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Record W4250890984 · doi:10.1520/mnl12198m

Solvents

2012· book-chapter· en· W4250890984 on OpenAlexaff
Stephen A. Yuhas, Rey G. Montemayor

Bibliographic record

Venuenot available
Typebook-chapter
Languageen
FieldEnvironmental Science
TopicChemistry and Chemical Engineering
Canadian institutionsImperial Oil (Canada)
Fundersnot available
KeywordsMaterials science

Abstract

fetched live from OpenAlex

SOLVENTS ARE SUBSTANCES, USUALLY LIQUIDS, which are capable of dissolving other substances to bring them into liquid form. In the paint and coating industry, solvents dissolve the solid or semisolid film-forming resins and reduce viscosity so that the paint can be applied as a uniform, thin film to a surface. Although solvents are transient components of a paint, they significantly affect not only the application characteristics of a paint, but also the appearance, physical properties, and durability of the coating. The two most important performance requirements that must be considered in selecting the proper solvent for any coating end use are solvency and evaporation rate. These key properties control initial paint viscosity during application, coating viscosity at various stages of drying, and final coating appearance. Solvents must evaporate relatively quickly during initial drying to prevent excessive flow and sag, but they must evaporate more slowly in the later stages to provide good leveling and adhesion. Solvency and evaporation rate are often measured indirectly since direct measurements are not always feasible or convenient. In addition, there are numerous other solvent properties that must be considered for specific applications. These are often listed as requirements in the solvent specifications and include measures of purity, uniformity, safety, and compliance with air pollution regulations. There are many different solvents used by the coatings industry. To facilitate their review and comparison, it is convenient to classify them chemically into three general categories: Hydrocarbon solvents, oxygenated solvents, and other solvents. Each category will be discussed separately in the sections that follow. Solvents may also be classified according to the function they perform: Active, latent, and diluent. An active solvent is a true solvent for the film-forming resin and has the major role in dissolving it. A latent solvent alone will not dissolve the resin, but behaves as an active solvent or has a synergistic effect when used in conjunction with an active solvent. A diluent usually has no solvency for the resin, but is tolerated by it in blends. Diluents are added to reduce cost and vehicle viscosity through dilution.

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 categoriesInsufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.653
Threshold uncertainty score0.996

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)0.1160.005

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 head0.170
Teacher spread0.162 · 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; both teacher heads agree on what is shown here.

Study designNot applicable
Domainnot available
GenreOther

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

Citations0
Published2012
Admission routes1
Has abstractyes

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