Table 1. Calculated Apparent Number Average (Mn) and Weight Average (Mw) Molecular Weight (g/mol), as Well as the PI.
sample | Mn in PS equ | Mw in PS equ | PI |
---|---|---|---|
butyrated Kraft lignin | 4000 | 10 900 | 2.7 |
C12 esterified Kraft lignin (water purified) | 3500 | 14 000 | 4.0 |
C12 esterified Kraft lignin (ethanol purified) | 3600 | 16 500 | 4.6 |
C18 esterified Kraft lignin (2-propanol purified) | 4000 | 13 600 | 3.4 |