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EnglishThe effect of polyhydroxybutyrate (PHB)-based coatings combined with a plasticizer (Tributyrin, TB), and cellulose nanocrystals (CNC) in a bilayer configuration with paperboard was investigated. PHB/paperboard composite formulations were processed by compression molding, using 15wt% of PHB with respect of paperboard. The presence of TB and CNC in the coating system favored both the interaction between layers and the enhancement of tensile properties for PHB/paperboard composites. In addition, the presence CNC in the PHB-based layer improved the water vapor permeability of bilayer composites. Disintegration in composting condition of PHB/paperboard composites was carried out according to the standard ISO 20200. The test permitted to demonstrate that all the studied samples disintegrated completely in less than 49 days of incubation.
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| Titolo: | Study of paperboard material layered with plasticized polyhydroxybutyrate/nanocellulose coatings for packaging application | |
| Autori: | ||
| Data di pubblicazione: | 2018 | |
| Rivista: | ||
| Abstract: | The effect of polyhydroxybutyrate (PHB)-based coatings combined with a plasticizer (Tributyrin, T...B), and cellulose nanocrystals (CNC) in a bilayer configuration with paperboard was investigated. PHB/paperboard composite formulations were processed by compression molding, using 15wt% of PHB with respect of paperboard. The presence of TB and CNC in the coating system favored both the interaction between layers and the enhancement of tensile properties for PHB/paperboard composites. In addition, the presence CNC in the PHB-based layer improved the water vapor permeability of bilayer composites. Disintegration in composting condition of PHB/paperboard composites was carried out according to the standard ISO 20200. The test permitted to demonstrate that all the studied samples disintegrated completely in less than 49 days of incubation. | |
| Handle: | http://hdl.handle.net/11391/1476480 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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http://hdl.handle.net/11391/1476480
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