Thermodynamic Elucidation of Depression Mechanism on Sorption of Flavor Compounds into Electron Beam Irradiated LDPE and EVA Films

Toshiro Matsui, Ayako Ono, Mitsuya Shimoda, Yutaka Osajima

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Electron beam irradiation for low-density polyethylene (LDPE) film up to 20 Mrad resulted in specific sorption depression behaviors of volatile compounds. The sorptions of octane, ethyl hexanoate, and d-limonene into irradiated film were depressed, whereas the opposite behavior was obtained for octanal and octanol. To elucidate these specific phenomena, a thermodynamic attempt of applying the solubility parameter (SP) value was done. As a result, the sorptions of all hydrocarbons and methyl and ethyl esters composed of more than six carbon atoms corresponding to <8.59 SP value were depressed in all, while sorption promotion was observed for all alcohols. A similar result was obtained for irradiated EVA film, for which the sorption depression was observed only for the volatile compound with <8.93 SP value. Calculating the ratio of SP value of volatile compound (δF) to that of irradiated film (δP), the ratios (δFP) for irradiated LDPE and EVA films gave good agreement at 1.09.

Original languageEnglish
Pages (from-to)479-483
Number of pages5
JournalJournal of Agricultural and Food Chemistry
Volume40
Issue number3
DOIs
Publication statusPublished - Mar 1 1992

Fingerprint

Flavor compounds
Extravehicular Activity
flavor compounds
Polyethylene
Thermodynamics
films (materials)
polyethylene
thermodynamics
Solubility
sorption
Sorption
Electron beams
electrons
Electrons
solubility
volatile compounds
Octanols
octane
Hydrocarbons
octanol

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Cite this

Thermodynamic Elucidation of Depression Mechanism on Sorption of Flavor Compounds into Electron Beam Irradiated LDPE and EVA Films. / Matsui, Toshiro; Ono, Ayako; Shimoda, Mitsuya; Osajima, Yutaka.

In: Journal of Agricultural and Food Chemistry, Vol. 40, No. 3, 01.03.1992, p. 479-483.

Research output: Contribution to journalArticle

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N2 - Electron beam irradiation for low-density polyethylene (LDPE) film up to 20 Mrad resulted in specific sorption depression behaviors of volatile compounds. The sorptions of octane, ethyl hexanoate, and d-limonene into irradiated film were depressed, whereas the opposite behavior was obtained for octanal and octanol. To elucidate these specific phenomena, a thermodynamic attempt of applying the solubility parameter (SP) value was done. As a result, the sorptions of all hydrocarbons and methyl and ethyl esters composed of more than six carbon atoms corresponding to <8.59 SP value were depressed in all, while sorption promotion was observed for all alcohols. A similar result was obtained for irradiated EVA film, for which the sorption depression was observed only for the volatile compound with <8.93 SP value. Calculating the ratio of SP value of volatile compound (δF) to that of irradiated film (δP), the ratios (δF/δP) for irradiated LDPE and EVA films gave good agreement at 1.09.

AB - Electron beam irradiation for low-density polyethylene (LDPE) film up to 20 Mrad resulted in specific sorption depression behaviors of volatile compounds. The sorptions of octane, ethyl hexanoate, and d-limonene into irradiated film were depressed, whereas the opposite behavior was obtained for octanal and octanol. To elucidate these specific phenomena, a thermodynamic attempt of applying the solubility parameter (SP) value was done. As a result, the sorptions of all hydrocarbons and methyl and ethyl esters composed of more than six carbon atoms corresponding to <8.59 SP value were depressed in all, while sorption promotion was observed for all alcohols. A similar result was obtained for irradiated EVA film, for which the sorption depression was observed only for the volatile compound with <8.93 SP value. Calculating the ratio of SP value of volatile compound (δF) to that of irradiated film (δP), the ratios (δF/δP) for irradiated LDPE and EVA films gave good agreement at 1.09.

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