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. 2019 May 8;11(5):836. doi: 10.3390/polym11050836

Table 3.

Cis-1,4-polymerization of myrcene by complexes 1–3/activator/AlR3 ternary systems.a

graphic file with name polymers-11-00836-i002.jpg

entry Cat. Ab t
(h)		 T
(°C)		 Y
(%)		 Ac Microstructure (%)d Mne
(105)		 Mw/Mne Tgf
(°C)
[Al]/[Ln] [MY]/[Ln] Sol. c-1,4 t-1,4 3,4 1,2
1 3 A 10 500 Tol 1 25 100 68 76 0 24 0 3 3.47 −60
2 3 B 10 500 Tol 1 25 100 68 80 0 20 0 3 2.56 −60
3 3 C 10 500 Tol 1 25 72 49 >99 0 0 0 4 1.93 −65
4 1 C 10 500 Tol 2 25 72 24 88 0 12 0 9 1.97 −60
5 2 C 10 500 Tol 48 25 6 0.002 93 0 7 0 2 2.51 −60
6 3 C 10 500 PhCl 8 25 99 8 95 0 5 0 4 2.24 −61
7 3 C 10 500 PhCl2 6 25 99 11 96 0 4 0 5 2.73 −61
8 3 C 5 500 Tol 2 25 7 2 99 0 1 0 6 2.58 −63
9 3 C 20 500 Tol 2 25 99 34 99 0 1 0 5 2.61 −63
10 3 C 40 500 Tol 2 25 94 32 98 0 2 0 3 4.26 −62
11 3 C 10 500 Tol 5 0 82 11 100 0 0 0 7 1.66 −67
12 3 C 10 500 Tol 2 50 78 27 98 0 2 0 5 3.01 −66
13 3 C 10 500 Tol 2 70 22 7 96 0 4 0 1 3.31 −60
14 3 C 10 250 Tol 2 25 78 13 99 0 1 0 6 2.71 −62
15 3 C 10 1000 Tol 2 25 75 51 100 0 0 0 5 1.75 −67
16 3 C 10 2000 Tol 2 25 61 83 99 0 1 0 7 1.96 −66
17 3 C 10 4000 Tol 3 25 65 118 99 0 1 0 9 1.76 −64
18 Yg C 10 500 Tol 48 25 20 0.23 95 0 5 0 0.1 7.01 −60
19 Yg Ch 10 500 Tol 12 25 22 1 95 2 3 0 1 7.19 −60

a Conditions unless specified otherwise: 10 μmol of Ln complex, 10 μmol of activator, only AliBu3 as AlR3, 5 mL of solvent. b Activator: A = [Ph3C][B(C6F5)4]; B = [PhNHMe2][B(C6F5)4]; C = B(C6F5)3. c Activity in 103 g of polymer/(molLn h). d Determined by 1H and 13C NMR spectrum: c-1,4: cis-1,4-selectivity; t-1,4: trans-1,4-selectivity; 3,4: 3,4-selectivity; 1,2: 1,2-selectivity. e Determined by GPC in THF at 40 °C against polystyrene standard. f Measured by DSC. g Y = Y(CH2SiMe3)3(THF)2. h 20 μmol of activator.