Abstract
AbstractAllylamine partially penetrates the cellulose crystal lattice and effects only partial transformation to the cellulose‐amine complex. The 101 interplanar spacing of the allylamine complex is similar to that of the propylamine complex. Differences in amme interaction with cellulose are not explained by considerations of base strength of amines, stereochemistry, or degree of association of the amines. Cellulose treated with ethylamine, then allylamine is completely transformed to what seems to be the cellulose‐allylamine complex. Slow evaporation of allylamine from the cellulose I complex seems to produce cellulose III; from the cellulose II complex, cellulose II. Fast evaporation of ethyl‐, propyl‐, or allylamine from amine‐wet cellulose restores the initial cellulose lattice. Slow evaporation of ethylamine produces cellulose III; of propylamine a mixed lattice of cellulose I with little cellulose III and much of the complex.
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