Research Article

Cast Nanostructured Films of Poly(methyl methacrylate-b-butyl acrylate)/Carbon Nanotubes: Influence of Poly(butyl acrylate) Content on Film Evaporation Rate, Morphology, and Electrical Resistance

Table 2

Results of the synthesis of macrochains transfer agents and block copolymers by RITP.

Step 1. Synthesis of PMMAStep 2. Copolimerization PMMA-b-PBuA
Exp aXPMMA bMnTh1 cMnPMMA (g/mol) dIPMMAXPMMAXPBuA eMnTh2 fMnCopol (g/mol)ICopol gPMMA : PBuA

10.8554000445001.40.990.7056000480001.693 : 7
20.8944000290001.60.990.6041000380001.980 : 20
30.9032000240001.80.990.4438000310001.970 : 30

aX is the fractional conversion; bMnTh1 is the theoretical Mn for PMMA macrochain transfer agent; cMnPMMA is the experimental Mn for PMMA; dI is the polydispersity index; eMnTh2 is the theoretical Mn for the copolymer; fMnCopol is the experimental Mn for the copolymer; gPMMA : PBuA is the PMMA and PBuA composition calculated by 1H NMR.