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Mechanical properties of photo-degraded recycled photo-degraded polyolefins

Lookup NU author(s): Dr Ian Craig, Emeritus Professor Jim White


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Test bars made from a selection of polyolefins were injection moulded from virgin polymer and from blends containing recycled photodegraded polymer of the same kind. Bars were also moulded from similar blends prepared using recycled polymer that had not been photodegraded previously. The moulded bars were subjected to ultraviolet (UV) exposure and tensile tests were conducted after various exposure times. The extensibility decreased rapidly after a period of exposure that varied with the material and with fraction of recyclate contained. The results showed that previously photodegraded material acts as a pro-degradant in all of the materials studied. The recyclability of the materials is discussed. © 2006 Springer Science + Business Media, Inc.

Publication metadata

Author(s): Craig IH, White JR

Publication type: Article

Publication status: Published

Journal: Journal of Materials Science

Year: 2006

Volume: 41

Issue: 3

Pages: 993-1006

ISSN (print): 0022-2461

ISSN (electronic): 1573-4803

Publisher: Springer


DOI: 10.1007/s10853-006-6596-6


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