126362.fig.006
Figure 6: Diffraction patterns of CTA: powder isolated/precipitated from a nitromethane solution with polymer concentrations of 12 (1) and 25 wt% (2); a film obtained from a solution in the process solvent (methylene chloride + ethanol (90 : 10)) with a concentration of 3 wt% (3); T = 22 ± 2°C.