Blister Packaging Sheet for Edible Oil Packaging with High Barrier UV Resistance

WANG Sai, LI Shao-wei, LIU Chang-shu

Packaging Engineering ›› 2021 ›› Issue (13) : 131-135.

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Packaging Engineering ›› 2021 ›› Issue (13) : 131-135. DOI: 10.19554/j.cnki.1001-3563.2021.13.017

Blister Packaging Sheet for Edible Oil Packaging with High Barrier UV Resistance

  • WANG Sai, LI Shao-wei, LIU Chang-shu
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Abstract

The purpose of this study is to develop a kind of high barrier anti-ultraviolet (UV) functional sheet for edible oil, which is easy to carry and easy to be used once. In this paper, a four layer high barrier sheet CPP/APET/PE- EVOH/PE was prepared by multi-layer coextrusion and multi-layer composite technology of high barrier plastic (ethylene vinyl alcohol copolymer EVOH). The mechanical properties, water vapor permeability and oxygen permeability of the sheet were measured by electronic universal testing machine and gas permeability tester. The effects of different materials on the shelf life of edible oil were compared and analyzed. The results showed that the sheet had excellent mechanical properties, the water vapor transmittance was 2.0 g/(m2.24 h), and the oxygen transmittance was 0.6 cm3/(m2.24 h.0.1 MPa). For edible oil packaging, after storage at 45°C and 50% for 30 days, the variation of the olive oil peroxide value was 1.22 mmol/kg, which was lower than the upper limit for extra virgin olive oil in the national standard GB/T 23347—2009 Olive oil and olive pomace oil:10 mmol/kg. The conclusion is that the new type of high barrier flexible packaging can be used in portable blister packaging of edible oil, which can effectively slow down the oxidation deterioration of edible oil and retain its original flavor.

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WANG Sai, LI Shao-wei, LIU Chang-shu. Blister Packaging Sheet for Edible Oil Packaging with High Barrier UV Resistance[J]. Packaging Engineering. 2021(13): 131-135 https://doi.org/10.19554/j.cnki.1001-3563.2021.13.017
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