Bibliographic record
Abstract
The preparation of new sulfone monomer and polymer based on 4-Vinylbenzylphenylsulfone (4-VBPS) and free radical polymerization was investigated, based on the reaction of chloromethyl styrene with sodium phenyl sulfone (phSO2Na) in dimethylformamide (DMF), using the phase transfer catalysts 18-crown-6. Copolymerization of the prepared sulphone monomer with p-methylstyrene was carried out at 65 ˚C. Nonpolymerizable 4-Ethylbenzylphenylsulfone was also prepared. The prepared monomers and polymers were characterized by different spectroscopic techniques, the number-average molecular weights (Mn) of the resulting polymer was found to be in the range of 70,100 -73,100, with polydispersity indices (Mw/Mn) vary from 1.8 to 1.9. Photolysis of the prepared polysulfone polymer and possible grafting of methyl methacrylate (MMA) monomer will be reported.
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 machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.002 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".