Continuous Foam Extrusion of Rigid-rod Polyphenylenes
Bibliographic record
Abstract
A novel family of processable rigid-rod polymers with outstanding mechanical properties have been recently introduced (Parmax® Self-Reinforced Polymers (SRPs)). These materials, among other applications, are of interest in the field of high-performance, rigid structural foam. In this study, the foam processability of Parmax® SRP resin is investigated using a single-screw foam extrusion setup and butane as a blowing agent. The effects of die temperature (i.e. the foaming temperature) on the cell size, cell density, cell morphology, and volume expansion ratios are investigated. Blowing agent concentrations and their effects on foam creation are also examined. Microcellular Parmax® SRP foams with cell population densities on the order of 10 9 -10 10 cells/cm 3 and expansion ratios ranging from 1.5 to 2 are fabricated.
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".