(FORTH / University of Athens)
Molecular Characteristics Of End Functionalized Block Copolymers (Amino Precursors / Zwitterionic)
Polymer | Mw . 10-3 | Mn . 10-3 | Mw/Mn | % wt PS | Quantity (g) (N/Zw) | NIS-2/Zw | 54.9 | 53.8 | 1.07 | 29 | 1.2/5.3 | NIS-7/Zw | 37.4 | 32.8 | 1.07 | 30 | 3.3/2 | NIS-3/Zw | 24.4 | 22.5 | 1.07 | 28 | 2/1 | NIS-8/Zw | 9.1 | 8.3 | 1.08 | 27 | -/0.8 | NIS-6/Zw | 6.2 | 5.1 | 1.1 | 16 | 2.5/1.3 | NIS-5F/Zw | 42.6 | 37.5 | 1.07 | 27 | 1.4/0.9 | NIS-4F/Zw | 18.8 | 17.0 | 1.07 | 30 | 2.3/1.4 | NIS-3F/Zw | 14.9 | 13.4 | 1.1 | 32 | 1.5/- | NIS-2F/Zw | 11.4 | 10.4 | 1.1 | 32 | 1.4/1.1 | NIS-1/Zw | 76.3 | 70.2 | 1.06 | 36 | 0.3/1.4 |
Linear copolymers PS-PI-C60
| Sample | Mn . 10-3
(PS) a | Mw/Mn
(PS) a | Mn .10-3(PS-PI) a | Mw/Mn
(PS-PI)a | Mn.10-3
(total) a | Mn .10-3
(total) b | % PS c | Mw/Mn
totala | Quantity (g) | | PS-PI-C60 15K | 11.5 | 1.02 | 15.7 | 1.02 | 15.7 | - | 71.9 | 1.03 | 3.0 | | PS-PI-C60 35K | 18 | 1.04 | 24.5 | 1.04 | 24.5 | 37 | 70 | 1.04 | 3.0 | a : SEC in THF
b : MO in toluene at 37ºC
c : 1H NMR in CDCl3
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a,w- Endfunctionalized Triblocks Of Styrene (S), Isoprene (I) And Methylmethacrylate (MMA)
| Sample | Mn PS . 10-3 | Mn PS-b-PI
. 10-3 | PS-b-PI-b-PMMA
. 10-3 | % wt e | Mw /Mna | Quantity (g) | | PS | PI | PMMA | | SIM 1 | 4.3 a | 3.9 b | 8.9 e | 12.9 e | 36.0 | 33.1 | 30.9 | 1.08 | 1.0 | | SIM 2 | 9.9 a | 9.7 b | 19.7 a | 29.2 d | 33.7 f | 33.2 | 34.3 | 32.5 | 1.05 | 1.0 | | SIM 3 | 12.9 a | 13.3 b | 40.3 d | 57.2 d | 62.3 f | 37.4 | 34.8 | 27.8 | 1.1 | 1.0 | | SIM 4 | 20.5 a | 18.9 b | 39.9 d | 55.8 d | 60.7 f | 33.5 | 34.6 | 31.9 | 1.08 | 1.0 | | SIM 5 | 22.7 a | 23.2 b | 29.9 d | 38.9 d | 42.8 f | 60.2 | 17.9 | 21.9 | 1.06 | 1.0 | | SIM 6 | 28.4 a | 29.7 b | 36.6 d | 42.6 d | 46.4 f | 76.3 | 14.2 | 9.5 | 1.10 | 1.0 | | SIM 7 | 35.9 a | 3.0 d | 38.5 d | 44.7 d | 51.4 f | 80.1 | 12.3 | 7.6 | 10.9 | 1.0 | a : SEC in CHCl3/ET3N at 25ºC
b : MALDI - TOF
c : SEC- MALLS in CHCl3/ET3N at 25ºC
d : MO in toluene at 30ºC
e : 1H NMR in CDCl3 at 25ºC
f : Mw from LALLS in THF at 30ºC |
End-Functionalized Copolymers Of Styrene, Isoprene With Sulfonic Group
| Sample | Mn (branch)a
. 10-4 | Mwb
. 10-4 | A2
.103 | Mnc
.10-4 | A2
.103 | % PS | Quantity
(g) | | SISu 70.40K | 3.20 | 4.71 | 1.04 | 4.962 | 1.34 | 71 | 1.0 | | SISu 70.20K | 1.44 | 1.86 | 1.34 | --- | --- | 68 | 3.0 | | SISu 70.15K | 1.21 | 1.75 | 1.27 | --- | --- | 71 | 1.5 | | SISu 70.10K | 0.69 | 0.96 | 2.30 | --- | --- | 75 | 2.0 | | SISu 30.20K | 1.20 | 1.78 | 1.46 | 1.61 | 2.34 | 36 | 1.5 | | ISSu 30.20K | 1.65 | 2.18 | 2.18 | 2.09 | 1.97 | 31 | 3.0 | | ISSu 70.20K | 0.75 | 1.95 | 1.24 | --- | --- | 72 | 2.0 |
Su: Sulfonic group (e.g. SISu diblock copolymer of S, I with the Su group at the end of PI)
a: Size Exclusion Chromatography
b: Static Light Scattering in THF (without the Su group)
c: Membrane Osmomettry in toluene
d: 1H NMR in CDCl3
|  Sotiriou K, Pispas S, Hadjichristidis N Macromolecular Chemistry and Physics 2004, 205 (1): 55
Effect of the end-positioning of a lithium sulfonate group on the aggregation and micellization behavior of omega-lithium sulfonate polystyrene-block-polyisoprenes
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