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Dispersion of modified layered double hydroxides in Poly(ethylene terephthalate) by High Energy Ball Milling for food packaging applications

TitleDispersion of modified layered double hydroxides in Poly(ethylene terephthalate) by High Energy Ball Milling for food packaging applications
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2014
AuthorsTammaro, Loredana, Vittoria V., and Bugatti V.
JournalEuropean Polymer Journal
Volume52
Pagination172-180
ISSN00143057
KeywordsBall milling, Dispersions, Food packaging, High-energy ball milling, Layered double hydroxides, Oxygen barrier properties, Packaging machines, Polyethylene terephthalates, Polymer composite
Abstract

Intercalation compounds of Layered Double Hydroxide (LDH) modified with different organic molecules were prepared via co-precipitation method obtaining very small and disordered crystallites. The obtained organic-inorganic hybrids were dispersed in Poly(ethylene terephthalate) (PET) by High Energy Ball Milling (HEBM) and a good delamination and dispersion of the organic-inorganic hybrids in the polymer phase was achieved for all PET-LDH composites. Structural, thermal and oxygen barrier properties analyses were conducted. The PET-LDH composites showed a similar thermal degradation trend of pure PET, indicating a high thermal stability. All the composites showed oxygen diffusion and permeability coefficients lower than that for pure PET, due to the presence of highly dispersed clay platelets. These composites can be considered candidates for food packaging applications. © 2014 Elsevier B.V. All rights reserved.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84893173319&doi=10.1016%2fj.eurpolymj.2014.01.001&partnerID=40&md5=0ac7e93c295c03383897f37a10ee4449
DOI10.1016/j.eurpolymj.2014.01.001
Citation KeyTammaro2014172