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Record W1994831026 · doi:10.1021/ma991954g

Control of the Subinclusion Microstructure in HDPE/PS/PMMA Ternary Blends

2000· article· en· W1994831026 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueMacromolecules · 2000
Typearticle
Languageen
FieldMaterials Science
TopicPolymer crystallization and properties
Canadian institutionsPolytechnique Montréal
Fundersnot available
KeywordsMaterials scienceComposite numberCoalescence (physics)High-density polyethyleneComposite materialTernary operationMicrostructureParticle sizeSurface tensionAnnealing (glass)Chemical engineeringPolyethyleneThermodynamics

Abstract

fetched live from OpenAlex

Various ternary blends of HDPE, PS, and PMMA were prepared in one step using a Brabender mixer. When HDPE is the major component, as in this case, the morphology consists of a HDPE matrix, a PS dispersed phase and PMMA subinclusions within the dispersed PS, as predicted by the spreading coefficients. SEM observation and quantitative characterization were used to show that this complex morphology occurs within the first minutes of mixing and remains stable thereafter. Furthermore, it is shown quantitatively that all the PMMA is present in subinclusion form. It is possible to manipulate the dispersed phase internal structure from small PMMA subinclusions dispersed in a larger PS particle to a PS/PMMA core−shell structure upon decreasing the PS/PMMA composition ratio. Coalescence of composite droplets was also investigated. Upon annealing, these systems clearly experience a dual coalescence process: composite droplet/composite droplet coalescence and coalescence between dispersed subinclusion particles. Although some particle size increase is observed, the main effect of static coalescence is the transition from dispersed subinclusions to a core−shell structure at long times. It is shown that dynamic coalescence is controlled by the thickness of the shell layer. Morphological changes of the composite droplet size were also measured and explained in terms of interfacial tension and viscosity reductions. It is demonstrated that the composite droplet size is controlled by the outer shell thickness.

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.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.009
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.000

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.

Opus teacher head0.005
GPT teacher head0.200
Teacher spread0.195 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it