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Issue 10, 2012
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Polyurethanes based on renewable polyols from bioderived lactones

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Abstract

Ring opening transesterification polymerization of lactones derived from menthone and carvomenthone was used to synthesize polyols for polyurethane film formulations. The polyols were synthesized at 140 °C using tin(II) octoate as catalyst, diethanolamine as trifunctional initiator, and with ratios of lactone : initiator of 9 : 1 or 18 : 1. Polyol structural features were deduced by comparison of NMR spectral data with those of simple model amide/esters of the initiator. Films were formulated from the renewable polyols, diphenylmethane diisocyanate [or poly(diphenylmethane diisocyanate)], and diethylene glycol. Thermal and mechanical properties of these polyurethane films were measured, demonstrating their potential utility as biobased thermosets for rigid or flexible foams.

Graphical abstract: Polyurethanes based on renewable polyols from bioderived lactones

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Publication details

The article was received on 28 Jun 2012, accepted on 03 Aug 2012 and first published on 06 Aug 2012


Article type: Paper
DOI: 10.1039/C2PY20454A
Citation: Polym. Chem., 2012,3, 2941-2948
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    Polyurethanes based on renewable polyols from bioderived lactones

    S. A. Gurusamy-Thangavelu, S. J. Emond, A. Kulshrestha, M. A. Hillmyer, C. W. Macosko, W. B. Tolman and T. R. Hoye, Polym. Chem., 2012, 3, 2941
    DOI: 10.1039/C2PY20454A

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