| 摘要 |
<p>Composition (M) based on an ester of cellulose with formiate groups, said composition being an anisotropic solution containing: a) the cellulosic ester; b) formic acid; c) at least one phosphoric acid. The invention also relates to a process for obtaining said composition by dissolving the cellulose. The invention also relates to a process for obtaining articles by transforming said composition, optionally by regenerating the cellulose of said articles. The invention also relates to a cellulosic fiber of which the substitution degree of the cellulose by formiate groups is either equal to 2%, or zero or lower than 2%.</p> |
