Transparent and Thermoplastic Silicone Materials Based on Room-Temperature Diels–Alder Reactions
Bibliographic record
Abstract
A chemoenzymatic synthesis was used in the production of translucent silicone material with Diels–Alder cross-links. The exploration of a library of diene and dienophile combinations yielded materials that were initially cured in 5 h at room temperature and that could be repaired in <5 min with a relatively low-temperature regimen (heat to 80 °C and cool to room temperature to cure). All of the synthesized materials were thermoplastic and could be remolded while effectively retaining the bulk properties of the parent material (e.g., translucency, tensile strength, hardness, etc.). The healed “scars” of the materials were quite robust, with subsequent catastrophic failure during elongation of repaired materials occurring outside of these locations. To the best of our knowledge, this is the first and only reported case of a cross-linked silicone material based on the Diels–Alder reaction, where curing of the silicone material occurs at room temperature.
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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) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".