Table I.
Pluronic | Formulaa | Mw (Da)b | HLBc | CMC (M)d | CMC (wt%) |
---|---|---|---|---|---|
L31 | EO2-PO16-EO2 | 1100 | 3.2 | N/A | |
L35 | EO11-PO16-EO11 | 1900 | 10 | 5.3 × 10−3 | 1.007 |
L61 | EO2-PO31-EO2 | 2000 | 2.0 | 1.1 × 10−4 | 0.022 |
L44 | EO10-PO23-EO10 | 2200 | 8 | 3.6 × 10−3 | 0.792 |
L62 | EO6-PO35-EO6 | 2500 | 4.0 | 4.0 × 10−4 | 0.1 |
L81 | EO3-PO43-EO3 | 2750 | 2.0 | 2.3 × 10−5 | 0.0063 |
L64 | EO13-PO30-EO13 | 2900 | 8.0 | 4.8 × 10−4 | 0.14 |
L10 | EO4-PO50-EO4 | 3200 | 2.0 | N/A | |
L92 | EO8-PO50-EO8 | 3650 | 4.0 | 8.8 × 10−5 | 0.032 |
L121 | EO5-PO68-EO5 | 4400 | 2.0 | 1.0 × 10−6 | 0.0004 |
P85 | EO26-PO40-EO26 | 4600 | 10 | 6.5 × 10−5 | 0.03 |
P123 | EO20-PO69-EO20 | 5750 | 6.0 | 4.4 × 10−6 | 0.0025 |
F87 | EO61-PO40-EO61 | 7700 | 24 | 9.1 × 10−5 | 0.07 |
Information provided by the manufacturer; PO, propylene oxide; EO, ethylene oxide. Mw: molecular weight; Da: Dalton.
Information calculated based on Mw of PO and EO; HLB: hydrophilic lipophilic balance.
CMC, critical micelle concentration; information was adapted from Batrakova et al.[39]. M: molar; wt%: weight percent.