Table 2.
UV light‐induced ATRP of MMA using CDs under different experimental conditions (t=exposure time, L=TPMA; tris(2‐pyridylmethyl)amine)[a]
|
Run |
[MMA]/[RX]/[CD]/[CuBr2]/[L] |
t [h] |
x [b] [%] |
M n [c] [g mol−1] |
Đ [c] |
|---|---|---|---|---|---|
|
1 |
300:1:0.3:0.03:0.135 |
0.5 |
5.5 |
23 000 |
1.3 |
|
2 |
300:1:0.6:0.03:0.135 |
2.5 |
30 |
6000 |
1.2 |
|
3 |
300:1:0:0.03:0.135 |
1 |
– |
– |
– |
|
4 |
300:1:0.3:0:0.135 |
1 |
<1 |
40 0000 |
2.4 |
|
5 |
300:1:0.15:0.03:0.135 |
4 |
– |
– |
– |
[a] Polymerization experiments were performed at 405 nm at room temperature. [b] Conversion (x) determined gravimetrically. [c] Determined by gel permeation chromatography using PMMA standards.