Research Article
Extraction and Hydrophobic Modification of Cotton Stalk Bark Fiber
Table 2
The factor-level design.
| Levels | Factors | stirring temperature (°C) | stirring time (h) | vacuum drying time (h) | concentration of modifier |
| 1 | 0 | 1.5 | 2 | 10% | 2 | 20 | 1 | 1 | 5% | 3 | 40 | 2 | 3 | 1% |
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