Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites
Polyhydroxybutyrate (PHB)/Babassu fiber biocomposites were developed via compression molding and subjected to extensive characterization. ATR-FTIR analysis indicated physical interactions between the components due to their chemical similarities. XRD patterns revealed minor structural disorganizatio...
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Elsevier
2025-05-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S223878542501141X |
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| author | Camila Ferreira Gerardo Laysa Silva Barboza Ana Carolina Bastos Rodrigues Beatriz Cruz Bastos Pedro Henrique Poubel Mendonça da Silveira Sergio Neves Monteiro Shirleny Fontes Santos Neyda de La Caridad Om Tapanes Daniele Cruz Bastos |
| author_facet | Camila Ferreira Gerardo Laysa Silva Barboza Ana Carolina Bastos Rodrigues Beatriz Cruz Bastos Pedro Henrique Poubel Mendonça da Silveira Sergio Neves Monteiro Shirleny Fontes Santos Neyda de La Caridad Om Tapanes Daniele Cruz Bastos |
| author_sort | Camila Ferreira Gerardo |
| collection | DOAJ |
| description | Polyhydroxybutyrate (PHB)/Babassu fiber biocomposites were developed via compression molding and subjected to extensive characterization. ATR-FTIR analysis indicated physical interactions between the components due to their chemical similarities. XRD patterns revealed minor structural disorganization in the PHB/Babassu 85/15 and 80/20 formulations, with a slight decrease in crystallinity. SEM analysis demonstrated weak polymer-matrix adhesion in these samples, which may affect mechanical performance. The incorporation of babassu increased the water contact angle, enhancing hydrophobicity, particularly in the 90/10 and 80/20 formulations. Tensile tests showed that the PHB/Babassu 90/10 composite maintained mechanical properties comparable to pure PHB, while higher babassu content (20 %) led to decreased performance due to poor interfacial adhesion. Impact resistance was slightly improved in the 90/10 formulation, aligning with hardness results. Thermogravimetric analysis indicated that PHB primarily degrades between 250 and 310 °C, while PHB/Babassu composites exhibited an initial weight loss due to moisture release. Babassu had minimal influence on thermal stability; however, a 10 % filler content increased Tonset by approximately 10 °C, whereas higher concentrations showed negligible variation. The PHB/Babassu 90/10 composition stands out for its balance between mechanical strength and environmental sustainability, making it a promising candidate for biodegradable applications, such as packaging and agricultural films. Further studies should explore improved filler dispersion to enhance mechanical properties and broaden potential applications. |
| format | Article |
| id | doaj-art-a1ee0b600bd641c8b7c673bbcacede68 |
| institution | OA Journals |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-a1ee0b600bd641c8b7c673bbcacede682025-08-20T02:11:18ZengElsevierJournal of Materials Research and Technology2238-78542025-05-01366969698110.1016/j.jmrt.2025.04.320Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocompositesCamila Ferreira Gerardo0Laysa Silva Barboza1Ana Carolina Bastos Rodrigues2Beatriz Cruz Bastos3Pedro Henrique Poubel Mendonça da Silveira4Sergio Neves Monteiro5Shirleny Fontes Santos6Neyda de La Caridad Om Tapanes7Daniele Cruz Bastos8State University of Rio de Janeiro- UERJ, Campus Zona Oeste, Departament of Materials, Avenida Manuel Caldeira de Alvarenga, 1203, Campo Grande, CEP 23070-200, Rio de Janeiro, RJ, BrazilState University of Rio de Janeiro- UERJ, Campus Zona Oeste, Departament of Materials, Avenida Manuel Caldeira de Alvarenga, 1203, Campo Grande, CEP 23070-200, Rio de Janeiro, RJ, BrazilState University of Rio de Janeiro- UERJ, Campus Zona Oeste, Departament of Materials, Avenida Manuel Caldeira de Alvarenga, 1203, Campo Grande, CEP 23070-200, Rio de Janeiro, RJ, BrazilFederal University of Rio de Janeiro – UFRJ, Escola de Química, Avenida Athos Silveira Ramos, 149, Cidade Universitária, CEP 