Ethylene Propylene Rubber Polyampholytes and their Blends with Polypropylene as an Alternative to Chemically Cross‐<scp>L</scp>inked Thermoplastic Elastomers and Thermoplastic Vulcanizates
Bibliographic record
Abstract
Abstract An ethylene propylene rubber polyampholyte (EPR‐g‐PA) containing zwitterionic ammonium carboxylate grafts is prepared by reacting maleated EPR (EPR‐g‐MAn) with a tertiary amino alcohol, 2‐[2‐(dimethylamino)ethoxy]ethanol (DMAEE). EPR‐g‐PA has equivalent viscoelastic properties to an EPR that is lightly cross‐linked using a peroxide cure, but with a higher strain hardening coefficient and elongation at break. EPR‐g‐PA has similar adhesion to metals and improved adhesion to other ionomers, whereas the adhesive strength to a polyamide substrate is reduced compared to the EPR‐g‐MAn. The in situ reaction of EPR‐g‐MAn with DMAEE during blending with PP produced a blend with superior impact properties compared to the thermoplastic vulcanizate (TPV) blend of peroxide cross‐linked EPR‐g‐MAn and PP.
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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".