Table 5. Effect of Varying the Cation in a 2:1 TFA:Cation Homoconjugate Catalyst in Silanol Polycondensation.
| entry | catalyst | Mn (Da) | Mw (Da) | Đ | conversion (%) | D4 (ppm) |
|---|---|---|---|---|---|---|
| 1 | [TMG][TFA]2 | 83,600 | 164,500 | 2.0 | 97 | 144 |
| 2 | [TBA][TFA]2 | 61,200 | 115,700 | 1.9 | 96 | 307 |
| 3 | [TBP][TFA]2 | 81,200 | 155,300 | 1.9 | 97 | 231 |
| 4 | [EMIM][TFA]2 | 19,600 | 36,200 | 1.8 | 87 | 142 |
| 5 | [PS][TFA]2 | 37,700 | 68,900 | 1.8 | 93 | 152 |
