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Issue 8, 2012
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Ethanol organosolv lignin-based rigid polyurethane foam reinforced with cellulose nanowhiskers

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Abstract

An ethanol organosolv lignin polyol, prepared by reacting lignin with propylene oxide catalyzed by potassium hydroxide, was used to synthesize rigid polyurethane foam which was further reinforced by cellulose nanowhiskers (CNWs) up to 5 wt%. The resulting nanocomposites have shown significantly improved mechanical and thermal properties primarily attributed to the phenolic structure and high functionality of lignin as well as the rigidity of CNWs and crosslinking introduced by CNWs.

Graphical abstract: Ethanol organosolv lignin-based rigid polyurethane foam reinforced with cellulose nanowhiskers

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Publication details

The article was received on 29 Aug 2011, accepted on 05 Jan 2012 and first published on 24 Feb 2012


Article type: Paper
DOI: 10.1039/C2RA00646D
Citation: RSC Adv., 2012,2, 3347-3351
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    Ethanol organosolv lignin-based rigid polyurethane foam reinforced with cellulose nanowhiskers

    Y. Li and A. J. Ragauskas, RSC Adv., 2012, 2, 3347
    DOI: 10.1039/C2RA00646D

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