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Densification of polystyrene under ultraviolet irradiation

Lookup NU author(s): Emeritus Professor Jim White


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Experiments were carried out to determine the changes in stress distributions in polystyrene bars caused by UV exposure. It was found that oxygen-diffusion-limited conditions cause the surface regions to suffer much more chain scission than has occurred in the interior of the moldings and that this enabled physical ageing to proceed much faster near to the surface. This caused the surface regions to densify more than the core.

Publication metadata

Author(s): White JR; Arvidsson A

Publication type: Article

Publication status: Published

Journal: Journal of Materials Science Letters

Year: 2001

Volume: 20

Issue: 23

Pages: 2089-2090

ISSN (print): 0261-8028

ISSN (electronic): 1573-4811

Publisher: Kluwer Academic


DOI: 10.1023/A:1013701309055


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