Browsing by Subject "Polypyrrole"
Now showing items 1-9 of 9
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Desenvolvimento de eletrodos modificados baseados em compósitos de polipirrol e grafeno
(Universidade Federal de São Paulo, 2021-09-24)Eletrodos modificados com polímeros condutores (PCs) e grafeno têm sido utilizados em diversas aplicações como na preparação de dispositivos de armazenamento de carga e sensores. Na fabricação de sensores, eletrodos baseados ...
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Desenvolvimento de filmes automontados baseados em compósitos de polipirrol e nanotubos de carbono para o monitoramento de pesticidas em ambiente marinho
(Universidade Federal de São Paulo, 2017-03-24)The development of sensor materials for the monitoring of endocrine disruptors substances such as pesticides, using electroanalytical methods like voltammetric techniques, have low cost and time analysis as advantages as ...
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Development of modified electrodes based on self assembled films of polypirrole and carbon nanotubes composites for pesticides monitoring
(Univ Estadual Campinas, Inst Estudos Linguagem, 2016)In this work polypyrrole (PPy) and its respective composite with functionalized multiwalled carbon nanotubes (PPy-MWCNT) was obtained by the chemical polymerization of the monomer pyrrole (PPy) in aqueous solution by the ...
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Métodos alternativos para proteção à corrosão da liga de alumínio 2024-T3
(Universidade Federal de São Paulo, 2015-03-06)This work presents the anti-corrosion behavior of a soluble copolymer of polyaniline (PAni), called poly (phenylene sulfide phenylamine) - PPSA, deposited on the Al 2024-T3 alloy. The motivation for the use of this copolymer ...
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Preparação de nanopartículas de prata e seus compósitos com polímeros condutores m moldes flexíveis e líquidos iônicos
(Universidade Federal de São Paulo, 2013-11-13)Ionic liquids (IL), liquid salts at room temperature, show self-organization due to the electrostatic interactions between their ions and the van der Waals among the alkyl chains of the cationic species, being classified ...
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Self-assembled films based on polypyrrole and carbon nanotubes composites for the determination of Diuron pesticide
(Springer, 2018)In this work, polypyrrole (PPy) and its respective composite with functionalized multi-walled carbon nanotubes (MWCNT) were obtained by chemical polymerization of the monomer pyrrole in aqueous solution. The obtained PPy ...
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Síntese do polipirrol com surfactantes aniônicos visando aplicações como absorvedores de micro-ondas
(Associação Brasileira de Polímeros, 2014-06-01)In this work different samples of polypyrrole (PPy) were synthesized varying the combination of FeCl3 and Fe2(SO4)3 as oxidant agents and sodium dodecylbenzenesulfonate (DBSNa) and dodecylbenzenesulfonic acid (DBSA) as ...
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Structural and Conductivity Relationship of Binary and Ternary Composites of Polypyrrole, Montmorillonite and Silver
(Amer Scientific Publishers, 2017)This work focuses on the synthesis of binary composites of polypyrrole and silver and of ternary composites of polypyrrole, silver and organomontmorillonite performed in the presence of mixtures of two surfactants, sodium ...
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Synthesis of polypyrrole-magnetite/silane coatings on steel and assessment of anticorrosive properties
(Elsevier B.V., 2014-04-01)This work presents a detailed study of the synthesis of polypyrrole-magnetite/silane coatings (PPy-Fe3O4/GPTMS-TEOS-gamma-APS) and their anticorrosion properties. the use of a bilayer system is proposed consisting of a ...
