Fig. 1 SEC traces of PBLGs obtained during the polymerisations of BLG–NCA (150 equiv.) in DMF initiated by (a) TAB 3HCl (1 equiv.), r.t.; (b) TAB 3HCl (1 equiv.), 50 1C; (c) TAB 3HCl/TEA (1 : 0.5 equiv.), r.t.; and (d) TEA (0.5 equiv.), r.t.; the peak (*) is a high molar mass polystyrene (PS2M; 2 MDa) used as internal standard for calculating the monomer conversion (ESI†).
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