Szczegóły publikacji

Opis bibliograficzny

Oxygen-scavenging multilayered biopapers containing palladium nanoparticles obtained by the electrospinning coating technique / Adriane Cherpinski, Piotr K. SZEWCZYK, Adam GRUSZCZYŃSKI, Urszula STACHEWICZ, Jose M. Lagaron // Nanomaterials [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 2079-4991. — 2019 — vol. 9 iss. 2 art. no. 262, s. 1–19. — Wymagania systemowe: Adobe Reader. — Bibliogr. s. 16–19, Abstr. — Publikacja dostępna online od: 2019-02-14


Autorzy (5)


Słowa kluczowe

polyhydroxyalkanoatesfiber based packagingelectrospinningpalladium nanoparticlesbiopaperspolycaprolactoneoxygen scavengers

Dane bibliometryczne

ID BaDAP120329
Data dodania do BaDAP2019-03-06
Tekst źródłowyURL
DOI10.3390/nano9020262
Rok publikacji2019
Typ publikacjiartykuł w czasopiśmie
Otwarty dostęptak
Creative Commons
Czasopismo/seriaNanomaterials

Abstract

The main goal of this study was to obtain, for the first time, highly efficient water barrier and oxygen-scavenging multilayered electrospun biopaper coatings of biodegradable polymers over conventional cellulose paper, using the electrospinning coating technique. In order to do so, poly(3-hydroxybutyrate) (PHB) and polycaprolactone (PCL) polymer-containing palladium nanoparticles (PdNPs) were electrospun over paper, and the morphology, thermal properties, water vapor barrier, and oxygen absorption properties of nanocomposites and multilayers were investigated. In order to reduce the porosity, and to enhance the barrier properties and interlayer adhesion, the biopapers were annealed after electrospinning. A previous study showed that electrospun PHB-containing PdNP did show significant oxygen scavenging capacity, but this was strongly reduced after annealing, a process that is necessary to form a continuous film with the water barrier. The results in the current work indicate that the PdNP were better dispersed and distributed in the PCL matrix, as suggested by focus ion beam-scanning electron microscopy (FIB-SEM) experiments, and that the Pd enhanced, to some extent, the onset of PCL degradation. More importantly, the PCL/PdNP nanobiopaper exhibited much higher oxygen scavenging capacity than the homologous PHB/PdNP, due to most likely, the higher oxygen permeability of the PCL polymer and the somewhat higher dispersion of the Pd. The passive and active multilayered biopapers developed here may be of significant relevance to put forward the next generation of fully biodegradable barrier papers of interest in, for instance, food packaging.

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