The bamboo pulp has the typical diffraction peaks of cellulose I at 2h = 14.8, 16.3 and 22.6 (Zhang et al., 2005; Reddy and Yang,2008). However, after dissolved and regenerated, it exhibits the
typical diffraction patterns of cellulose II at 2h = 20.1 and 21.2.
This transformation from cellulose I to cellulose II occurred, which
was also testified from the results of Zhang et al. (2005).