Table 1. PVP macroCTAs Prepared for This Study.
macro CTA | [M]:[CTA]a | conv.b (%) | Mn,NMRc (g mol–1) | Mn,SECd (g mol–1) | Mw/Mnd | DPne | DPnf |
---|---|---|---|---|---|---|---|
PVP30 | 50 | 60 | 3350 | 1700 | 1.46 | 15 | 30 |
PVP55 | 100 | 30 | 6110 | 3350 | 1.42 | 30 | 55 |
PVP70 | 100 | 38 | 7780 | 3840 | 1.42 | 35 | 70 |
Monomer to RAFT agent ratio. [M] = 2 M in 1,4-dioxane.
Determined by 1H NMR spectroscopy.
Determined by 1H NMR of PVP after precipitation and drying.
Determined by SEC.
Number-average degree of polymerization from SEC.
Number-average degree of polymerization from 1H NMR.