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| No. | Styrene (wt%) | d(−) (nm) | Polydispersity index (%) |
|---|---|---|---|
| 1 | 0.25 | 200.4 | 0.24 |
| 2 | 1.0 | 327.5 | 0.21 |
| 3 | 1.5 | 387.6 | 0.20 |
| 4 | 2.0 | 463.9 | 0.23 |
| 5 | 2.5 | 493.6 | 0.24 |
Conditions: the volume of AN was 10 ml (containing AIBN 10 mg), the volume of TBP was 30 ml, AN: TBP = 1 : 3.
