/search.php?issn=1996-1944>. Acesso em: 03 jan. 2017. | pt_BR |
dc.identifier.doi | https://doi.org/10.3390/ma5112176 | - |
Aparece nas coleções: | DEQUI - Artigos publicados em periódicos |
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ARTIGO_PreparationPolyaminopyridineUsing.pdf | 289,09 kB | Adobe PDF | Visualizar/Abrir |
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