Investigation on the Structure and Properties of Different PE Blown Films
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Molecular orientation and structure development during film blowing have a major effect on mechanical and physical properties of polyethylene films. In this work the structures and morphology of three different polyethylene blown films; linear low-density polyethylene (LLDPE), low-density polyethylene (LDPE), and high density polyethylene (HDPE) were studied. A series of blown films were produced at different process conditions. The orientation of lamellae and lamellar stacks and the morphology of the films were characterized by SEM, AFM and X-ray diffraction. SEM images of the film plane surface MT (Machine-Transverse) and cross section slices in TN (Transverse- Normal) and MN (Machine-Normal) planes were made and compared with AFM images. It was observed that the surface morphology reflects a continuation of the bulk morphology for the cases studied. Changes in the blown film process parameters, such as take up ratio (TUR), blow up ratio (BUR) and frost line height (FLH) have an effect on structural parameters, crystallinity and mechanical properties.
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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 it