http://www.cnr.it/ontology/cnr/individuo/prodotto/ID18223

Biodegradable PVOH-Based Foams For Packaging Applications (Articolo in rivista)

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Biodegradable PVOH-Based Foams For Packaging Applications (Articolo in rivista) (literal)

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M. Avella, M. Cocca, M. E. Errico, G. Gentile (2011)
Biodegradable PVOH-Based Foams For Packaging Applications
in Journal of cellular plastics (Print)
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Titolo

Abstract

Biodegradable poly(vinyl alcohol) (PVOH) based foams were prepared through an ecofriendly methodology. Different amount of recycled multilayer cartons (MC), composed of cellulose and low-density polyethylene (80/20 wt/wt), were added as a direct cellulose source to PVOH. Foams were realized through a modified overrun process without using chemical agents or promoting chemical reactions. In particular, the air entrapped during the high-speed mixing of the PVOH/MC water dispersion was able to create a porous morphology. The effects of the addition of MC on microstructure, swelling behavior, and mechanical and thermal properties of foams were investigated. Materials were characterized by a dual-pore structure. Improvements of the swelling behavior, mechanical properties, and thermal stability were recorded as a function of MC content. These findings can be considered as a result of a good interaction between filler and polymer. © The Author(s) 2011. (literal)

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