Polylactic acid effectively reinforced with reduced graphitic oxide
The present study was developed to reinforce a thermoplastic matrix with carbonaceous material to improve its thermal and mechanical properties. Composite materials formed from the homogenization of polylactic acid (PLA) and reduced graphitic oxide (RGO) were synthesized and characterized, reinforce...
- Autores:
-
De La Cruz Natera, Alejandra
Cordero García, Adriana
Restrepo Betancourt, Juan
Arias Tapia, Mary Judith
- Tipo de recurso:
- Fecha de publicación:
- 2022
- Institución:
- Universidad Tecnológica de Bolívar
- Repositorio:
- Repositorio Institucional UTB
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.utb.edu.co:20.500.12585/12365
- Acceso en línea:
- https://hdl.handle.net/20.500.12585/12365
- Palabra clave:
- Composite
Mechanical properties
Polylactic acid
Reduced graphitic oxide
Reinforcement
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc-nd/4.0/
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Polylactic acid effectively reinforced with reduced graphitic oxide |
| title |
Polylactic acid effectively reinforced with reduced graphitic oxide |
| spellingShingle |
Polylactic acid effectively reinforced with reduced graphitic oxide Composite Mechanical properties Polylactic acid Reduced graphitic oxide Reinforcement |
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Polylactic acid effectively reinforced with reduced graphitic oxide |
| title_full |
Polylactic acid effectively reinforced with reduced graphitic oxide |
| title_fullStr |
Polylactic acid effectively reinforced with reduced graphitic oxide |
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Polylactic acid effectively reinforced with reduced graphitic oxide |
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Polylactic acid effectively reinforced with reduced graphitic oxide |
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De La Cruz Natera, Alejandra Cordero García, Adriana Restrepo Betancourt, Juan Arias Tapia, Mary Judith |
| dc.contributor.author.none.fl_str_mv |
De La Cruz Natera, Alejandra Cordero García, Adriana Restrepo Betancourt, Juan Arias Tapia, Mary Judith |
| dc.subject.keywords.spa.fl_str_mv |
Composite Mechanical properties Polylactic acid Reduced graphitic oxide Reinforcement |
| topic |
Composite Mechanical properties Polylactic acid Reduced graphitic oxide Reinforcement |
| description |
The present study was developed to reinforce a thermoplastic matrix with carbonaceous material to improve its thermal and mechanical properties. Composite materials formed from the homogenization of polylactic acid (PLA) and reduced graphitic oxide (RGO) were synthesized and characterized, reinforcement of the polymer's thermomechanical properties and the adequate homogeneity ratio in the dispersion of the composite material were studied. Graphitic oxide (GO) was synthesized by the modified Hummers method, followed by thermal exfoliation. The chemical composition and the structure of RGO were studied by infrared (FT-IR) and Raman spectroscopies, respectively. PLA composites with different RGO contents (2 and 3% by weight) were prepared and compared in terms of distribution of RGO in the matrix and morphology, using scanning electron microscopy. The thermal stability of the composites was determined through thermogravimetric analysis. Torque of the different composites was measured, which increased at 21%; the tensile test showed an improvement in the mechanical parameters of the composites because the RGO favors the rigidity of the composite. In addition, the oxygenated functional groups present in the RGO allowed a more significant interaction with the PLA matrix, which results in an effective reinforcement of the mechanical properties of the composite material |
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2022 |
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2022-09-01 |
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2023-07-21T20:45:56Z |
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2023-07-21T20:45:56Z |
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2023-07 |
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De La Cruz Natera, A., Cordero García, A., Restrepo Betancourt, J., Arias Tapia, M. & Vargas Ceballos, O. (2022). Polylactic acid effectively reinforced with reduced graphitic oxide. Journal of Polymer Engineering, 42(8), 736-743. https://doi.org/10.1515/polyeng-2021-0363 |
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https://hdl.handle.net/20.500.12585/12365 |
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10.1515/polyeng-2021-0363 |
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Universidad Tecnológica de Bolívar |
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Repositorio Universidad Tecnológica de Bolívar |
| identifier_str_mv |
De La Cruz Natera, A., Cordero García, A., Restrepo Betancourt, J., Arias Tapia, M. & Vargas Ceballos, O. (2022). Polylactic acid effectively reinforced with reduced graphitic oxide. Journal of Polymer Engineering, 42(8), 736-743. https://doi.org/10.1515/polyeng-2021-0363 10.1515/polyeng-2021-0363 Universidad Tecnológica de Bolívar Repositorio Universidad Tecnológica de Bolívar |
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https://hdl.handle.net/20.500.12585/12365 |
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eng |
