Renewable carvone-based polyols for use in polyurethane thermosets

Spencer C. Knight, Chris P. Schaller, William B. Tolman, Marc A. Hillmyer

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

A series of carvone-derived statistical copolymers, CMXD (CM = carvomenthide; X = %D; D = dihydrocarvide), were prepared by ring-opening polymerization. The olefinic side chains were subsequently modified by the thiol-ene reaction using mercaptoethanol to provide CMXD′ (D′ = hydroxy-functionalized dihydrocarvide unit). The resulting samples, having hydroxy functionality dictated by the original monomer feed ratio, were exploited as renewable polyols in the synthesis of polyurethanes. The polyurethane films were characterized by tensile testing, differential scanning calorimetry and dynamic mechanical analysis. Polyols with 4-5 hydroxyls per chain produced mechanically robust thermoplastic polyurethanes.

Original languageEnglish (US)
Pages (from-to)20399-20404
Number of pages6
JournalRSC Advances
Volume3
Issue number43
DOIs
StatePublished - Nov 21 2013

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