Development and characterization of PET/Fish gelatin-nanoclay composite/LDPE laminate

Ho J. Bae; Hyun J. Park; Duncan O. Darby; Robert M. Kimmel; William S. Whiteside

doi:10.1002/pts.845

Development and characterization of PET/Fish gelatin-nanoclay composite/LDPE laminate

Ho J. Bae, Hyun J. Park, Duncan O. Darby, Robert M. Kimmel, William S. Whiteside

Department of Biotechnology

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

A three-layer laminate fi lm was developed with the following structure: polyethylene terephthalate (PET)/fi sh gelatin (FG)-nanoclay composite/low-density polyethylene (LDPE). The FG-nanoclay composite material functioned as the oxygen barrier layer and demonstrated comparable oxygen barrier properties when compared with a similar laminate utilizing ethylene vinyl alcohol as the barrier layer at a relative humidity (RH) of up to 50%. The introduction of nanometersized fi ller clay into the FG matrix lowered the oxygen permeability (OP) because of the tortuosity effect of the clay particles. In addition, the FG-nanoclay composite fi lm exhibited bond strengths similar to both LDPE and PET. The hydrophilic nature of FG signifi cantly increases OP under high (>50%) RH conditions. However, this new FG laminate fi lm could be a possible alternative for packaging designers desiring a more sustainable packaging material for low-RH (<50%) applications.

Original language	English
Pages (from-to)	371-383
Number of pages	13
Journal	Packaging Technology and Science
Volume	22
Issue number	7
DOIs	https://doi.org/10.1002/pts.845
Publication status	Published - 2009 Nov

Keywords

Fish gelatin
Laminate
Nanoclay
Packaging
Tortuosity

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Mechanical Engineering

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title = "Development and characterization of PET/Fish gelatin-nanoclay composite/LDPE laminate",

abstract = "A three-layer laminate fi lm was developed with the following structure: polyethylene terephthalate (PET)/fi sh gelatin (FG)-nanoclay composite/low-density polyethylene (LDPE). The FG-nanoclay composite material functioned as the oxygen barrier layer and demonstrated comparable oxygen barrier properties when compared with a similar laminate utilizing ethylene vinyl alcohol as the barrier layer at a relative humidity (RH) of up to 50%. The introduction of nanometersized fi ller clay into the FG matrix lowered the oxygen permeability (OP) because of the tortuosity effect of the clay particles. In addition, the FG-nanoclay composite fi lm exhibited bond strengths similar to both LDPE and PET. The hydrophilic nature of FG signifi cantly increases OP under high (>50%) RH conditions. However, this new FG laminate fi lm could be a possible alternative for packaging designers desiring a more sustainable packaging material for low-RH (<50%) applications.",

keywords = "Fish gelatin, Laminate, Nanoclay, Packaging, Tortuosity",

author = "Bae, {Ho J.} and Park, {Hyun J.} and Darby, {Duncan O.} and Kimmel, {Robert M.} and Whiteside, {William S.}",

year = "2009",

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AU - Bae, Ho J.

AU - Park, Hyun J.

AU - Darby, Duncan O.

AU - Kimmel, Robert M.

AU - Whiteside, William S.

PY - 2009/11

Y1 - 2009/11

N2 - A three-layer laminate fi lm was developed with the following structure: polyethylene terephthalate (PET)/fi sh gelatin (FG)-nanoclay composite/low-density polyethylene (LDPE). The FG-nanoclay composite material functioned as the oxygen barrier layer and demonstrated comparable oxygen barrier properties when compared with a similar laminate utilizing ethylene vinyl alcohol as the barrier layer at a relative humidity (RH) of up to 50%. The introduction of nanometersized fi ller clay into the FG matrix lowered the oxygen permeability (OP) because of the tortuosity effect of the clay particles. In addition, the FG-nanoclay composite fi lm exhibited bond strengths similar to both LDPE and PET. The hydrophilic nature of FG signifi cantly increases OP under high (>50%) RH conditions. However, this new FG laminate fi lm could be a possible alternative for packaging designers desiring a more sustainable packaging material for low-RH (<50%) applications.

AB - A three-layer laminate fi lm was developed with the following structure: polyethylene terephthalate (PET)/fi sh gelatin (FG)-nanoclay composite/low-density polyethylene (LDPE). The FG-nanoclay composite material functioned as the oxygen barrier layer and demonstrated comparable oxygen barrier properties when compared with a similar laminate utilizing ethylene vinyl alcohol as the barrier layer at a relative humidity (RH) of up to 50%. The introduction of nanometersized fi ller clay into the FG matrix lowered the oxygen permeability (OP) because of the tortuosity effect of the clay particles. In addition, the FG-nanoclay composite fi lm exhibited bond strengths similar to both LDPE and PET. The hydrophilic nature of FG signifi cantly increases OP under high (>50%) RH conditions. However, this new FG laminate fi lm could be a possible alternative for packaging designers desiring a more sustainable packaging material for low-RH (<50%) applications.

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