Table 1.
Feed composition, elemental analysis and polymer composition of PFSA, PAS and PFS.
| sample | feed composition M1 : M2 : M3 : M4a | elemental composition |
polymer composition M1 : M2 : M3 : M4b | intrinsic viscosity (dl g−1) | |||
|---|---|---|---|---|---|---|---|
| C (wt%) | N (wt%) | S (wt%) | H (wt%) | ||||
| PFSA | 87.4 : 12.0 : 0.3 : 0.3 | 46.30 | 13.89 | 4.56 | 6.49 | 84.90 : 14.25 : 0.39 : 0.46 | 0.90 |
| PAS | 87.7 : 12.0 : 0.3 : 0 | 46.40 | 14.06 | 4.81 | 6.60 | 84.65 : 14.91 : 0.44 : 0 | 1.27 |
| PFS | 87.7 : 12.0 : 0 : 0.3 | 45.60 | 14.49 | 4.76 | 6.34 | 85.18 : 14.32 : 0 : 0.50 | 1.13 |
a,bM1, acrylamide; M2, NaAMPS; M3, AOP; M4, VF molar compositions.