Jump to main content
Jump to site search

Issue 24, 2010
Previous Article Next Article

Partition and diffusion of volatile compounds from acrylic adhesives used for food packaging multilayers manufacturing

Author affiliations

Abstract

Partition and diffusion coefficients of volatile compounds in polymers have been broadly studied in the literature in order to provide the tools necessary to predict migration from the packaging materials to the food using the appropriate mathematical models. But often, food packaging materials are multilayer materials where several substrates are joint by adhesive layers. Little is known about the partition coefficients between adhesives and substrates used in these materials and about the diffusion coefficients in some of the materials commonly used such as paper or cardboard. All of these parameters will have a direct effect on the final migration of the compound. The objective of this work was to study the behaviour of the compounds found on the acrylic adhesives in 4 different real laminates. Partition coefficients between several types of acrylic adhesives and substrate materials (polyethylene, polypropylene, couche paper and kraft paper) were experimentally calculated. Moreover, diffusion coefficients of the compounds in these four materials were derived from experimental data. Finally, a migration test with Tenax was carried out. A wide variation of results for partition coefficients was found due to the difference on the chemical properties of the compounds studied. In fact, a relation between the coefficients and their Hildebrand solubility parameters was found. Moreover, the most relevant result found in the diffusion coefficient values was that the coefficients in paper were lower than in PE but higher than in PP. Migration results showed that only 4 out of 11 compounds were found in Tenax. Only 2,4,7,9-tetramethyldec-5-yne-4,7-diol belong to a high toxic class according to Cramer rules.

Graphical abstract: Partition and diffusion of volatile compounds from acrylic adhesives used for food packaging multilayers manufacturing

Back to tab navigation
Please wait while Download options loads

Publication details

The article was received on 25 Feb 2010, accepted on 20 Apr 2010 and first published on 14 May 2010


Article type: Paper
DOI: 10.1039/C0JM00514B
Citation: J. Mater. Chem., 2010,20, 5100-5109
  •   Request permissions

    Partition and diffusion of volatile compounds from acrylic adhesives used for food packaging multilayers manufacturing

    E. Canellas, M. Aznar, C. Nerín and P. Mercea, J. Mater. Chem., 2010, 20, 5100
    DOI: 10.1039/C0JM00514B

Search articles by author