Role of Plasticizers on PHB/bio-TPE Blends Compatibilized by Reactive Extrusion
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Altres documents de l'autoria: Samaniego Aguilar, Kerly; Matos Mendez; Sánchez-Safont, Estefanía; Candal, Maria; LAGARON, Jose; Cabedo, Luis; Gamez-Perez, Jose
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Títol
Role of Plasticizers on PHB/bio-TPE Blends Compatibilized by Reactive ExtrusionAutoria
Data de publicació
2022-02-07Editor
MDPIISSN
1996-1944Cita bibliogràfica
Samaniego, K.; Matos, A.; Sánchez-Safont, E.; Candal, M.V.; Lagaron, J.M.; Cabedo, L.; Gamez-Perez, J. Role of Plasticizers on PHB/bio-TPE Blends Compatibilized by Reactive Extrusion. Materials 2022, 15, 1226. https://doi.org/10.3390/ ma15031226Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.mdpi.com/1996-1944/15/3/1226Versió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
Poly(hydroxybutyrate) (PHB) is a biopolymer biologically synthesized by controlled bac-
terial fermentation from a wide variety of microorganisms. PHB is proposed as a potential green
alternative to commonly used ... [+]
Poly(hydroxybutyrate) (PHB) is a biopolymer biologically synthesized by controlled bac-
terial fermentation from a wide variety of microorganisms. PHB is proposed as a potential green
alternative to commonly used plastics in packaging, due to its biodegradability and biocompatibility.
However, if PHB is to replace commodities, it has some limitations regarding its thermo-mechanical
performance to overcome. Among them are its critically the low toughness values at room tem-
perature and poor thermoforming ability. With the aim of overcoming these weaknesses, in this
work, blends of PHB with the addition of a biodegradable thermoplastic elastomer (bio-TPE) were
prepared and evaluated. Films of such compounds were made by cast extrusion. In order to enhance
the compatibility of both polymers during the extrusion process, three different reactive agents
(poly-hexametylene diisocianate, triglycidyl isocyanurate, and Joncryl® ADR-4368) were assessed.
The morphology and mechanical- and thermal properties of the films obtained were analyzed.
In addition, the thermoforming ability of the produced films was evaluated. The results show that
the plasticizers present in the bio-TPE interacted with the reactive agents, making them chemical
competitors and altering the outcome of the blends. [-]
Publicat a
Materials, vol. 15, núm. 3 (2022)Entitat finançadora
Universitat Jaume I | FEDER “Una manera de hacer Europa” | MCIN/AEI/ 10.13039/501100011033
Codi del projecte o subvenció
JI-B2019-44 | TI2018-097249-B-C2
Títol del projecte o subvenció
Desarrollo de un material basado en PHA compostable y biodegradable en el mundo marino de aplicación en productos inyectados de un solo uso | Envase activo multicapa termoformable de alta barrera basado en economía biocircular (ocean-pack)
Drets d'accés
info:eu-repo/semantics/openAccess
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