Accepted Manuscript Molecular changes during natural biopolymer ageing – the case of shellac Christian Coelho, Raviteja Nanabala, Matthieu Ménager, Sophie Commereuc, Vincent Verney PII: S0141-3910(12)00102-4 DOI: 10.1016/j.polymdegradstab.2012.03.024 Reference: PDST 6607 To appear in: Polymer Degradation and Stability Received Date: 22 November 2011 Revised Date: 15 February 2012 Accepted Date: 16 March 2012 Please cite this article as: Coelho C, Nanabala R, Ménager M, Commereuc S, Verney V, Molecular changes during natural biopolymer ageing – the case of shellac, Polymer Degradation and Stability (2012), doi: 10.1016/j.polymdegradstab.2012.03.024 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.