Abstract
Cellulose fibers were extracted from water plants, Elodea Nuttallii, and the structure of the fibers and the anisotropic texture of the regenerated cellulose films were investigated. Wide-angle X-ray powder diffractions revealed that the coarse fibers extracted showed crystal structure of cellulose Iβ and the crystallinity of the fibers was 36.0%. The coarse fibers were refined by the treatment with 17.5% sodium hydroxide aqueous solution and were dissolved in LiCl/ dimethylacetamide (DMAc) solution. The cotton cellulose/LiCl/DMAc solution were prepared for comparison. The texture of the regenerated film for the refined cellulose of the water plants obtained by heating a drop of the solution on a cover glass showed extremely small anisotropic domains as compared with the regenerated cotton cellulose film.
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