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Issue 9, 2009
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Expanding the potential for waste polyvinyl-alcohol

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Expanded polyvinyl-alcohol (PVA) was successfully prepared using a similar process to that of starch expansion. The addition of an iodine solution was necessary to facilitate expansion and led to surface areas of up to 143.1 m2 g−1. The use of recycled material from LCD screens required no additional iodine and produced an expanded material with high surface areas (95.0 m2 g−1) and total pore volumes (0.56 cm3 g−1). The PVA–iodine complexes were found to better mimic the interactions between amylose and amylopectin in starch expansion.

Graphical abstract: Expanding the potential for waste polyvinyl-alcohol

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The article was received on 03 Apr 2009, accepted on 26 May 2009 and first published on 12 Jun 2009

Article type: Paper
DOI: 10.1039/B906607A
Green Chem., 2009,11, 1332-1336

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    Expanding the potential for waste polyvinyl-alcohol

    A. J. Hunt, V. L. Budarin, S. W. Breeden, A. S. Matharu and J. H. Clark, Green Chem., 2009, 11, 1332
    DOI: 10.1039/B906607A

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