Properties of lignin–polyurethane films prepared by casting method

By C. Ciobanu, M. Ungureanu, L. Ignat, D. Ungureanu, V. Popa. 2004

172 citations recorded by the source corpus.

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Value-adding to cellulosic ethanol: lignin polymers. (2011, methodology): “Ciobanu et al. (2004) used a polyurethane elastomer blended with flax soda lignin to form homogeneous solvent-cast films containing between 4.2 wt % and 23.2 wt % lignin.”
Cracks, microcracks and fracture in polymer structures: Formation, detection, autonomic repair (2016, methodology): “Tap testing cm scale Low Yes Delamination, cracking [166,289,290]”
Kraft Lignin-Based Rigid Polyurethane Foam (2012, background): “[20–26] Recently, oxypropylation has been recognized as a viable and promising approach to overcome the technical limitations and constraints imposed by the polymeric nature of lignin when directly used as a macromolecule for synthetic purposes.”