PS-based films with temperature buffering capacity

Researchers at IATA-CSIC in Spain developed polystyrene (PS)-based multilayer heat storage structures with energy storage and hence temperature buffering capacity for their application in refrigerated foods. To this end, polycaprolactone (PCL) was used as the encapsulating matrix of a phase change material (PCM) called RT5 (a commercial blend of paraffins with a transition temperature at 5 °C).
The results demonstrate the potential of these materials for an efficient temperature buffering effect of relevance in food packaging applications, in order to preserve the quality of refrigerated packaged food products. An article about the research is published in the Journal of Food Engineering.
Click here for an abstract of the article.
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