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) compositionsMolecular weight analysis
Polymerization time (min)ATRP methodsP(SCMS) block (% mol)PS (% mol)P(CMS) (%mol) (g/mol)PDI

60AGET ATRP35.7522.7475.7324.279,1941.09
SR&NI ATRP16.7816.4586.1113.899,6711.07
Normal ATRP25.4014.1672.7327.279,7741.09

90AGET ATRP41.3424.7875.6124.3910,3141.05
SR&NI ATRP25.1218.5181.4818.5210,0671.06
Normal ATRP30.2716.3273.8526.159,9731.05

120AGET ATRP45.0325.5472.2227.7811,5411.13
SR&NI ATRP38.7120.2573.3326.6711,5721.08
Normal ATRP36.0418.3774.6725.3311,6981.12

180AGET ATRP50.7125.6070.0929.9112,5921.11
SR&NI ATRP45.6523.7868.3531.6513,6461.05
Normal ATRP43.0820.5169.7030.3013,4881.21

180Inifertern/an/a56.1843.828,5041.84

180Normal FRP with AIBNn/an/a52.4347.579,0692.28

240AGET ATRP54.8229.5864.2935.7116,9891.12
SR&NI ATRP55.5431.1160.6739.3316,4041.09
Normal ATRP50.1428.5765.6134.3915,9341.23

Monomers/P3HT macroinitiator mole ratio = 300/1; styrene/CMS mole ratio = 50/50.