Partitioning and Polymerization of Pyrrole into Perfluorosulfonate (Nafion) Membranes under Neutral Conditions
Bibliographic record
Abstract
The partitioning of pyrrole into Nafion membranes in their Na +, Me 4 N +, and Et 4 N + forms has been investigated by electronic absorption spectroscopy and the results are compared with those previously obtained with membranes in the acid form (H-Nafion). In the absence of the acid-catalyzed reactions observed for H-Nafion, pyrrole partitioning into neutral Nafion is weak and follows a simple equilibrium model. The partition coefficients are 1.5 for Na-Nafion, 3.1 for Me 4 N-Nafion, and 4.0 for Et 4 N-Nafion. The use of neutral Nafion for the preparation of polypyrrole-modified membranes for direct methanol fuel cells has been shown to have significant advantages over the use of H-Nafion.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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".