Regioselective combinatorial-type synthesis, characterization, and physical properties of dendronized cellulose

Novel regioselective, homo-(4–6) and heterogeneous (7–10) dendronized cellulose derivatives have been prepared by the reaction of cellulose in a N,N-dimethylacetamide (DMAc)/LiCl solvent system with diverse dendrons (1–3) possessing an isocyanate focal group. The dendronized cellulose derivatives we...

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Bibliographic Details
Published in:Polymer (Guilford) 2005-10, Vol.46 (21), p.8947-8955
Main Authors: Hassan, Mohammad L., Moorefield, Charles N., Kotta, Kishore, Newkome, George R.
Format: Article
Language:English
Subjects:
Applied sciences
Cellulose
Cellulose and derivatives
Combinatorial
Dendritic
Exact sciences and technology
Natural polymers
Physicochemistry of polymers
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Summary:Novel regioselective, homo-(4–6) and heterogeneous (7–10) dendronized cellulose derivatives have been prepared by the reaction of cellulose in a N,N-dimethylacetamide (DMAc)/LiCl solvent system with diverse dendrons (1–3) possessing an isocyanate focal group. The dendronized cellulose derivatives were characterized using Fourier transform infrared (FTIR), 13C NMR, thermogravimetric analysis (TGA), and dynamic mechanical thermal analysis (DMTA). These polyfunctionally coated cellulose-based materials showed diverse solubility characteristics in organic solvents ranging from DMAc to methyl alcohol.
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2005.06.028