Table 1.
Molecular weight and molecular weight distribution of macromonomers*
Macromonomer | Feed molar ratio | Mn | Mw | Mw/Mn |
---|---|---|---|---|
HEMA-PLLA2 | HEMA/LLA = 2/100 | 6200 | 7990 | 1.29 |
HEMA-PLLA5 | HEMA/LLA = 5/100 | 4300 | 5900 | 1.37 |
HEMA-PLLA10 | HEMA/LLA = 10/100 | 3700 | 4000 | 1.08 |
HEMA-PLLA20 | HEMA/LLA = 20/100 | 930 | 1770 | 1.90 |
HEA-PLLA10 | HEA/LLA = 10/100 | 2570 | 3900 | 1.52 |
HEA-PLLA20 | HEA/LLA = 20/100 | 490 | 530 | 1.08 |
HPMA-PLLA10 | HPMA/LLA = 10/100 | 3200 | 4900 | 1.53 |
HBA-PLLA10 | HBA/LLA = 10/100 | 720 | 950 | 1.32 |
Reaction conditions: [LLA]/[Sn(Oct)2] = 100; Temperature = 140°C, Time = 2 h.