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Effect of stabilizers in photodegradation of thermoplastic elastomeric rubber-polyethylene blends - A preliminary study

Lookup NU author(s): Jonathan Heslop, Emeritus Professor Jim White

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Abstract

The effect of adding stabilizers to a family of thermoplastic elastomeric blends of natural rubber and polyethylene has been investigated using UV exposures of samples both unstressed and under tensile elongation. Samples were prepared both with dicumyl peroxide crosslinking agent and with no crosslinking agent. The stabilizers used were (i) isopropyl paraphenylene diamine (IPPD); (ii) a high molecular weight phenolic anti-oxidant; and (iii) a commercially available blend of two high molecular weight hindered amine stabilizers. The crosslinked samples showed better photo-resistance than the compounds with no dicumyl peroxide. All of the stabilizers produced considerable improvement in photo-resistance. The most effective one was IPPD (a stabilizer for rubber) even though the continuous phase in these blends is polyethylene. © 2001 Elsevier Science Ltd. All rights reserved.

Publication metadata

Author(s): Heslop J; White JR; Bhowmick AK

Publication type: Article

Publication status: Published

Journal: Polymer Degradation and Stability

Year: 2001

Volume: 74

Issue: 3

Pages: 513-521

ISSN (print): 0141-3910

ISSN (electronic): 1873-2321

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/S0141-3910(01)00188-4

DOI: 10.1016/S0141-3910(01)00188-4

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