Table 2.
Molecular weight characteristics of LEP treated with different γ-irradiation dose
| Dose (kGy) | RT (min) | Molecular weight parameters | |||
|---|---|---|---|---|---|
| Mw (Da)a | Mn (Da)b | Polydispersity c | Area / % | ||
| 0 | 7.967 | 691,200 | 382,200 | 1.81 | 89.13 |
| 9.194 | 22,360 | 19,510 | 1.15 | 10.87 | |
| 4 | 8.162 | 492,400 | 302,100 | 1.63 | 88.09 |
| 9.29 | 20,350 | 17,010 | 1.20 | 11.91 | |
| 8 | 8.44 | 472,100 | 298,800 | 1.58 | 62.51 |
| 9.243 | 23,010 | 19,530 | 1.18 | 37.49 | |
| 16 | 8.534 | 301,000 | 220,700 | 1.36 | 50.03 |
| 9.271 | 22,320 | 18,000 | 1.24 | 49.97 | |
aWeight-average molecular weight
bNumber-average molecular weight
cPolydispersity index (Mw/Mn)