Research Article

Kinetic Studies of Atom Transfer Radical Polymerisations of Styrene and Chloromethylstyrene with Poly(3-hexyl thiophene) Macroinitiator

Table 2

Effects of monomer : macroinitiator mole ratios and polymerization times on monomers conversions, molecular weights, and compositions of the P3HT-b-P(S-co-CMS) copolymers obtained from ATRP of styrene and chloromethylstyrene.

Conditions Monomers conversion (%)P3HT-b-P(S-co-CMS) compositionsMolecular weight analysis
Polymerization time (min)Monomers/P3HT mole ratiosP(SCMS) block (% mol)PS (% mol)P(CMS) (%mol) (g/mol)PDI

60300 : 125.4014.1672.7327.279,7741.09
200 : 119.634.8477.0622.948,2491.07

90300 : 130.2716.3273.8526.159,9731.09
200 : 126.188.4173.8526.159,3211.05

120300 : 136.0418.3774.6725.3311,6981.06
200 : 129.9912.7969.7030.3010,1121.05

180300 : 143.0820.5169.7030.3013,4881.13
200 : 135.5116.5370.9729.0311,1901.08

240300 : 150.1428.5765.6134.3915,9341.12
200 : 138.5518.5768.2131.7912,0791.11

Styrene/CMS mole ratio = 50/50.