Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging

Single-use packaging is a major contributor to municipal solid waste and cause of plastic pollution worldwide, whereas the adoption of biodegradable alternatives is still hampered by significant challenges such as performance shortfalls and inadequate barrier properties. The present work utilizes co...

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Autores principales:	Arturo Rodriguez-Uribe, Tao Wang, Akhilesh K. Pal, Feng Wu, Amar K. Mohanty, Manjusri Misra
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Packaging Single-use Biodegradable Compostable Biobased Biocomposites Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/4e87658d51bb4e4aafdcfeb3558d4a58
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spelling	oai:doaj.org-article:4e87658d51bb4e4aafdcfeb3558d4a582021-12-02T05:04:09ZInjection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging2666-682010.1016/j.jcomc.2021.100201https://doaj.org/article/4e87658d51bb4e4aafdcfeb3558d4a582021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666682021000943https://doaj.org/toc/2666-6820Single-use packaging is a major contributor to municipal solid waste and cause of plastic pollution worldwide, whereas the adoption of biodegradable alternatives is still hampered by significant challenges such as performance shortfalls and inadequate barrier properties. The present work utilizes compostable polymers, namely biobased poly(butylene succinate) (BioPBS) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), combined with hybrid natural fillers to achieve enhanced processability and barrier performances for substituting conventional plastic packaging. BioPBS reinforced with 20 wt.% talc showed improved barrier properties over the neat BioPBS, with both the oxygen and water vapor permeabilities improving by about 60%. With the blending of 20 wt.% PHBV, an overall further improvement of about 80% in both properties were achieved. The use of 1% maleic anhydride grafted BioPBS and BioPBS/PHBV-blend coupling agents enhanced the interfacial adhesion of the composites resulting in a consistent improvement of the tensile strength at yield and the oxygen barrier. The incorporation of 5% starch, which could potentially boost the biodegradability of the composites, helped in enhancing the toughness of the material at the expense of lowered barrier properties. Overall, the biocomposites demonstrated comparable mechanical properties to some commodity plastics such as polyolefins while having low oxygen and water permeability, showing great promise for applications in sustainable packaging.Arturo Rodriguez-UribeTao WangAkhilesh K. PalFeng WuAmar K. MohantyManjusri MisraElsevierarticlePackagingSingle-useBiodegradableCompostableBiobasedBiocompositesMaterials of engineering and construction. Mechanics of materialsTA401-492ENComposites Part C: Open Access, Vol 6, Iss , Pp 100201- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Packaging Single-use Biodegradable Compostable Biobased Biocomposites Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Packaging Single-use Biodegradable Compostable Biobased Biocomposites Materials of engineering and construction. Mechanics of materials TA401-492 Arturo Rodriguez-Uribe Tao Wang Akhilesh K. Pal Feng Wu Amar K. Mohanty Manjusri Misra Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging
description	Single-use packaging is a major contributor to municipal solid waste and cause of plastic pollution worldwide, whereas the adoption of biodegradable alternatives is still hampered by significant challenges such as performance shortfalls and inadequate barrier properties. The present work utilizes compostable polymers, namely biobased poly(butylene succinate) (BioPBS) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), combined with hybrid natural fillers to achieve enhanced processability and barrier performances for substituting conventional plastic packaging. BioPBS reinforced with 20 wt.% talc showed improved barrier properties over the neat BioPBS, with both the oxygen and water vapor permeabilities improving by about 60%. With the blending of 20 wt.% PHBV, an overall further improvement of about 80% in both properties were achieved. The use of 1% maleic anhydride grafted BioPBS and BioPBS/PHBV-blend coupling agents enhanced the interfacial adhesion of the composites resulting in a consistent improvement of the tensile strength at yield and the oxygen barrier. The incorporation of 5% starch, which could potentially boost the biodegradability of the composites, helped in enhancing the toughness of the material at the expense of lowered barrier properties. Overall, the biocomposites demonstrated comparable mechanical properties to some commodity plastics such as polyolefins while having low oxygen and water permeability, showing great promise for applications in sustainable packaging.
format	article
author	Arturo Rodriguez-Uribe Tao Wang Akhilesh K. Pal Feng Wu Amar K. Mohanty Manjusri Misra
author_facet	Arturo Rodriguez-Uribe Tao Wang Akhilesh K. Pal Feng Wu Amar K. Mohanty Manjusri Misra
author_sort	Arturo Rodriguez-Uribe
title	Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging
title_short	Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging
title_full	Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging
title_fullStr	Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging
title_full_unstemmed	Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging
title_sort	injection moldable hybrid sustainable composites of biopbs and phbv reinforced with talc and starch as potential alternatives to single-use plastic packaging
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4e87658d51bb4e4aafdcfeb3558d4a58
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Injection moldable hybrid sustainable composites of BioPBS and PHBV reinforced with talc and starch as potential alternatives to single-use plastic packaging

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