Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.21/9120 |
Resumo: | Nano-Fe3O4-synthetic talc gel was used as filler in the synthesis of waterborne polyurethane/Fe3O4-synthetic talc nanocomposites. This filler presents numerous edges (Si-O and Mg-O) and OH groups easily forming hydrogen bonds and polar interaction with water conferring hydrophilic character, consequently improving filler dispersion within a water-based matrix. Yet, the use of waterborne polyurethane (WPU) as matrix must be highlighted due to its environmentally friendly characteristics and low toxicity compared to solvent-based product. Fe3O4-synthetic talc-nanofillers were well dispersed into the polyurethane matrix even at high filler content as supported by XRD and TEM analyses. NMR indicates the interaction of filler OH groups with the matrix. For all nanocomposites, one can see a typical ferromagnetic behavior below Curie temperature (about 120 K) and a superparamagnetic behavior above this temperature. The use of Fe3O4-synthetic talc for obtaining magnetic nanocomposites resulted in improved materials with superior mechanical properties compared to solvent-based nanocomposites. |
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Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic propertiesWaterborne polyurethaneNanocompositesPhysical mixtureNano-Fe3O4-synthetic talc gel was used as filler in the synthesis of waterborne polyurethane/Fe3O4-synthetic talc nanocomposites. This filler presents numerous edges (Si-O and Mg-O) and OH groups easily forming hydrogen bonds and polar interaction with water conferring hydrophilic character, consequently improving filler dispersion within a water-based matrix. Yet, the use of waterborne polyurethane (WPU) as matrix must be highlighted due to its environmentally friendly characteristics and low toxicity compared to solvent-based product. Fe3O4-synthetic talc-nanofillers were well dispersed into the polyurethane matrix even at high filler content as supported by XRD and TEM analyses. NMR indicates the interaction of filler OH groups with the matrix. For all nanocomposites, one can see a typical ferromagnetic behavior below Curie temperature (about 120 K) and a superparamagnetic behavior above this temperature. The use of Fe3O4-synthetic talc for obtaining magnetic nanocomposites resulted in improved materials with superior mechanical properties compared to solvent-based nanocomposites.SpringerRCIPLDos Santos, LeonardoLigabue, RosaneDumas, AngelaLe Roux, ChristopheMicoud, PierreMeunier, Jean-FrançoisMartin, FrançoisCorvo, Marta C.Almeida, Pedro L.Einloft, Sandra2018-12-03T11:20:21Z2018-052018-05-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/9120engSANTOS, Leonardo M. dos; [et al] – Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties. Polymer Bulletin. ISSN 0170-0839. Vol. 75, N.º 5 (2018), pp 1915-19300170-083910.1007/s00289-017-2133-9metadata only accessinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T09:57:26Zoai:repositorio.ipl.pt:10400.21/9120Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:17:45.683844Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
title |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
spellingShingle |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties Dos Santos, Leonardo Waterborne polyurethane Nanocomposites Physical mixture |
title_short |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
title_full |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
title_fullStr |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
title_full_unstemmed |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
title_sort |
Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties |
author |
Dos Santos, Leonardo |
author_facet |
Dos Santos, Leonardo Ligabue, Rosane Dumas, Angela Le Roux, Christophe Micoud, Pierre Meunier, Jean-François Martin, François Corvo, Marta C. Almeida, Pedro L. Einloft, Sandra |
author_role |
author |
author2 |
Ligabue, Rosane Dumas, Angela Le Roux, Christophe Micoud, Pierre Meunier, Jean-François Martin, François Corvo, Marta C. Almeida, Pedro L. Einloft, Sandra |
author2_role |
author author author author author author author author author |
dc.contributor.none.fl_str_mv |
RCIPL |
dc.contributor.author.fl_str_mv |
Dos Santos, Leonardo Ligabue, Rosane Dumas, Angela Le Roux, Christophe Micoud, Pierre Meunier, Jean-François Martin, François Corvo, Marta C. Almeida, Pedro L. Einloft, Sandra |
dc.subject.por.fl_str_mv |
Waterborne polyurethane Nanocomposites Physical mixture |
topic |
Waterborne polyurethane Nanocomposites Physical mixture |
description |
Nano-Fe3O4-synthetic talc gel was used as filler in the synthesis of waterborne polyurethane/Fe3O4-synthetic talc nanocomposites. This filler presents numerous edges (Si-O and Mg-O) and OH groups easily forming hydrogen bonds and polar interaction with water conferring hydrophilic character, consequently improving filler dispersion within a water-based matrix. Yet, the use of waterborne polyurethane (WPU) as matrix must be highlighted due to its environmentally friendly characteristics and low toxicity compared to solvent-based product. Fe3O4-synthetic talc-nanofillers were well dispersed into the polyurethane matrix even at high filler content as supported by XRD and TEM analyses. NMR indicates the interaction of filler OH groups with the matrix. For all nanocomposites, one can see a typical ferromagnetic behavior below Curie temperature (about 120 K) and a superparamagnetic behavior above this temperature. The use of Fe3O4-synthetic talc for obtaining magnetic nanocomposites resulted in improved materials with superior mechanical properties compared to solvent-based nanocomposites. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-12-03T11:20:21Z 2018-05 2018-05-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.21/9120 |
url |
http://hdl.handle.net/10400.21/9120 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
SANTOS, Leonardo M. dos; [et al] – Waterborne polyurethane/Fe3O4-synthetic talc composites: synthesis, characterization, and magnetic properties. Polymer Bulletin. ISSN 0170-0839. Vol. 75, N.º 5 (2018), pp 1915-1930 0170-0839 10.1007/s00289-017-2133-9 |
dc.rights.driver.fl_str_mv |
metadata only access info:eu-repo/semantics/openAccess |
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metadata only access |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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1799133440868614144 |