Sorption–desorption of aromas on multi-use PET bottles. A test procedure

Authors: Safa H.L.; *

Source: Packaging Technology and Science, Volume 12, Number 1, January/February 1999 , pp. 37-44(8)

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Abstract:

A test procedure has been developed to test the efficiency of the washing of PET bottles intended for the reuse with sodium hydroxide solutions in order to remove products which were sorbed during the first use. The pollutants of the packaging were aqueous solutions of three aromas: limonene, linalool and linalyl acetate. Plastic materials were analysed after the first storage (T₁), after processing (T₂), and after a second filling and a further storage (T₃). Limonene was the only pollutant sorbed in a significant manner into the walls of the bottles, and was always found after washing. Migration of this aroma from the processed bottles into water was also examined, and the distribution coefficients compared at times T₁, and T₃. Copyright © 1999 John Wiley & Sons, Ltd.

Keywords: PET bottle; sorption; desorption; migration; aroma

Language: English

Document Type: Research article

DOI: http://dx.doi.org/10.1002/(SICI)1099-1522(199901/02)12:1<37::AID-PTS452>3.0.CO;2-F

Publication date: 1999-01-01

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