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Record W2094885170 · doi:10.1021/la035263w

Water-Dispersible Tetrablock Copolymer Synthesis, Aggregation, Nanotube Preparation, and Impregnation

2003· article· en· W2094885170 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.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueLangmuir · 2003
Typearticle
Languageen
FieldMaterials Science
TopicBlock Copolymer Self-Assembly
Canadian institutionsUniversity of Calgary
FundersEgg Farmers of Canada
KeywordsMethacrylateCopolymerPolymer chemistryAcrylateMaterials scienceChemical engineeringPolymerChemistryComposite material

Abstract

fetched live from OpenAlex

A tetrablock copolymer polyisoprene- block -poly( tert -butyl acrylate)- block -poly[(2-cinnamoyloxyethyl methacrylate)- ran -(2-hydroxyethyl methacrylate)]- block -poly(solketal methacrylate), or PI- b -P t BA- b -P(CEMA- r -HEMA)- b -PSMA, was synthesized and characterized. After PSMA hydrolysis to poly(glyceryl methacrylate), or PGMA, the tetrablock formed cylindrical aggregates in water with a PGMA corona and an insoluble part consisting of PI and P(CEMA- r -PHEMA) core−shell cylinders that sandwich a P t BA thin layer. Water-dispersible nanotubes were obtained after the cross-linking of the P(CEMA- r -HEMA) layer and cleavage of the PI cores with ozone. Both nanotubes containing some ozonized PI fragments and the cross-linked PI- b -P t BA- b -P(CEMA- r -HEMA)- b -PGMA cylindrical aggregates sorbed Pd 2+ from dimethylformamide as a result of the π-allyl complex formation between Pd 2+ and the PI double bonds. The sorbed Pd 2+ was reduced to Pd nanoparticles, and the particles were made to overlap by catalyzing further Pd deposition on them in an electroless Pd plating bath. These polymer/metal hybrid nanofibers with conductive cores may be useful as nanocables or as a catalyst for reagents that can permeate the P(CEMA- r -PHEMA) layer.

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 score0.007
Threshold uncertainty score0.851

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)0.0010.000

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 head0.008
GPT teacher head0.229
Teacher spread0.221 · 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