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Influence of additives on some physical properties of high density polyethylene-II. commercial u.v. stabilizers

Authors
Journal
European Polymer Journal
0014-3057
Publisher
Elsevier
Publication Date
Volume
23
Issue
9
Identifiers
DOI: 10.1016/0014-3057(87)90184-4

Abstract

Abstract The changes in mechanical properties of processed high density polyethylene, when “u.v. stabilizers” are added, are examined using tensile and melt flow measurements. The results show that, at low additive concentrations, antioxidant effects predominate; at high concentrations, a reinforcement effect is observed. Degradation measurements show that the u.v. stabilizers behave as excellent oxidation inhibitors in the dark; this finding has implications regarding their mechanistic action.

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