Table 1.
Entry | PAA | PAA-g-MPEG | |
---|---|---|---|
BAC/phenylethylamine /ethanolamine |
Graft efficiency* |
||
Feed ratio | Measured ratio* | ||
PAA(8:2)-PEG2000 | 9/8/2 | 9/8/2 | 93% |
PAA(7:3)-PEG2000 | 9/7/3 | 9/7/3 | 84% |
PAA(6:4)-PEG2000 | 9/6/4 | 9/6/4 | 71% |
PAA(8:2)-PEG5000 | 9/8/2 | 9/8/2 | 79% |
PAA(7:3)-PEG5000 | 9/7/3 | 9/7/3 | 67% |
PAA(6:4)-PEG5000 | 9/6/4 | 9/6/4 | 58% |
*Calculated from peak areas of respective protons in 1H NMR.