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Record W2070161312 · doi:10.1002/mren.201100063

Catalytic Chain Transfer in Continuous Emulsion Polymerization

2011· article· en· W2070161312 on OpenAlexaff
Niels M. B. Smeets, Tom G. T. Jansen, Johan P. A. Heuts, Alex M. van Herk, Jan Meuldijk

Bibliographic record

VenueMacromolecular Reaction Engineering · 2011
Typearticle
Languageen
FieldChemistry
TopicAdvanced Polymer Synthesis and Characterization
Canadian institutionsQueen's University
Fundersnot available
KeywordsChain transferPolymerizationEmulsion polymerizationPolymer chemistryEmulsionMolar mass distributionCatalytic chain transferPolymerChemistryChemical engineeringMaterials scienceRadical polymerizationOrganic chemistry

Abstract

fetched live from OpenAlex

Abstract It is demonstrated that CCT‐mediated emulsion polymerization can successfully be carried out in a PSPC. Proper molecular weight control is achieved with only minor quantities of a cobalt(II) complex, illustrating the robustness and scalability of CCT. Despite the successful implementation of CCT in the PSPC, differences in the course of the polymerization and the final latex properties (in terms of the PSD/MWD) for batchwise and PSPC operation are observed. Backmixing occurs to some extend in the PSPC, which increases the steady state CCTA concentration in the column. Consequently, a higher chain transfer activity is observed than expected based on the corresponding batch experiments, which affects the course of the polymerization and the final latex properties. magnified image

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 score0.110
Threshold uncertainty score0.772

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 head0.008
GPT teacher head0.182
Teacher spread0.175 · 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

Citations1
Published2011
Admission routes1
Has abstractyes

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