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. 2020 Dec 8;10(71):43566–43578. doi: 10.1039/d0ra07635j

Summary of activation energy (Ea), Arrhenius pre-exponential factor (A), and apparent polymerization rate constant at 150 °C (kapp, 150 °C) estimated from Borchardt and Daniels (B/D) approach using various initiators/initiating systems at heating rates of 5, 10, 15, and 20 °C min−1.

Initiators/initiating systems Heating rate, β (°C min−1) Kinetic parameters
E a a (kJ mol−1) A b (min−1) k app, 150 °C c (min−1)
Sn(Oct)2 5 79 5.42 × 1010 0.3150
10 89 2.35 × 109 0.3162
15 89 1.49 × 109 0.3747
20 91 6.32 × 108 0.4163
Liquid Sn(OnC4H9)2 5 76 3.40 × 1010 0.5057
10 78 2.65 × 1010 0.5742
15 80 2.19 × 1010 0.6729
20 84 2.87 × 1010 0.7696
Sn(Oct)2/nC4H9OH 5 78 7.82 × 109 0.4230
10 84 2.59 × 1010 0.4322
15 87 3.05 × 1010 0.4346
20 88 2.57 × 1010 0.4936
Liquid Sn(OnC6H13)2 5 80 2.63 × 1011 0.2323
10 87 3.40 × 1011 0.2352
15 87 2.19 × 1011 0.2458
20 87 2.07 × 1011 0.2773
Sn(Oct)2/nC6H13OH 5 89 3.64 × 1011 0.1710
10 90 3.79 × 1011 0.1722
15 92 4.63 × 1011 0.1975
20 94 1.13 × 109 0.2172
Liquid Sn(OnC8H17)2 5 90 3.52 × 1011 0.1446
10 91 4.36 × 109 0.1475
15 96 9.56 × 109 0.1617
20 97 9.48 × 109 0.1639
Sn(Oct)2/nC8H17OH 5 97 7.66 × 108 0.0372
10 98 3.44 × 109 0.0943
15 98 7.84 × 1010 0.1077
20 100 1.27 × 1010 0.1082
a

B/D: multiple linear regression of eqn (12), −Ea/R = slope.

b

ln (A) = intercept.

c

k app = apparent rate constant at 150 °C = dα/dt/(1 − α)n.