This study focuses on investigating the influence of the addition of different organic-based additives on the physical-mechanical properties of a bioplastic derived from biomass. In particular, organic waste represents a powerful matrix being very rich in important biomolecules and thus a source of raw materials always available in large quantities, at no cost. All the samples object of this work are made of an innovative bioplastic produced from organic waste by a sustainable synthesis subject to industrial secrecy. All of them are 100% bio-based, biodegradable and compostable according to EN 13432. In order to improve bioplastic characteristics and its mechanical resistance, organic fillers of different nature were used as a reinforcement in bioplastic matrix. In this work we propose to evaluate the effects on the physical-mechanical properties of the addition of 100% bio-based additives of different nature: a fibrous component consisting of plant fibers, an inert organic component in the form of semi-hard granules, a mixture of the two components in order to evaluate the effect of co-presence of the two, an eco-friendly crosslinking agent, an alternative treatment of the matrix. Compression and flexure testing were performed in order to determine the mechanical properties of the materials. Moisture content and wettability tests were also performed. Surface morphologies of the composite bioplastic samples were examined by scanning electron microscope (SEM). The mechanical tests led to describe a resilient and tough behavior for the sample alternatively treated, assimilable to the performance of TPS. The material therefore already meets desirable performance for a bioplastic, even though TPS is considered a brittle thermoplastic. Thanks to the results obtained with these composite materials it is possible to reach the levels of cellulose and obtain further improvements: the fibers, or even just the crosslinker, can represent an additional reinforcement.
Lettieri, R., Fazio, V., Abruzzese, D., Micheletti, A., Tiero, A., Gatto, E. (2022). Characterization of bioplastic composite samples derivde form biomass. ??????? it.cilea.surplus.oa.citation.tipologie.CitationProceedings.prensentedAt ??????? Polymer Networks Group - PNG 2022, Rome, Italy.
Characterization of bioplastic composite samples derivde form biomass
Raffaella Lettieri;Donato Abruzzese;Andrea Micheletti;Alessandro Tiero;Emanuela Gatto
2022-06-01
Abstract
This study focuses on investigating the influence of the addition of different organic-based additives on the physical-mechanical properties of a bioplastic derived from biomass. In particular, organic waste represents a powerful matrix being very rich in important biomolecules and thus a source of raw materials always available in large quantities, at no cost. All the samples object of this work are made of an innovative bioplastic produced from organic waste by a sustainable synthesis subject to industrial secrecy. All of them are 100% bio-based, biodegradable and compostable according to EN 13432. In order to improve bioplastic characteristics and its mechanical resistance, organic fillers of different nature were used as a reinforcement in bioplastic matrix. In this work we propose to evaluate the effects on the physical-mechanical properties of the addition of 100% bio-based additives of different nature: a fibrous component consisting of plant fibers, an inert organic component in the form of semi-hard granules, a mixture of the two components in order to evaluate the effect of co-presence of the two, an eco-friendly crosslinking agent, an alternative treatment of the matrix. Compression and flexure testing were performed in order to determine the mechanical properties of the materials. Moisture content and wettability tests were also performed. Surface morphologies of the composite bioplastic samples were examined by scanning electron microscope (SEM). The mechanical tests led to describe a resilient and tough behavior for the sample alternatively treated, assimilable to the performance of TPS. The material therefore already meets desirable performance for a bioplastic, even though TPS is considered a brittle thermoplastic. Thanks to the results obtained with these composite materials it is possible to reach the levels of cellulose and obtain further improvements: the fibers, or even just the crosslinker, can represent an additional reinforcement.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
