@Article{MazzeuFaCaGaBaGo:2017:StMoCh,
               author = "Mazzeu, Maria Alice Carvalho and Faria, Lohana Komorek and 
                         Cardoso, Andreza de Moura and Gama, Adriana Medeiros and Baldan, 
                         Maur{\'{\i}}cio Ribeiro and Gon{\c{c}}alves, Emerson Sarmento",
          affiliation = "{Instituto Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and 
                         {Instituto de Aeron{\'a}utica e Espa{\c{c}}o (IAE)} and 
                         {Instituto de Aeron{\'a}utica e Espa{\c{c}}o (IAE)} and 
                         {Instituto de Aeron{\'a}utica e Espa{\c{c}}o (IAE)} and 
                         {Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Tecnol{\'o}gico de Aeron{\'a}utica (ITA)}",
                title = "Structural and morphological characteristics of polyaniline 
                         synthesized in pilot scale",
              journal = "Journal of Aerospace Technology and Management",
                 year = "2017",
               volume = "9",
               number = "1",
                pages = "39--47",
                month = "jan./mar.",
             keywords = "Polyaniline, Crystallinity, Morphology, Raman spectroscopy, 
                         Electrical conductivity.",
             abstract = "Polyanilines have many applications in Aerospace, especially in 
                         their doped form. Studies on their synthesis in a pilot scale can 
                         contribute to obtain products with desirable characteristics for 
                         such applications. The present study reports the chemical 
                         oxidative synthesis of polyaniline in pilot scale and different 
                         reaction times in order to determine if there are variations in 
                         the polyaniline structure, morphology and conductivity due to 
                         these synthesis conditions. It is very common to analyze these 
                         data for polymers obtained through bench scale. However, several 
                         parameters change the properties of final material in major 
                         scales, such as thermal, mechanic and diffusive variables. 
                         Therefore, the reaction time is the only variable into the 9 
                         syntheses carried out, and polyaniline is obtained in a doped 
                         form, being dedoped with ammonium hydroxide and redoped with 
                         dodecylbenzenesulphonic acid. The doped and redoped samples were 
                         characterized by their molecular structure, thermal behavior, 
                         crystallinity and morphology. The electrical conductivity of 
                         redoped samples was determined. Some differences in the structure 
                         and morphology of doped and dedoped forms, identifying the doping 
                         structures, were reported. This paper aims to present the 
                         relationship between changes on structure and morphology of doped 
                         and undoped polyaniline obtained by the mentioned experiments. 
                         Furthermore, some addicts on conductivity are carried out. It was 
                         possible to contribute in order to obtain a more conductive 
                         polyaniline in pilot scale.",
                  doi = "10.5028/jatm.v9i1.726",
                  url = "http://dx.doi.org/10.5028/jatm.v9i1.726",
                 issn = "1984-9648",
             language = "en",
           targetfile = "mazzeu_structural.pdf",
        urlaccessdate = "27 abr. 2024"
}