Research Article
Kinetic Studies of Atom Transfer Radical Polymerisations of Styrene and Chloromethylstyrene with Poly(3-hexyl thiophene) Macroinitiator
Table 3
Monomers conversions, molecular weights, and compositions of the P3HT-b-P(S-co-CMS) copolymers obtained from various ATRP systems.
| Conditions |
Monomers conversion (%) | P3HT-b-P(S-co-CMS) compositions | Molecular weight analysis | Polymerization time (min) | ATRP methods | P(SCMS) block (% mol) | PS (% mol) | P(CMS) (%mol) | (g/mol) | PDI |
| 60 | AGET ATRP | 35.75 | 22.74 | 75.73 | 24.27 | 9,194 | 1.09 | SR&NI ATRP | 16.78 | 16.45 | 86.11 | 13.89 | 9,671 | 1.07 | Normal ATRP | 25.40 | 14.16 | 72.73 | 27.27 | 9,774 | 1.09 |
| 90 | AGET ATRP | 41.34 | 24.78 | 75.61 | 24.39 | 10,314 | 1.05 | SR&NI ATRP | 25.12 | 18.51 | 81.48 | 18.52 | 10,067 | 1.06 | Normal ATRP | 30.27 | 16.32 | 73.85 | 26.15 | 9,973 | 1.05 |
| 120 | AGET ATRP | 45.03 | 25.54 | 72.22 | 27.78 | 11,541 | 1.13 | SR&NI ATRP | 38.71 | 20.25 | 73.33 | 26.67 | 11,572 | 1.08 | Normal ATRP | 36.04 | 18.37 | 74.67 | 25.33 | 11,698 | 1.12 |
| 180 | AGET ATRP | 50.71 | 25.60 | 70.09 | 29.91 | 12,592 | 1.11 | SR&NI ATRP | 45.65 | 23.78 | 68.35 | 31.65 | 13,646 | 1.05 | Normal ATRP | 43.08 | 20.51 | 69.70 | 30.30 | 13,488 | 1.21 |
| 180 | Iniferter | n/a | n/a | 56.18 | 43.82 | 8,504 | 1.84 |
| 180 | Normal FRP with AIBN | n/a | n/a | 52.43 | 47.57 | 9,069 | 2.28 |
| 240 | AGET ATRP | 54.82 | 29.58 | 64.29 | 35.71 | 16,989 | 1.12 | SR&NI ATRP | 55.54 | 31.11 | 60.67 | 39.33 | 16,404 | 1.09 | Normal ATRP | 50.14 | 28.57 | 65.61 | 34.39 | 15,934 | 1.23 |
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Monomers/P3HT macroinitiator mole ratio = 300/1; styrene/CMS mole ratio = 50/50.
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