Effect of clay content, homogenization RPM, pH, and ultrasonication on mechanical and barrier properties of fish gelatin/montmorillonite nanocomposite films

Ho J. Bae, Hyun Jin Park, Seung I. Hong, Young J. Byun, Duncan O. Darby, Robert M. Kimmel, William S. Whiteside

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

The effect of clay content, homogenization RPM, and pH on the mechanical and barrier properties of fish gelatin/nanoclay composite films was investigated. The addition of 5% nanoclay (w/w) increased the tensile strength from 30.31 ± 2.37 MPa to 40.71 ± 3.30 MPa. The 9 g clay/100 g gelatin film exhibited the largest improvements in oxygen and water barrier properties. Oxygen permeability decreased from 402.8 × 10-6 ± 0.7 × 10-6 g m/m2 day atm to 114.4 × 10-6 ± 16.2 × 10-6 g m/m2 day atm and the water vapor permeability decreased from 31.2 × 10-3 ± 1.6 × 10-3 ng m/m2 s Pa to 8.1 × 10-3 ± 0.1 × 10-3 ng m/m2 s Pa. The XRD and TEM observation suggested that the ultrasonication treatment (30 min at 40% output) resulted in exfoliation of the silicates.

Original languageEnglish
Pages (from-to)1179-1186
Number of pages8
JournalLWT - Food Science and Technology
Volume42
Issue number6
DOIs
Publication statusPublished - 2009 Jul 1

Fingerprint

nanoclays
Bentonite
nanocomposites
Nanocomposites
montmorillonite
Gelatin
homogenization
gelatin
films (materials)
Permeability
permeability
Fishes
clay
Oxygen
oxygen
Silicates
Tensile Strength
Steam
silicates
tensile strength

Keywords

  • Biopolymer
  • Film
  • Fish gelatin
  • Nanoclay
  • Ultrasonication

ASJC Scopus subject areas

  • Food Science

Cite this

Effect of clay content, homogenization RPM, pH, and ultrasonication on mechanical and barrier properties of fish gelatin/montmorillonite nanocomposite films. / Bae, Ho J.; Park, Hyun Jin; Hong, Seung I.; Byun, Young J.; Darby, Duncan O.; Kimmel, Robert M.; Whiteside, William S.

In: LWT - Food Science and Technology, Vol. 42, No. 6, 01.07.2009, p. 1179-1186.

Research output: Contribution to journalArticle

Bae, Ho J. ; Park, Hyun Jin ; Hong, Seung I. ; Byun, Young J. ; Darby, Duncan O. ; Kimmel, Robert M. ; Whiteside, William S. / Effect of clay content, homogenization RPM, pH, and ultrasonication on mechanical and barrier properties of fish gelatin/montmorillonite nanocomposite films. In: LWT - Food Science and Technology. 2009 ; Vol. 42, No. 6. pp. 1179-1186.
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