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Loss of phenolic antioxidants from polypropylene

✍ Scribed by J. Holcik; M. Karvas; D. Kassovicova; J. Durmis

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
222 KB
Volume
12
Category
Article
ISSN
0014-3057

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✦ Synopsis

Abstrac~A study has been carried out on the loss of mononuclear phenolic antioxidants from polypropylene under conditions which simulate those found both during the incorporation of the antioxidant into the polymer at 190[ and during subsequent usage at 140 Β°. In the latter case, rate constans have been calculated for the loss of additive. The influence of the structure of the antioxidant on its loss from the polymer is discussed and compared with the measured volatility when the phenols are heated alone at 280 Β° .

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## Abstract This work was conducted to optimize the extraction conditions for the best recovery of antioxidant compounds from peanut skins. The extracts from the peanut skins were obtained by different extraction methods. The extraction conditions were: different ethanol proportions as the solvent