Research Article
Synthesis and Characterizations of Poly(trimethylene terephthalate)-b-poly(tetramethylene glycol) Copolymers
Table 2
The composition of the synthesized PTT-PTMEG copolymers determined from 1H NMR spectra.
| PTT/PTMEG
(wt%/wt%) | PTT
(mol%) | PTT
(wt%) | | PTMEG
(mol%) | PTMEG
(wt%) | | | Theo | Exp | Theo | Exp | Theo | Exp | Theo | Exp | Theo | Exp | Theo | Exp |
| | C1-83/17 | 96.0 | 94.8 | 81.5 | 76.9 | 24.1 | 18.2 | 4.0 | 5.2 | 18.5 | 23.1 | 13.6 | 11.2 | | C2-66/34 | 90.0 | 89.2 | 62.1 | 60.1 | 9.0 | 8.3 | 10.0 | 10.8 | 37.9 | 39.9 | 13.6 | 12.6 | | C3-40/60 | 70.0 | 71.4 | 29.8 | 31.3 | 2.3 | 2.4 | 30.0 | 28.6 | 70.2 | 68.7 | 13.6 | 11.9 |
|
|
