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2 results on '"film extrusion processing"'

1. Influences of the crystallisation rate on thermal and barrier properties of polylactide acid (PLA) food packaging films.

Author

Colomines, G., Domenek, S., Ducruet, V., and Guinault, A.

Abstract

Poly(lactic acid) (PLA) films have a great interest for the food packaging. But the interaction between the food and the packaging must be investigated. The gas and aroma barrier properties of PLA were analysed and the influence of PLA crystallinity on these properties was studied because of processing conditions. The crystallinity seems to have no effect on helium and oxygen barrier properties but ethyl acetate as aroma compound has a plasticizing effect on the PLA film. [ABSTRACT FROM AUTHOR]

Published
2008
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2. Influences of the crystallisation rate on thermal and barrier properties of polylactide acid (PLA) food packaging films

Author

Alain Guinault, Violette Ducruet, Sandra Domenek, Gaël Colomines, Propriétés et architectures des alliages et mélanges (P2AM), Laboratoire Procédés et Ingénierie en Mécanique et Matériaux (PIMM), Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM)-Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Science de l'Aliment et de l'Emballage (SCALE), and Institut National de la Recherche Agronomique (INRA)-Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Ecole Nationale Supérieure des Industries Agricoles et alimentaires

Subjects
Materials science, film extrusion processing, aroma sorption, Ethyl acetate, 02 engineering and technology, 010402 general chemistry, 01 natural sciences, gas barrier properties, law.invention, chemistry.chemical_compound, Crystallinity, stomatognathic system, law, Thermal, Aroma compound, Organic chemistry, General Materials Science, Crystallization, crystallinity, Aroma, biology, food and beverages, respiratory system, 021001 nanoscience & nanotechnology, biology.organism_classification, equipment and supplies, 0104 chemical sciences, Lactic acid, Food packaging, [CHIM.POLY]Chemical Sciences/Polymers, chemistry, polylactide, PLA, lipids (amino acids, peptides, and proteins), 0210 nano-technology, [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition
Abstract

International audience; Poly(lactic acid) (PLA) films have a great interest for the food packaging. But the interaction between the food and the packaging must be investigated. The gas and aroma barrier properties of PLA were analysed and the influence of PLA crystallinity on these properties was studied because of processing conditions. The crystallinity seems to have no effect on helium and oxygen barrier properties but ethyl acetate as aroma compound has a plasticizing effect on the PLA film.

Published
2008
Full Text
View/download PDF

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