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Particles of coffee wastes as reinforcement in polyhydroxybutyrate (PHB) based composites

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dc.contributor.author Reis, Kelen Cristina
dc.contributor.author Pereira, Lucinéia
dc.contributor.author Melo, Isabel Cristina Nogueira Alves
dc.contributor.author Marconcini, José Manoel
dc.contributor.author Trugilho, Paulo Fernando
dc.contributor.author Tonoli, Gustavo Henrique Denzin
dc.date.accessioned 2022-07-13T20:12:48Z
dc.date.available 2022-07-13T20:12:48Z
dc.date.issued 2015
dc.identifier.citation REIS, K. C. et al. Particles of coffee wastes as reinforcement in polyhydroxybutyrate (PHB) based composites. Materials Research, São Carlos, v. 18, n. 3, p. 546-552, 2015. pt_BR
dc.identifier.issn 1980-5373
dc.identifier.uri http://dx.doi.org/10.1590/1516-1439.318114 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/13576
dc.description.abstract The objective of the present study was to evaluate lignocellulosic particles from sub-products of the coffee industry (coffee parchment - CP and husk - CH) into polyhydroxybutyrate (PHB) as a promising reinforcing filler in the biocomposites. The effects of type (CP or CH) and content (neat, 10% and 20%) of coffee wastes on the thermal, mechanical, microstructural and physical properties of the ensuing composites were evaluated. Thermal stability of the composites was improved by the coffee residues at different contents, while degree of crystallinity was decreased with the inclusion of CP. The addition of 10% of CP has not influenced significantly the tensile strength (TS) and Izod strength (IS), in relation to the neat PHB. Tensile strength (TS), MOE and Izod strength (IS) of the composites have increased significantly with the inclusion of 20% of CP. The increase in the content of coffee waste particles increased the water absorption of the composites. pt_BR
dc.format pdf pt_BR
dc.language.iso en pt_BR
dc.publisher ABM, ABC, ABPol pt_BR
dc.relation.ispartofseries Materials Research;v.18, n.3, 2015
dc.rights Open Access pt_BR
dc.subject Coffee residues pt_BR
dc.subject Biopolymer pt_BR
dc.subject Biocomposite pt_BR
dc.subject Extrusion pt_BR
dc.subject Injection pt_BR
dc.subject.classification Cafeicultura::Resíduos e subprodutos do café pt_BR
dc.title Particles of coffee wastes as reinforcement in polyhydroxybutyrate (PHB) based composites pt_BR
dc.type Artigo pt_BR

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