Identification of migratable substances in recycled high density polyethylene collected from household waste
✍ Scribed by Huber, Monika ;Franz, Roland
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 348 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0935-6304
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✦ Synopsis
Abstract
High Density polyethylene regranules reprocessed from separated household waste collection were investigated for migratable con‐taminants which were not present in virgin material. Although the material originated from different European reprocessors, the de‐tected recycling‐specific compounds were similar in most of the investigated samples. At a chosen threshold concentration of 0.5 μg/g more than 70 compounds were tentatively identified. Aroma compounds and preservatives were found in the range of 0.5 to 10 μg/g. Limonene, di(ethylhexyl) phthalate, and the isopropyl esters of myristic and palmitic acids were detected in concentrations up to 200 μg/g. These compounds were found in almost all the regranules. Most of the substances identified are constituents of personal hygiene products and cleaning agents and are therefore absorbed by the package during the storage. Owing to European food legislation and German cosmetics regulations, the use of such recycling packaging material appears suitable only for filling with technical products.