Table 1 Physiochemical characterization of polyethylene glycol and polyacrylic acid.
Physiochemical characterization | Polyethylene glycol (PEG) | Crosslinked Polyacrylic acid (A45) |
|---|---|---|
Structural formula |
|
|
Weight average molecular weight (Mw) | 2.02 × 103 g/mol | 7.65 × 105 g/mol |
Number average molecular weight (Mn) | 1.59 × 103 g/mol | 4.14 × 105 g/mol |
Poly dispersity index (PDI) | 1.27 | 1.85 |
Degree of crosslinking | None | ~ 0.1% |
Radius of gyration (Rg) | - | 68.7Â nm |