21941-909, Rio de Janeiro, RJ, BrazilMilitary Institute of Engineering - IME, Departament of Materials Science, Praça General Tibúrcio, 80, Praia Vermelha, RJ, Urca, CEP 22290-270, Rio de Janeiro, RJ, Brazil; Corresponding author.Military Institute of Engineering - IME, Departament of Materials Science, Praça General Tibúrcio, 80, Praia Vermelha, RJ, Urca, CEP 22290-270, Rio de Janeiro, RJ, BrazilState University of Rio de Janeiro- UERJ, Campus Zona Oeste, Departament of Materials, Avenida Manuel Caldeira de Alvarenga, 1203, Campo Grande, CEP 23070-200, Rio de Janeiro, RJ, BrazilState University of Rio de Janeiro- UERJ, Campus Zona Oeste, Departament of Materials, Avenida Manuel Caldeira de Alvarenga, 1203, Campo Grande, CEP 23070-200, Rio de Janeiro, RJ, BrazilState University of Rio de Janeiro- UERJ, Campus Zona Oeste, Departament of Materials, Avenida Manuel Caldeira de Alvarenga, 1203, Campo Grande, CEP 23070-200, Rio de Janeiro, RJ, Brazil; Corresponding author.Polyhydroxybutyrate (PHB)/Babassu fiber biocomposites were developed via compression molding and subjected to extensive characterization. ATR-FTIR analysis indicated physical interactions between the components due to their chemical similarities. XRD patterns revealed minor structural disorganization in the PHB/Babassu 85/15 and 80/20 formulations, with a slight decrease in crystallinity. SEM analysis demonstrated weak polymer-matrix adhesion in these samples, which may affect mechanical performance. The incorporation of babassu increased the water contact angle, enhancing hydrophobicity, particularly in the 90/10 and 80/20 formulations. Tensile tests showed that the PHB/Babassu 90/10 composite maintained mechanical properties comparable to pure PHB, while higher babassu content (20 %) led to decreased performance due to poor interfacial adhesion. Impact resistance was slightly improved in the 90/10 formulation, aligning with hardness results. Thermogravimetric analysis indicated that PHB primarily degrades between 250 and 310 °C, while PHB/Babassu composites exhibited an initial weight loss due to moisture release. Babassu had minimal influence on thermal stability; however, a 10 % filler content increased Tonset by approximately 10 °C, whereas higher concentrations showed negligible variation. The PHB/Babassu 90/10 composition stands out for its balance between mechanical strength and environmental sustainability, making it a promising candidate for biodegradable applications, such as packaging and agricultural films. Further studies should explore improved filler dispersion to enhance mechanical properties and broaden potential applications.http://www.sciencedirect.com/science/article/pii/S223878542501141XPHBBioplasticsBabassu fiberBiodegradable compositesMechanical propertiesThermal stability |
| spellingShingle | Camila Ferreira Gerardo Laysa Silva Barboza Ana Carolina Bastos Rodrigues Beatriz Cruz Bastos Pedro Henrique Poubel Mendonça da Silveira Sergio Neves Monteiro Shirleny Fontes Santos Neyda de La Caridad Om Tapanes Daniele Cruz Bastos Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites Journal of Materials Research and Technology PHB Bioplastics Babassu fiber Biodegradable composites Mechanical properties Thermal stability |
| title | Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites |
| title_full | Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites |
| title_fullStr | Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites |
| title_full_unstemmed | Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites |
| title_short | Influence of babassu fiber content on the chemical, physical and mechanical properties of polyhydroxybutyrate/babassu biocomposites |
| title_sort | influence of babassu fiber content on the chemical physical and mechanical properties of polyhydroxybutyrate babassu biocomposites |
| topic | PHB Bioplastics Babassu fiber Biodegradable composites Mechanical properties Thermal stability |
| url | http://www.sciencedirect.com/science/article/pii/S223878542501141X |
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