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Dissolution and processing of cellulose using ionic liquids

  • US 6,824,599 B2
  • Filed: 09/27/2002
  • Issued: 11/30/2004
  • Est. Priority Date: 10/03/2001
  • Status: Expired due to Term
First Claim
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1. A method for dissolving cellulose that comprises admixing cellulose with a molten ionic liquid that is molten at a temperature of about −

  • 10 to about 100°

    C. and in the substantial absence of water or a nitrogen-containing base to form an admixture, wherein said ionic liquid is comprised of cations and anions, and agitating the a mixture until dissolution is complete.

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