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Applied approach to film formation / James W. Taylor in EUROPEAN COATINGS JOURNAL (ECJ), N° 6/02 (06/2002)
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Titre : Applied approach to film formation : The glass transition temperature evolution of plasticized latex films Type de document : texte imprimé Auteurs : James W. Taylor, Auteur ; Thimoty D. Klots, Auteur Année de publication : 2002 Article en page(s) : p. 38-54 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : In this work important parameters such as the glass transition temperature of filming aids and polymers, the volatility of filming aids in the presence of water and polymeric particles, the distribution coefficients of filming aids, and the Fox-Flory equation are used to predict the MFT of latex particles at deformation. A new experimental method that obtains the activity coefficients of filming aids during the drying process of latex films is demonstrated. Additionally, the clear film composition is modeled for the ensuing volatility-controlled stage that defines the time line where solvent evaporation is not diffusion controlled. The ability of the model to predict or follow the Tg of a drying system is demonstrated. The model presented can assist In the selection of filming aids for waterborne latex-based formulations and can provide important criteria for optimizing particle composition and morphology. Note de contenu : - Understanding the case for a non-volatile filming aid
- Modeling of wet-stage for volatile solvent case
- Soolving equation (4) for t
- Activity coefficient determination
- Corrections for temperature and air velocity effects
- Comparative studies of experimental and calculated data
- Solvent evaporation fron filmsEn ligne : https://drive.google.com/file/d/11pFiXD7Jl1ICrZC2oj2exNGEGdjajw0M/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10735
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 6/02 (06/2002) . - p. 38-54[article]Réservation
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