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has been cited by the following article:

• TITLE: Study of the Crosslinking of PVA with Glyoxal in LbL Nanocomposites

  AUTHORS: Fatma Ben Dhieb, Adrián Carrillo García, Seyed H. Tabatabaei, Frej Mighri, Abdellah Ajji

  KEYWORDS: Glyoxal, LbL, Nanocomposite, PVA, Crosslinking Mechanism

  JOURNAL NAME: Open Journal of Polymer Chemistry, Vol.9 No.4, November 1, 2019

  ABSTRACT: Crosslinking is a common practice to improve the barrier properties of polymers. In this study, Montmorillonite (MMT) was used with Polyvinyl alcohol (PVA) to deposit nanocomposite coatings which were crosslinked with glyoxal (Gly) by Layer by Layer (LbL) on a PET substrate. Two crosslinking conditions were studied, under mild condition and with an acidic environment. Mild condition was useful to identify the reversibility steps and the optimum crosslinking times while the acidic environment was essential to investigate the crosslinking mechanism, by determining the permeability for different crosslinking times. PVA and PVA-MMT coatings showed a strong correlation between the permeability coefficients for different crosslinking times and the FTIR results.