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| pH | Catalyst (g) | PPC (g) | Average degree of polymerization of PPC | Average degree of polymerization of OPC | Depolymerization yield (%) |
|---|---|---|---|---|---|
| 2.70 | 0.25 | 1.5 | 7.60 | 3.62 | 57.52 |
| 4.99 | 0.25 | 1.5 | 7.60 | 3.14 | 55.58 |
| 10.29 | 0.25 | 1.5 | 7.60 | 3.22 | 44.87 |
