| Poly(t-BA)2 | Mn | Mw | PDI | Viscosity (cp) |
| Linear control3 | ||||
| Linear (2%) | 7550 | 12653 | 1.68 | N/A |
| Arm number (S)4 | ||||
| 3-star | 13081 | 30086 | 2.03 | 1505 |
| 4-star | 14381 | 27468 | 1.91 | 1157 |
| 6-star | 15180 | 28235 | 1.86 | 893 |
| Branching (H)5 | ||||
| LDB | 46217 | 138606 | 3.00 | 7500 |
| MDB | 29718 | 88057 | 2.96 | 5400 |
| HDB | 25003 | 76465 | 3.06 | 4102 |
| Arm number (SH)6 | ||||
| 3-star | 16630 | 55212 | 3.32 | 9270 |
| 4-star | 17164 | 49089 | 2.86 | 6110 |
| 6-star | 16725 | 91988 | 5.54 | 4650 |
| Branching (SH)7 | ||||
| LDB | 17164 | 49089 | 2.86 | 6110 |
| MDB | 12274 | 46150 | 3.76 | 3210 |
| HDB | 10575 | 44204 | 4.18 | 1900 |