NN-SYNTHESIZE Synthesis IN-OF of DT-THE the JJ brown RB dropwise JJ-CHEM Hyperbranched NNP Macroligands IN-VIA via NNP Michael NNP Addition IN-OF of OSCAR-CM Butyl CC or OSCAR-CM Ethyl OSCAR-CM Acrylate IN-WITH with OSCAR-CM HPEI STOP . DT-THE The JJ synthetic NN-METHOD procedure IN-FOR for RB partially NNP EA- CC or JJ-CHEM BA-modified OSCAR-CM HPEI VBZ is VBN exemplified IN-FOR for CD HPEI25K-EA0.79 COLON : CD 1.00 NN-MASS g IN-OF of OSCAR-CM HPEI25K -LRB- ( OSCAR-CM Mn SYM = CD 2.50 NN x CD 104 COMMA , CD 23.3 NN-AMOUNT mmol IN-OF of OSCAR-CM amine NNS groups -RRB- ) VBD was VB-DISSOLVE dissolved IN-IN in CD 5.00 NN-VOL mL IN-OF of OSCAR-CM THF COMMA , CC and RB-CONJ then CD 2.52 NN-VOL mL -LRB- ( CD 23.3 NN-AMOUNT mmol -RRB- ) IN-OF of NNP EA VBD was VB-ADD added STOP . DT-THE The NN-CHEMENTITY mixture VBD was VB-STIR stirred IN at NN-TEMP room NN-TEMP temperature IN-FOR for CD 24 NN-TIME h CC and RB subsequently IN at CD 50 NN-TEMP °C IN-FOR for DT another CD 24 NN-TIME h STOP . CD 6 NN wt. NN-PERCENT % IN at CD 333 NN-TEMP K STOP .