Expanding the potential for waste polyvinyl-alcohol

Andrew J. Hunt; Vitaly L. Budarin; Simon W. Breeden; Avtar S. Matharu; James H. Clark

doi:10.1039/B906607A

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Green Chemistry

Issue 9, 2009

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Expanding the potential for waste polyvinyl-alcohol

Andrew J. Hunt , Vitaly L. Budarin , Simon W. Breeden , Avtar S. Matharu and James H. Clark

Green Chem., 2009, 11, 1332-1336

DOI: 10.1039/B906607A
Received 03 Apr 2009, Accepted 26 May 2009
First published on the web 12 Jun 2009

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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.

Articles By

Andrew J. Hunt
Vitaly L. Budarin
Simon W. Breeden
Avtar S. Matharu
James H. Clark

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Green Chemistry

Expanding the potential for waste polyvinyl-alcohol

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