Physicochemical Properties of Hybrid Biodegradable Silica-Hydrogel Composites

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCiência e Tecnologia de São Paulo (IFSP)-
Autor(es): dc.creatorFilho, Adhemar Watanuki-
Autor(es): dc.creatorYonezawa, Uilian Gabaldi-
Autor(es): dc.creatorde Moura, Marcia Regina-
Autor(es): dc.creatorAouada, Fauze Ahmad-
Data de aceite: dc.date.accessioned2025-08-21T18:11:17Z-
Data de disponibilização: dc.date.available2025-08-21T18:11:17Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2022-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/1980-5373-MR-2023-0062-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/303521-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/303521-
Descrição: dc.descriptionHydrogels based on polyacrylamide, carboxymethylcellulose and silica are composites with good absorption and release properties over time, and this behavior allow their application in several areas. Thus, the aim of study was to analyze the absorption kinetic, spectroscopic, morphological, and structural properties of hydrogels prepared using different silica concentrations (0, 0.5, and 2.5%). The results showed that the swelling degree reduces with increasing silica, i.e., there was increase in crosslinking density, which was confirmed by SEM images. The reductions in the swelling degrees at equilibrium were 26.19% (0.50% silica) and 22.02% (2.5% silica) when compared to PAAm+CMC hydrogel. FTIR spectra showed characteristic spectroscopic bands of silica between 1384 and 1120 cm-1 indicating that its incorporation into the hydrogel matrix has occurred, which was also observedin the XRD diffractograms. Thus, the study of biodegradable hybrid hydrogels is relevant because theycan potentially be applied in areas such as agriculture, tissue engineering and even civil construction.-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP) Faculdade de Engenharia Departamento de Física e Química Grupo de Compósitos e Nanocompósitos Híbridos (GCNH), Avenida Brasil, 56, Centro, SP-
Descrição: dc.descriptionInstituto Federal de Educação Ciência e Tecnologia de São Paulo (IFSP) Departamento de Construção Civil, Alameda Tucurui, 164, Zona Norte, SP-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP) Faculdade de Engenharia Departamento de Física e Química Grupo de Compósitos e Nanocompósitos Híbridos (GCNH), Avenida Brasil, 56, Centro, SP-
Idioma: dc.languageen-
Relação: dc.relationMaterials Research-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectComposite-
Palavras-chave: dc.subjecthydrogel-
Palavras-chave: dc.subjectpolymer absorbent-
Palavras-chave: dc.subjectsilica-
Título: dc.titlePhysicochemical Properties of Hybrid Biodegradable Silica-Hydrogel Composites-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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