An Improved PO3G Model–Accounting for Cyclic Oligomers
Bibliographic record
Abstract
Abstract A comprehensive model is developed for polycondensation of 1,3‐propanediol in a batch reactor. The model accounts for formation, consumption, and evaporation of cyclic oligomers. Measurements of species and end‐group concentrations in the reactor and collected condensate are used to estimate 36 kinetic and mass‐transfer parameters. The model and parameter estimates provide good fits to cyclic‐oligomer data obtained using four different levels of super‐acid catalyst. Predictions from the model reveal that end‐biting reactions are important for formation of cyclic oligomers during early stages of each batch‐reactor run, whereas back‐biting reactions become important at longer reaction times. Simulation results reveal that ring‐opening polyaddition reactions contribute significantly to growth of polymer chains at long reaction times.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".