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Issue 5, 2012
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Salt modified starch: sustainable, recyclable plastics

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The ubiquitous nature of starch makes it a tantalising basis of sustainable plastic manufacture. Extensive hydrogen bonding between chains, however, makes the plasticisation of starch difficult but this work shows that the incorporation of a simple quaternary ammonium salt can lead to a flexible plastic with mechanical properties similar to oil derived plastics. Compression-moulding produces a transparent material with mechanical strength which is similar to some polyolefin plastics. It is shown that the material can be extruded and/or compression-moulded and these processes improve further the mechanical strength of the samples. Most importantly, it is shown that these plastics are recyclable and ultimately compostable.

Graphical abstract: Salt modified starch: sustainable, recyclable plastics

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Publication details

The article was received on 05 Dec 2011, accepted on 03 Feb 2012 and first published on 09 Mar 2012

Article type: Paper
DOI: 10.1039/C2GC16568F
Green Chem., 2012,14, 1302-1307

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    Salt modified starch: sustainable, recyclable plastics

    A. P. Abbott, A. D. Ballantyne, J. P. Conde, K. S. Ryder and W. R. Wise, Green Chem., 2012, 14, 1302
    DOI: 10.1039/C2GC16568F

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