Synthesis of cellulose methylcarbonate in ionic liquids using dimethylcarbonate

Sara R. Labafzadeh, K. Juhani Helminen, Ilkka Kilpeläinen, Alistair W.T. King

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)

Abstract

Dialkylcarbonates are viewed as low-cost, low-toxicity reagents, finding application in many areas of green chemistry. Homogeneous alkoxycarbonylation of cellulose was accomplished by applying dialkycarbonates (dimethyl and diethyl carbonate) in the ionic liquid-electrolyte trioctylphosphonium acetate ([P8881] [OAc])/DMSO or 1-ethyl-3-methylimidazolium acetate ([emim] [OAc]). Cellulose dialkylcarbonates with a moderate degree of substitution (DS ∼ 1) are accessible via this procedure and cellulose methylcarbonate was thoroughly characterized for its chemical and physical properties after regeneration. This included HSQC & HMBC NMR, ATR-IR, molecular weight distribution, morphology, thermal properties, and barrier properties after film formation.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalChemSusChem
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 2015
MoE publication typeA1 Journal article-refereed

Keywords

  • Carbonates
  • Cellulose
  • Dimethyl carbonate
  • Ionic liquids

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