Redispersion and structural change evaluation of dried microfibrillated cellulose

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorSilva, Luiz Eduardo-
Autor(es): dc.creatorSantos, Allan de Amorim dos-
Autor(es): dc.creatorTorres, Lennard-
Autor(es): dc.creatorMcCaffrey, Zach-
Autor(es): dc.creatorKlamczynski, Artur-
Autor(es): dc.creatorGlenn, Gregory Melvin-
Autor(es): dc.creatorSena Neto, Alfredo Rodrigues de-
Autor(es): dc.creatorWood, Delilah-
Autor(es): dc.creatorWilliams, Tina-
Autor(es): dc.creatorOrts, William J.-
Autor(es): dc.creatorDamásio, Renato Augusto Pereira-
Autor(es): dc.creatorTonoli, Gustavo Henrique Denzin-
Data de aceite: dc.date.accessioned2026-02-09T11:47:50Z-
Data de disponibilização: dc.date.available2026-02-09T11:47:50Z-
Data de envio: dc.date.issued2022-01-17-
Data de envio: dc.date.issued2022-01-17-
Data de envio: dc.date.issued2020-12-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/48886-
Fonte completa do material: dc.identifierhttps://doi.org/10.1016/j.carbpol.2020.117165-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1147661-
Descrição: dc.descriptionCommercializing dried microfibrillated cellulose (MFC) has always been a challenge mainly due to the tendency of MFC to aggregate. In this study MFC samples were submitted to drying/redispersion cycles at different temperatures. Morphology, crystallinity and mechanical performance of films were analyzed throughout the cycles. Microscopy images, particle size and stability in water showed that aggregation happens more severely with 5 drying/redispersion cycles and at drying temperatures of 75 and 100 °C. Particles once-dried at 20 °C formed the same size and web-like structure as the MFC-control. Crystallinity and crystallite sizes increased with drying/redispersion cycles especially when dried at 75 and 100 °C, however drying/redispersion cycles also led to a reduction in mechanical performance due to aggregation. While oven-drying is not the most suitable method, milder action at room temperature once-drying led to suspension stability in water, morphology and mechanical properties close to never-dried MFC, which makes this treatment a feasible option to maintain cellulose quality.-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceCarbohydrate Polymers-
Palavras-chave: dc.subjectCellulose nanofibers-
Palavras-chave: dc.subjectNanofibrils-
Palavras-chave: dc.subjectNanocellulose-
Palavras-chave: dc.subjectHornification-
Palavras-chave: dc.subjectCrystallinity-
Palavras-chave: dc.subjectAggregates-
Palavras-chave: dc.subjectNanofibras de celulose-
Palavras-chave: dc.subjectNanofibrilas-
Palavras-chave: dc.subjectNanocelulose-
Palavras-chave: dc.subjectHornificação-
Palavras-chave: dc.subjectCristalinidade-
Título: dc.titleRedispersion and structural change evaluation of dried microfibrillated cellulose-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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