| 摘要 |
PURPOSE:To obtain an odorless viscose cellulose fiber, free from problem of falling off of copper ion and problem of coloring, etc., in dyeing process and not permanently leaving rayon odor. CONSTITUTION:A viscose cellulose fiber is bleached in a scorching step and then, a copper salt solution is applied to the cellulose fiber under condition of pH3-6 and the cellulose fiber is washed with water and 0.1-200ppm copper ion expressed in terms of copper is supported on the cellulose fiber to provide the objective odorless cellulose fiber. |
