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Morphological Changes in Poly(Caprolactone)/Poly(Vinyl Chloride) Blends Caused by Biodegradation

Lookup NU author(s): Dr Terry Egerton, Emeritus Professor Jim White

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Abstract

The biodegradation of blends of poly(caprolactone) (PCL) and poly(vinyl chloride) (PVC) has been studied. Blends of composition PCL/PVC 1:1 and 1:2 w/w were tested. The 1:1 blend contained crystals in the as-cast state and became more crystalline on exposure to different bio-active agents. The 1:2 blend was amorphous in the as-cast state but developed a significant crystal component after 4 months exposure to the bio-agents. Three bio-active agents were used and all were found to produce qualitatively similar behaviour but their activity was somewhat different. For both the 1:1 blend and the 1:2 blend the ranking of the three bio-active agents tested, in increasing order, was Curvularia sp.; Trogia buccinalis; Phanerochaete chrysosporium.

Publication metadata

Author(s): Martins-Franchetti SM, Egerton TA, White JR

Publication type: Article

Publication status: Published

Journal: Journal of Polymers and the Environment

Year: 2010

Volume: 18

Issue: 1

Pages: 79-83

Print publication date: 06/02/2010

ISSN (print): 1566-2543

ISSN (electronic): 1572-8900

Publisher: Springer

URL: http://dx.doi.org/10.1007/s10924-009-0158-3

DOI: 10.1007/s10924-009-0158-3

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