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Record W1993085963 · doi:10.1002/pen.20461

Polymerization compounding of polyurethane‐fumed silica composites

2006· article· en· W1993085963 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

VenuePolymer Engineering and Science · 2006
Typearticle
Languageen
FieldMaterials Science
TopicPolymer Nanocomposites and Properties
Canadian institutionsUniversité LavalPolytechnique Montréal
Fundersnot available
KeywordsMaterials scienceFumed silicaPolyurethaneComposite materialPolymerHydroxyl-terminated polybutadienePolymerizationPolybutadieneThermogravimetric analysisAbsorption of waterComposite numberChemical engineeringCopolymer

Abstract

fetched live from OpenAlex

Abstract Polymerization Compounding (PC) offers the possibility to design composite materials by controlling the architecture of a grafted polymer on the surface of solid substrates to be incorporated in a polymer matrix. The approach consists in involving the surface of a reinforcement in a polymerization process of a polymer to be used either as a matrix in the final composite or else as a special surface treatment to enhance solid/polymer interface properties in the composite. The PC process is illustrated here with fumed silica as a solid substrate and polyurethane as a matrix. The hydroxyl sites on silica particles were reacted consecutively with a toluene diisocyanate (TDI) compound and then with either bis‐phenol‐A (BA) or hydroxy‐terminated polybutadiene (HTPB) in order to obtain the desired coating. Soxhlet extractions were conducted to confirm grafting of the polymer on the solid surface. The amount of grafted polymer was evaluated by thermogravimetric analysis. Modified particles were incorporated into HTPB/TDI compounds at concentrations as high as 25% w/w. Water absorption, thermorheological as well as mechanical properties all show clear contribution of the improved bonding between the solid phase and the binder. POLYM. ENG. SCI. 46:360–371, 2006. © 2006 Society of Plastics Engineers

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 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 score0.011
Threshold uncertainty score0.540

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 head0.005
GPT teacher head0.190
Teacher spread0.185 · 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