Influence of water on PE &#x2014; SiO<inf>2</inf> nanocomposites dielectric properties
Bibliographic record
Abstract
Polymers filled with inorganic nanoparticles have been extensively investigated in recent years because of their improved mechanical and electrical properties compared with the unfilled polymers. The most commonly used inorganic particles are oxides, particularly silica, because of their good properties and low cost. However, oxides have a hydrophilic nature, which leads to presence of water at the interface between particles and matrix. Due to the predominance of the particle-matrix interfaces in the case of nanocomposites, the presence of water in the interlayer region can become problematic. Moreover, the hydrophobic nature of most polymers, particularly polyolefins such as polyethylene, may make difficult the movement of this interfacial water. In this paper, dielectric spectroscopy was used during drying isothermal treatment at 80°C. The Maxwell — Wagner — Sillars relaxation peak sharpens and shifts to lower frequencies by three decades with time, translating into a modification of the interface between silica and polyethylene by drying.
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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 | 0.001 |
| 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 | 0.000 |
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 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".