DT-THE The JJ-CHEM resulting JJ viscous NN-CHEMENTITY mixture VBD was RB slowly VB-ADD added TO to RB vigorously JJ-CHEM stirred OSCAR-CM MeOH -LRB- ( NN ca. CD 30 NN-VOL mL -RRB- ) TO to VB-YIELD give DT a JJ white NN-CHEMENTITY precipitate IN-OF of JJ-CHEM diblock NN-CHEMENTITY copolymer OSCAR-CM PNBE--PSt