OSCAR-CJ HyperBranched NN-CHEMENTITY Polymerization STOP . DT A JJ typical NN-CHEMENTITY polymerization NN-METHOD procedure VBD was IN-AS as VBZ follows STOP . NNP Cp CD 2 NN TiCl OSCAR-CD 2 -LRB- ( CD 25 NN-MASS mg COMMA , CD 0.1 CD-UNICODE × CD 10 CD -3 NN-MOLAR M -RRB- ) COMMA , OSCAR-CM Zn -LRB- ( CD 7 NN-MASS mg COMMA , CD 0.1 CD-UNICODE × CD 10 CD -3 NN-MOLAR M -RRB- ) CC and OSCAR-CM dioxane -LRB- ( CD 0.5 NN-VOL mL -RRB- ) VBD were VB-ADD added IN-INTO into DT a CD 5 NN-VOL mL NN-STATE glass NN-APPARATUS tube COMMA , CC and RB then DT-THE the NN-CHEMENTITY reaction NN-CHEMENTITY solution VBD was VB-DEGASS degassed VB-USE using CD three JJ freeze-vacuum-thaw NN-CHEMENTITY cycles COMMA , CC and VB-SYNTHESIZE reacted IN at NN-TEMP room NN-TEMP temperature IN-FOR for CD 10 NN-TIME min COMMA , IN until DT-THE the NN-CHEMENTITY solution VBD turned JJ lime JJ green STOP . NNP GMA -LRB- ( CD 0.355 NN-MASS g COMMA , CD 2.5 CD-UNICODE × CD 10 CD -3 NN-MOLAR M -RRB- ) COMMA , OSCAR-CM St -LRB- ( CD 0.260 NN-MASS g COMMA , CD 2.5 CD-UNICODE × CD 10 CD -3 NN-MOLAR M -RRB- ) COMMA , NNP CuBr OSCAR-CD 2 -LRB- ( CD 23 NN-MASS mg COMMA , CD 0.1 CD-UNICODE × CD 10 CD -3 NN-MOLAR M -RRB- ) CC and OSCAR-CM bpy -LRB- ( CD 48 NN-MASS mg COMMA , CD 0.3 CD-UNICODE × CD 10 CD -3 NN-MOLAR M -RRB- ) VBD were VB-ADD added IN-INTO into DT-THE the NN-CHEMENTITY reaction NN-CHEMENTITY solution COMMA , CC and DT-THE the NN-APPARATUS tube VBD was RB again VB-DEGASS degassed VB-USE using CD three JJ freeze-vacuum-thaw NN-CYCLE cycles STOP . DT-THE The NN-APPARATUS tube VBD was RB then VB-APPARATUS sealed IN-UNDER under DT a NN-CHEMENTITY vacuum COMMA , CC and DT-THE the NN-CHEMENTITY sealed NN-APPARATUS tube VBD was VBN immersed IN-IN in DT an NN-STATE oil NN-APPARATUS bath IN at CD 90 NN-TEMP °C STOP . IN-AFTER After NN-CHEMENTITY polymerization IN-FOR for CD 4 NN-TIME h COMMA , DT-THE the NN-APPARATUS tube VBD was RB rapidly VB-COOL cooled TO to NN-TEMP room NN-TEMP temperature STOP . DT-THE The NN-CHEMENTITY polymer NN-CHEMENTITY solution IN-IN in OSCAR-CM THF VBD was VBN passed IN through DT a JJ short NN-COLUMN column IN-OF of JJ neutral OSCAR-CM alumina TO to VB-REMOVE remove DT-THE the NN-CHEMENTITY metal OSCAR-CM salt STOP . IN-AFTER After CD two NNS precipitations IN-BY by NN-ADD addition IN-OF of DT-THE the NN-CHEMENTITY polymer NN-CHEMENTITY solution IN-INTO into NN-CHEMENTITY petroleum OSCAR-CM ether -LRB- ( CD 30- CD 60 NN-TEMP °C -RRB- ) COMMA , DT-THE the OSCAR-CJ hyperbranched OSCAR-CM P(GMA DASH - NN co OSCAR-CM -St -RRB- ) NN -Br OSCAR-CM n -LRB- ( OSCAR-CM HP(GMA-St)-Br OSCAR-CM n -RRB- ) VBD was VB-YIELD obtained IN-IN in DT a CD 51 NN-PERCENT % VB-YIELD yield IN-AFTER after NN-FILTER filtration CC and VB-DRY drying IN-IN in DT a NN-CHEMENTITY vacuum NN-APPARATUS oven IN at CD 30 NN-TEMP °C NN-TIME overnight STOP . DT-THE The NN-CHEMENTITY monomer NN conversion VBD was VBN determined RB gravimetrically STOP . VBD was CD 78 CD 000 CC and VBD was CD 1.19 STOP .