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Record W1992087291 · doi:10.1021/ma9020856

<i>In Situ</i> Follow-Up of the Intercalation Process in a Clay/Polymer Nanocomposite Model System by Rheo-XRD Analyses

2009· article· en· W1992087291 on OpenAlexaff
Alejandra Reyna-Valencia, Y. Deyrail, Mosto Bousmina

Bibliographic record

VenueMacromolecules · 2009
Typearticle
Languageen
FieldMaterials Science
TopicPolymer Nanocomposites and Properties
Canadian institutionsUniversité Laval
Fundersnot available
KeywordsMontmorilloniteIntercalation (chemistry)NanocompositeMaterials sciencePolymerRheometerRheologyRheometryComposite materialShearing (physics)Exfoliation jointEpoxyChemical engineeringPolymer nanocompositeDiffractionPolymer chemistryChemistryNanotechnologyOrganic chemistryGraphene

Abstract

fetched live from OpenAlex

This work deals with the follow-up of structure evolution in clay−polymer nanocomposites during the intercalation process through in situ analyses combining X-ray diffraction and rheology using a home-modified X-ray diffraction setup coupled with a rheometer with a special shearing cell developed for this work. To avoid any interference of medium elasticity, the selected matrix was a bisphenol A-based epoxy resin DGEBA with a Newtonian behavior under the examined experimental conditions. The selected clay was an organophilic montmorillonite (Cloisite 30B). The evolution of clay stacks in the clay−polymer nanocomposites was assessed under quiescent conditions by simultaneous time-resolved X-ray diffraction (XRD) and rheometry. The main results showed a very slow polymer diffusion process that increases the concentration of the intercalated stacks, narrows their distribution, and decreases the number of lamellae per stack.

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 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 categoriesnone
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 score0.008
Threshold uncertainty score0.559

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)0.0000.000

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 head0.016
GPT teacher head0.270
Teacher spread0.254 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations28
Published2009
Admission routes1
Has abstractyes

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