A New Family of sHDPE Polymers for Enhanced Moisture Barrier Performance
Bibliographic record
Abstract
Conventional Ziegler-Natta catalyzed high density polyethylene (HDPE) homopolymer is used as a moisture barrier in the production of multilayer films for packaging dry food-stuffs and other moisture sensitive products. Barrier properties for these HDPEs are improved by narrowing the molecular weight distribution (MWD) and decreasing the molecular weight, at the expense of melt strength and processability. NOVA Chemicals Corporation has developed a new class of single site catalyzed high density polyethylene (sHDPE) resins for moisture barrier applications utilizing Advanced SCLAIRTECH™ Technology and NOVA Chemicals’ proprietary single site catalyst. These new sHDPE resins offer superior moisture barrier properties, exceeding the barrier performance of multilayer HDPE component films, without compromising processability.
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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".