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Cellulose Carbonates: A Platform for Promising Biopolymer Derivatives with Multifunctional Capabilities
Friedrich Schiller University of Jena.
Friedrich Schiller University of Jena.
2016 (English)Conference paper, Abstract (Other academic)
Abstract [en]

In addition to cellulose tosylates (Heinze et al 2016), cellulose carbonates represent a new type of platform compounds that open new possibilities for the design of advanced materials based on the most important renewable resource cellulose. In addition, the synthesis concept can be used for polysaccharides in general that could be proofed for starch and dextran carbonates. In the presentation, the efficient preparation of well-soluble cellulose carbonates is discussed based on own research program about organo-soluble and reactive polysaccharide derivatives. Homogeneous procedures are most efficient applying typical cellulose solvents including N,N-dimethylacetamide (DMAc)/LiCl and ionic liquids (IL) in combination with organic solvents like pyridine. Even products with complete functionalization of all hydroxyl groups are available (degree of substitution, DS 3). The cellulose carbonates are commercially available from a start-up company and are well suitable for homogeneous conversion with nucleophilic compounds in particular with amines. They are easily soluble in organic solvents; thus, the time-consuming and tricky dissolution of cellulose in complex solvents can be omitted. The synthesis and aminolysis of cellulose carbonates with low, intermediate, and high DS and the evaluation of this chemistry with respect to specific challenges will be exemplarily discussed. Functional cellulose carbamates, obtained from cellulose phenyl carbonate by aminolysis, show the potential use of this class of celluloses. Immunoassays, zwitterionic polymers, products for laundry applications are included as representative examples regarding properties and application of the new cellulose-based products (Elschner and Heinze 2015) 

Place, publisher, year, edition, pages
2016.
National Category
Other Chemistry Topics
Identifiers
URN: urn:nbn:se:umu:diva-128497OAI: oai:DiVA.org:umu-128497DiVA: diva2:1052090
Conference
The 7th workshop on cellulose, regenerated cellulose and cellulose derivatives
Available from: 2016-12-05 Created: 2016-12-05 Last updated: 2016-12-05

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