A Study of poly lactic acid bio-polymer for cereal packaging

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Title: A Study of poly lactic acid bio-polymer for cereal packaging
Author: Tuszkiewicz, George
Abstract: The aim of this research has provided a technical framework for evaluating Co-Ex film structures of Poly Lactic Acid (PLA) and High Density Polyethylene (HDPE) for Ready to Eat (RTE) cereal primary packaging. This was accomplished through increased percentages of PLA content in each identified film candidate. The foundation for this research is that Bio Polymers are gaining market popularity as a result of the increasing world demand on plastics. As a result of plastics high market volatility and the strain on fossil fuel it has created focused research on Bio Polymers. However, it is widely known there are intrinsic performance deficiencies with Bio Polymers that have been developed over the last decade that specifically, compete with polyolefins. PLA a hydrophilic polymer is one of the most widely evaluated and commercialized of the renewable polymers. In order for PLA to shift demand from polyolefins and be widely used as a RTE cereal packaging film there are economic barriers and market dynamics that need to be overcome. The study provided technical learnings on the critical moisture and oxygen barrier, physical, mechanical material performance properties and the impact on environmental sustainability for RTE cereal film. Presented are the key findings for the cereal industry and suggested future research.
Record URI: http://hdl.handle.net/1850/15274
Date: 2011

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