Table 1. The Viscosity of Various Solutionsa.
| sample | viscosity (cP) | fiber diameter (μm) |
|---|---|---|
| PET | 280 | 0.52 ± 0.11 |
| rPET | 180 | 1.44 ± 0.64 |
| rPET/GO-0.1 | 180 | 0.81 ± 0.27 |
| rPET/GO-0.25 | 240 | 1.17 ± 0.56 |
| rPET/GO-0.50 | 260 | 1.30 ± 0.7 |
| rPET/GO-0.75 | 180 | 0.77 ± 0.41 |
| rPET/GO-1 | 180 | 1.81 ± 1.02 |
| rPET/GO-2 | 160 | 0.59 ± 0.53 |
| rPET/GO-8 | 240 | 2.52 ± 0.53 |
The solution viscosity of various samples was measured using a Brookfield DV-I Prime digital viscometer, Brookfield Engineering Laboratories, Middleboro, MA, USA, spindle #6, at 25 °C.