Deposition of LDH on plasma treated polylactic acid to reduce water permeability

Valeria Bugatti, Sebastien Livi, Suren Hayrapetyan, Yue Wang, Luis Estevez, Vittoria Vittoria, Emmanuel P. Giannelis

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A simple and scalable deposition process was developed to prepare polylactic acid (PLA) coatings with enhanced water barrier properties for food packaging applications. This method based on electrostatic interactions between the positively charged layers of layered double hydroxides (LDHs) modified with ionic liquids (ILs) and the negatively charged plasma treated polylactic acid leads to homogeneous, stable, and highly durable coatings. Deposition of the LDH coatings increases the surface hydrophobicity of the neat PLA, which results to a decrease in water permeability by about 35%. © 2013 Elsevier Inc.
Original languageEnglish (US)
Pages (from-to)47-52
Number of pages6
JournalJournal of Colloid and Interface Science
Volume396
DOIs
StatePublished - Apr 2013
Externally publishedYes

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