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“Solid phase” features of the auto-oxidation of polyethylene oxide in the melt

Authors
Journal
Polymer Science U S S R
0032-3950
Publisher
Elsevier
Publication Date
Volume
30
Issue
5
Identifiers
DOI: 10.1016/0032-3950(88)90324-3

Abstract

Abstract It has been established that the kinetic patterns of the auto-oxidation of molten PEO at 343–372 K at the steady stage repeat the characteristic features of the reactions of oxidation of solid polyolefines: similar activation energy, zero order for hydroperoxide, identical dependence of the rate on oxygen pressure, parallel accumulation of hydroperoxide and carbonyl oxidation products and also the extremal form of the curves of the accumulation of hydroperoxide. The acceleration of the hydroperoxide consumption in time is due to the reaction with the aldehyde groups accumulating in the course of the reaction.

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