Summaries of the synthesized P[VBMI][BF4] and P[VBMI][BF4]-b-PNIPAM.
| Polymera | [M]0 : [CTA]0 : [AIBN]0 | Time (h) | Conv.b (%) | M n,th c (kg mol−1) | M n,NMR d (kg mol−1) | M n,GPC e (kg mol−1) | Ð f | |
|---|---|---|---|---|---|---|---|---|
| Homopolymer | N223 | 1000 : 4 : 1 | 2 | 89 | 25.6 | 24.8 | 21.5 | 1.16 |
| PIL18 | 60 : 3 : 1 | 6 | 91 | 5.5 | 4.9 | 7.8 | 1.13 | |
| PIL37 | 120 : 3 : 1 | 6 | 92 | 10.9 | 10.3 | 11.9 | 1.12 | |
| PIL56 | 180 : 3 : 1 | 6 | 93 | 16.3 | 15.6 | 12.7 | 1.15 | |
| PIL76 | 270 : 3 : 1 | 6 | 84 | 22.0 | 21.5 | 13.9 | 1.16 | |
| First group | I18N239 | 750 : 3 : 1 | 3 | 96 | 32.5 | 35.4 | 25.8 | 1.18 |
| I37N231 | 750 : 3 : 1 | 3 | 92 | 37.0 | 37.9 | 23.9 | 1.14 | |
| I56N221 | 750 : 3 : 1 | 3 | 88 | 41.3 | 40.6 | 17.7 | 1.26 | |
| Second group | I76N226 | 750 : 3 : 1 | 3 | 90 | 47.6 | 46.5 | 23.9 | 1.11 |
| I76N92 | 360 : 3 : 1 | 3 | 77 | 32.4 | 32.5 | 11.0 | 1.07 | |
| I76N364 | 1200 : 3 : 1 | 3 | 91 | 63.2 | 58.7 | 30.6 | 1.14 | |
a
I represents the P[VBMI][BF4] block and N represents the PNIPAM block.
b
Monomer conversion determined by 1H NMR analysis.
c
Theoretical molecular weight determined by monomer conversion.
d
Molecular weight determined by 1H NMR analysis.
e
Molecular weight determined by GPC analysis.
f
Dispersity (Ð) determined by GPC analysis.