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eng |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivatives 4.0 Internacional |
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openAccess |
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8 páginas |
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Pdf |
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application/pdf |
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Cartagena de Indias |
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Journal of Polymer Engineering - Vol. 42 No. 8 (2022) |
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Universidad Tecnológica de Bolívar |
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De La Cruz Natera, Alejandradcaeb277-77f0-434f-9727-3accf99ada0aCordero García, Adriana5d97dcd5-0e6a-4f01-8c6a-e0c8bd3727c3Restrepo Betancourt, Juan8de28b49-0bd4-4d44-839d-5f0542c5a306Arias Tapia, Mary Judith239f5c16-2ee2-494b-8708-8d3702dc094c2023-07-21T20:45:56Z2023-07-21T20:45:56Z2022-09-012023-07De La Cruz Natera, A., Cordero García, A., Restrepo Betancourt, J., Arias Tapia, M. & Vargas Ceballos, O. (2022). Polylactic acid effectively reinforced with reduced graphitic oxide. Journal of Polymer Engineering, 42(8), 736-743. https://doi.org/10.1515/polyeng-2021-0363https://hdl.handle.net/20.500.12585/1236510.1515/polyeng-2021-0363Universidad Tecnológica de BolívarRepositorio Universidad Tecnológica de BolívarThe present study was developed to reinforce a thermoplastic matrix with carbonaceous material to improve its thermal and mechanical properties. Composite materials formed from the homogenization of polylactic acid (PLA) and reduced graphitic oxide (RGO) were synthesized and characterized, reinforcement of the polymer's thermomechanical properties and the adequate homogeneity ratio in the dispersion of the composite material were studied. Graphitic oxide (GO) was synthesized by the modified Hummers method, followed by thermal exfoliation. The chemical composition and the structure of RGO were studied by infrared (FT-IR) and Raman spectroscopies, respectively. PLA composites with different RGO contents (2 and 3% by weight) were prepared and compared in terms of distribution of RGO in the matrix and morphology, using scanning electron microscopy. The thermal stability of the composites was determined through thermogravimetric analysis. Torque of the different composites was measured, which increased at 21%; the tensile test showed an improvement in the mechanical parameters of the composites because the RGO favors the rigidity of the composite. In addition, the oxygenated functional groups present in the RGO allowed a more significant interaction with the PLA matrix, which results in an effective reinforcement of the mechanical properties of the composite material8 páginasPdfapplication/pdfenghttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://purl.org/coar/access_right/c_abf2Journal of Polymer Engineering - Vol. 42 No. 8 (2022)Polylactic acid effectively reinforced with reduced graphitic oxideinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/drafthttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/version/c_b1a7d7d4d402bccehttp://purl.org/coar/resource_type/c_2df8fbb1CompositeMechanical propertiesPolylactic acidReduced graphitic oxideReinforcementCartagena de IndiasTsuji, H., Echizen, Y., Nishimura, Y. Photodegradation of biodegradable polyesters: A comprehensive study on poly(l-lactide) and poly(ε-caprolactone) (2006) Polymer Degradation and Stability, 91 (5), pp. 1128-1137. Cited 144 times. doi: 10.1016/j.polymdegradstab.2005.07.007Auras, R., Lim, L.-T., Selke, S.E.M., Tsuji, H. Poly(Lactic Acid): Synthesis, Structures, Properties, Processing, and Applications (2010) Poly(Lactic Acid): Synthesis, Structures, Properties, Processing, and Applications. Cited 906 times. http://onlinelibrary.wiley.com/book/10.1002/9780470649848 ISBN: 978-047029366-9 doi: 10.1002/9780470649848Oksman, K., Skrifvars, M., Selin, J.-F. Natural fibres as reinforcement in polylactic acid (PLA) composites (2003) Composites Science and Technology, 63 (9), pp. 1317-1324. Cited 1286 times. http://www.journals.elsevier.com/composites-science-and-technology/ doi: 10.1016/S0266-3538(03)00103-9Liu, H., Zhang, J. 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(2019) Mechanical Properties of Polycarbonate ISTE Press Ltd, Elsevier Ltd London 1stChapterhttp://purl.org/coar/resource_type/c_2df8fbb1ORIGINALPolylactic acid effectively reinforced with reduced graphitic oxide.pdfPolylactic acid effectively reinforced with reduced graphitic oxide.pdfapplication/pdf164452https://repositorio.utb.edu.co/bitstream/20.500.12585/12365/1/Polylactic%20acid%20effectively%20reinforced%20with%20reduced%20graphitic%20oxide.pdfaa6b39236326d7130bd1e66e9e7908b1MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8805https://repositorio.utb.edu.co/bitstream/20.500.12585/12365/2/license_rdf4460e5956bc1d1639be9ae6146a50347MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-83182https://repositorio.utb.edu.co/bitstream/20.500.12585/12365/3/license.txte20ad307a1c5f3f25af9304a7a7c86b6MD53TEXTPolylactic acid effectively reinforced with reduced graphitic oxide.pdf.txtPolylactic acid effectively reinforced with reduced graphitic oxide.pdf.txtExtracted 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