Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Sílvia Daniela Araújo da Silva Ramôa"'
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Akademický článek
Conductive Composites Based on Polyurethane and Nanostructured Conductive Filler of Montmorillonite/Polypyrrole for Electromagnetic Shielding Applications
Autor: Patricia Cristine Vargas, Claudia Merlini, Sílvia Daniela Araújo da Silva Ramôa, Rafael Arenhart, Guilherme Mariz de Oliveira Barra, Bluma Guenther Soares
Publikováno v: Materials Research, Vol 21, Iss 5 (2018)
In this study, composites based on polyurethane (PU) derived from castor oil and montmorillonite/polypyrrole doped with dodecylbenzenesulfonic acid (MMt-PPy.DBSA) were developed. In order to investigate the potential use of these materials for electr
Externí odkaz: https://doaj.org/article/09e92686920247b0bfa3c5c26bb608db
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2
Akademický článek
Obtenção de nanocompósitos condutores de montmorilonita/polipirrol: efeito da incorporação do surfactante na estrutura e propriedades
Autor: Sílvia Daniela Araújo da Silva Ramôa, Claudia Merlini, Guilherme Mariz de Oliveira Barra, Bluma Guenther Soares
Publikováno v: Polímeros, Vol 24, Iss spe, Pp 57-62 (2014)
Nanocompósitos de montmorilonita/polipirrol (MMT/PPy) foram preparados a partir da polimerização in situ do pirrol na presença de argila, bentonita sódica natural, (MMT-Na+) em solução aquosa com ou sem surfactante aniônico, dodecil sulfato d
Externí odkaz: https://doaj.org/article/7d224c51f17d41f6a99987279730e777
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3
Effect of printing parameters on the electromagnetic shielding efficiency of ABS/carbonaceous-filler composites manufactured via filament fused fabrication
Autor: Bluma G. Soares, G.M.O. Barra, Alessandro Pegoretti, Sithiprumnea Dul, Sílvia Daniela Araújo da Silva Ramôa, Débora Pereira Schmitz
Publikováno v: Journal of Manufacturing Processes. 65:12-19
This work assesses the influence of material composition as well as printing parameters on the electromagnetic interference shielding effectiveness (EMI SE) of polymeric composites based on poly(acrylonitrile-co-butadiene-co-styrene) (ABS) filled wit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::980e1b7b21af712ab5c5c75d25c6a2bc
https://doi.org/10.1016/j.jmapro.2021.02.051
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5
Polypyrrole Modified E-Coat Paint for Corrosion Protection of Aluminum AA1200
Autor: Camila Aparecida Zimmermann, Débora Pereira Schmitz, Guilherme M. O. Barra, L.G. Ecco, Sílvia Daniela Araújo da Silva Ramôa, Giseli Contri, Michele Fedel
Publikováno v: Frontiers in Materials, Vol 7 (2020)
This article reports the potential use of Polypyrrole (PPy) particles as anticorrosive additive on an epoxy water-based paint to increase the corrosion protective property of aluminum-coated panels. AA1200 aluminum panels were painted using the elect
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::685b3afb78f1ea0c571d9b6f32208796
https://www.frontiersin.org/article/10.3389/fmats.2020.00045/full
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6
Epoxy coating based on montmorillonite-polypyrrole: Electrical properties and prospective application on corrosion protection of steel
Autor: Almir Spinelli, Fernando S. de Souza, L.G. Ecco, Sílvia Daniela Araújo da Silva Ramôa, G.M.O. Barra, Claudia Merlini, Giseli Contri
Publikováno v: Progress in Organic Coatings. 114:201-207
In this study, nanostructured composite based on Montmorillonite-Polypyrrole (Mt-PPy) was prepared via in situ chemical polymerization of Pyrrole in presence of Mt and dodecyl benzene sulfonic acid (DBSA). Subsequently, the as-prepared Mt-PPy additiv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3c43ce86ee1bf7f06b8fd9be543a9fd
https://doi.org/10.1016/j.porgcoat.2017.10.008
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7
Facile approach to produce water-dispersible conducting polyaniline powder
Autor: Guilherme M. O. Barra, José Carlos Ferreira Júnior, Sílvia Daniela Araújo da Silva Ramôa, Camila Aparecida Zimmermann
Publikováno v: Synthetic Metals. 267:116451
In this work, electrically conducting polyaniline (PAni) was obtained as a highly water-dispersible powder. The chemical aniline oxidative polymerization was conducted in the presence of poly(styrenesulfonic acid) (PSS) using ammonium peroxydisulfate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56f7b838fd3479cc5e37c203b0054bf3
https://doi.org/10.1016/j.synthmet.2020.116451
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8
Conductive Composites Based on Polyurethane and Nanostructured Conductive Filler of Montmorillonite/Polypyrrole for Electromagnetic Shielding Applications
Autor: Claudia Merlini, Guilherme M. O. Barra, Patricia Cristine Vargas, Sílvia Daniela Araújo da Silva Ramôa, Bluma G. Soares, Rafael Güntzel Arenhart
Publikováno v: Materials Research v.21 n.5 2018
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Vol 21, Iss 5 (2018)
Materials Research, Volume: 21, Issue: 5, Article number: e20180014, Published: 30 JUL 2018
In this study, composites based on polyurethane (PU) derived from castor oil and montmorillonite/polypyrrole doped with dodecylbenzenesulfonic acid (MMt-PPy.DBSA) were developed. In order to investigate the potential use of these materials for electr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54b553f11440b5051d30d4fbfd73a600
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392018000500224
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9
Obtenção de nanocompósitos condutores de montmorilonita/polipirrol: Efeito da incorporação do surfactante na estrutura e propriedades
Autor: Guilherme M. O. Barra, Claudia Merlini, Bluma G. Soares, Sílvia Daniela Araújo da Silva Ramôa
Publikováno v: Polímeros, Volume: 24, Issue: spe, Pages: 57-62, Published: 18 APR 2014
Polímeros, Vol 24, Iss spe, Pp 57-62 (2014)
Polímeros v.24 n.spe 2014
Polímeros (São Carlos. Online)
Associação Brasileira de Polímeros (ABPol)
instacron:ABPO
Nanocompósitos de montmorilonita/polipirrol (MMT/PPy) foram preparados a partir da polimerização in situ do pirrol na presença de argila, bentonita sódica natural, (MMT-Na+) em solução aquosa com ou sem surfactante aniônico, dodecil sulfato d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e39cb417cf2462633598887dbe27407c
https://doi.org/10.4322/polimeros.2014.051
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10
Novel electrically conductive polyurethane/montmorillonite-polypyrrole nanocomposites
Autor: Sébastien Livi, Bluma G. Soares, Alessandro Pegoretti, Sílvia Daniela Araújo da Silva Ramôa, G.M.O. Barra, Claudia Merlini
Publikováno v: Express Polymer Letters
Express Polymer Letters, BME-PT Hungary, 2015, 9, pp.945-958. ⟨10.3144/expresspolymlett.2015.85⟩
eXPRESS Polymer Letters, Vol 9, Iss 10, Pp 945-958 (2015)
International audience; This work describes the production of electrically conductive nanocomposites based on thermoplastic polyurethane (TPU) filled with montmorillonite-dodecylbenzenesulfonic acid-doped polypyrrole (Mt-PPy center dot DBSA) prepared
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd0fdca6e0a900cb19a777d10bc7a7e5
https://hal.archives-ouvertes.fr/hal-01221590
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