Lookup NU author(s): Jonathan Heslop,
Emeritus Professor Jim White
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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.
Author(s): Heslop J; White JR; Bhowmick AK
Publication type: Article
Publication status: Published
Journal: Polymer Degradation and Stability
ISSN (print): 0141-3910
ISSN (electronic): 1873-2321
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