Influence of chemically inert fillers on the efficiency of polyethylene inhibition by antioxidants

Influence of chemically inert fillers on the efficiency of polyethylene inhibition by antioxidants The influence of chemically inert dispersed fillers (Al2O3, SiO2) on the efficiency of the polyethylene oxidation inhibition by commercial antioxidants (Irganox 1010, Neozon D) was studied. Introduction of chemically inert fillers into inhibited polymers alters the inhibitor distribution in the sample volume. The first fraction of the additive remains conventionally dissolved in the polymer (occurs in the dissolved state and in sorption sites), the second fraction is localized at the filler-polymer interface (separates out in the interfacial zone and accumulates in microcavities and voids of this zone), and the third fraction is adsorbed on the filler (forms an adsorption layer on the particle surface). As a result, the heat resistance of the filled polymer changes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Influence of chemically inert fillers on the efficiency of polyethylene inhibition by antioxidants

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427214070192
Publisher site
See Article on Publisher Site

Abstract

The influence of chemically inert dispersed fillers (Al2O3, SiO2) on the efficiency of the polyethylene oxidation inhibition by commercial antioxidants (Irganox 1010, Neozon D) was studied. Introduction of chemically inert fillers into inhibited polymers alters the inhibitor distribution in the sample volume. The first fraction of the additive remains conventionally dissolved in the polymer (occurs in the dissolved state and in sorption sites), the second fraction is localized at the filler-polymer interface (separates out in the interfacial zone and accumulates in microcavities and voids of this zone), and the third fraction is adsorbed on the filler (forms an adsorption layer on the particle surface). As a result, the heat resistance of the filled polymer changes.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Oct 16, 2014

References

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