Table 1.
Code | Composition (Molar Ratio)a | N (%)b | Mw (Da) |
PEI (%)d | Grafted T85 /PEIb | |
---|---|---|---|---|---|---|
EAb | 1H NMRc | |||||
Z0 | T85 | 0 | 0 | |||
Z1 | T85-PEI 0.8k (1:1) | 4.43 | 6,019.6 | 6,981.4 | 13.28 | 6.53 |
Z2 | T85-PEI 0.8k (1:3) | 5.20 | 5,123.5 | 5,534.8 | 15.61 | 5.40 |
Z3 | T85-PEI 0.8k (3:1) | 4.12 | 6,422.5 | 7,223.6 | 12.46 | 7.02 |
Z4 | T85-PEI 1.2k (1:1) | 5.17 | 7,766.7 | 8,370.2 | 15.45 | 5.47 |
Z5 | T85-PEI 1.2k (1:3) | 6.24 | 6,410.3 | 5,796.3 | 18.72 | 4.34 |
Z6 | T85-PEI 1.2k (3:1) | 4.65 | 8,602.2 | 9,289.4 | 13.95 | 6.17 |
Z7 | T85-PEI 2.0k (1:1) | 2.85 | 23,391.8 | 25,863.7 | 8.55 | 10.70 |
Z8 | T85-PEI 2.0k (1:3) | 6.97 | 9,564.8 | 10,808.3 | 20.91 | 3.78 |
Z9 | T85-PEI 2.0k (3:1) | 2.75 | 24,242.5 | 29,485.6 | 8.25 | 11.12 |
Z8-PMOe | conjugate | about three PMOs were grafted onto one Z8 polymer |
Feed ratio of starting materials
Microanalysis of nitrogen
1H-NMR analysis with 500 MHz Jeol
Assume the N (%) is 33.33 WT% in each PEI
PMO covalent to polymer chemically