Dissolution of powder cellulose samples from flax wastes and wood pulps in the dimethylacetamide-LiCl solvent was studied. The decisive factors of cellulose dissolution are the degree of chemical “purity” of cellulose and the degree of polymerization. The cellulose I supramolecular structure of the initial samples transforms into a mixture of polymorphous modifications after dissolution and subsequent regeneration from solutions. The samples regenerated from solutions consist of highly porous spherical particles. The powder samples degrade at the fibrillar level in solutions.
Russian Journal of Applied Chemistry – Springer Journals
Published: Feb 19, 2013
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