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. 2025 Jun 3;17(23):34592–34601. doi: 10.1021/acsami.5c07594

1. (Co)­polymerization of Propylene (and 11-Bromo-1-undecene) .

entry [11-Br] (mM) activity productivity yield (g) incorporation (mol %) Mw (kg mol–1) M
1‴ 0 10,100 32.1 8.03 0.00 98 4.7
2‴ 91 3580 11.4 4.27 2.96 226 2.8
2‴ 137 2090 6.65 2.49 4.78 172 2.7
2‴ 182 1230 3.92 1.47 9.10 163 2.5
a

Conditions: dimethylsilylene bis­(2-methyl-4-phenyl-1-indenyl) zirconium dichloride (Zr), MAO used as a cocatalyst and scavenger with [Al]0:[Zr]0 = 1000:1. Molar ratio of [TIBA]0:[11-Br]0 = 1:10, 0.5 mL toluene, 49.5 mL hexanes, propylene 2 bar, polymerization temperature = 50 °C, 0.5 h. Polymerization was performed at least in duplicate and mean values reported.

b

kgPP molZr –1 h–1 bar–1.

c

kgPP gZr –1 h–1.

d

Determined by 1H NMR spectroscopy.

e

Determined by SEC using the Mark–Houwink correction for PP.