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Aqueous polyurethanes - polymer colloids with unusual colloidal, morphological, and application characteristics / R. Satguru in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 66, N° 830 (03/1994)
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Titre : Aqueous polyurethanes - polymer colloids with unusual colloidal, morphological, and application characteristics Type de document : texte imprimé Auteurs : R. Satguru, Auteur ; J. McMahon, Auteur ; J. C. Padget, Auteur ; R. G. Coogan, Auteur Année de publication : 1994 Article en page(s) : p. 47-55 Note générale : Bibliogr. Langues : Américain (ame) Tags : 'Peinture eau' Liant 'Uréthanne polymère' 'Dispersion colloïdale' Granularité Morphologie 'Formation film' Feuil 'Propriété mécanique' Dureté Index. décimale : 667.9 Revêtements et enduits Résumé : Aqueous polyurethane dispersions are becoming an increasingly important class of materials in the surface coatings industry. Because of the synthetic procedure employed in the preparation of aqueous polyurethanes, they differ significantly from typical emulsion polymers in terms of colloid stability characteristics and particle morphology. Fluorescence spectroscopy and small angle neutron scattering techniques demonstrated that the particles in a polyurethane dispersion are swollen with water. The consequences of this morphology in terms of the ability to combine low film forming temperature with good film hardness is discussed. The particle size distribution of aqueous polyurethanes was found to be broader than that of typical emulsion polymers. Results are presented which demonstrate how control over average particle size and colloid stability can be achieved in aqueous polyurethanes. Note de contenu : - INTRODUCTION : Polyurethane dispersions
- RESULTS AND DISCUSSION : Cooloidal porperties-particle size distribution - Colloid stability - Particle size control - Particle morphology - Film formation and film hardnessPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18608
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 66, N° 830 (03/1994) . - p. 47-55[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 003464 - Périodique Bibliothèque principale Documentaires Disponible 003477 - Périodique Bibliothèque principale Documentaires Exclu du prêt Novel and environmentally-friendly urethane/acrylic hybrid dispersions / R. Satguru in SURFACE COATINGS INTERNATIONAL, Vol. 90, 1 (01/2007)
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Titre : Novel and environmentally-friendly urethane/acrylic hybrid dispersions Type de document : texte imprimé Auteurs : R. Satguru, Auteur ; M. Roelands, Auteur ; P. L. Jansse, Auteur Année de publication : 2007 Article en page(s) : p. 32-35 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Copolymère uréthane acrylique
Polyacryliques
Polymères en émulsion
Revêtements en phase aqueuse:Peinture en phase aqueuseIndex. décimale : 667.9 Revêtements et enduits Résumé : Polyurethane dispersions (PUDs) are a unique class of water-borne polymer colloids which offer many advantages to the surface coating industry. They are usually produced through the interaction of a polyfunctional isocyanate with a polyfunctional isocyanate with a polyfunctionnal chemical compound containing an active hydrogen in its structure. Note de contenu : - PUD PRODUCTION ROUTES : Hybrid systems allow optimum cost/performance balance
- ATTRIBUTES OF URETHAND/ACRYLIC HYBRIDS : Environmental friendliness - Low VOC systems
- PROPERTY BALANCESEn ligne : https://drive.google.com/file/d/1U4LmI2UriYYGPFhDe1n7QSCzO9xy3MQA/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16167
in SURFACE COATINGS INTERNATIONAL > Vol. 90, 1 (01/2007) . - p. 32-35[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 006223 - Périodique Bibliothèque principale Documentaires Disponible 008958 - Périodique Bibliothèque principale Documentaires Disponible Waterborne acrylic barrier coatings / Stephen G. Yeates in EUROPEAN COATINGS JOURNAL (ECJ), N° 5/96 (05/1996)
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Titre : Waterborne acrylic barrier coatings Type de document : texte imprimé Auteurs : Stephen G. Yeates, Auteur ; H. Passier, Auteur ; R. Satguru, Auteur ; J. Farrar, Auteur Année de publication : 1996 Article en page(s) : p. 294-298 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Environmental considerations are clearly influencing current decision making concerning barrier technology and will continue to do so in the future. Concerns around recyclability, energy conservation and air-pollution are leading to a reassessment of available barrier technologies. Against this background Zeneca Resins have been actively researching the area of moisture/water barrier coatings, which has led to the launch of a range of water based acrylic barrier coating resins (NeoCryl). This paper describes some of the fundamental work undertaken in understanding the mechanism of liquid-water and moisture vapour diffusion through an acrylic based coating. Some of the design parameters involved in developing hydrophobic acrylic copolymers are discussed, as well as the role crystalline-wax modification has to play. Wax modification is described in terms of a simple stratification model and results from Atomic Force Microscopy (AFM) and Dynamic Contact Angle Analysis (DCAA) are presented. Note de contenu : - Overview
- Aspects of the permeation of water in a polymer matrix
- Sorption
- Diffusion
- Approaches to water/moisture barrier
- Waterborne barrier coatings
- Moisture barrier
- Surface topography
- Surface compositionPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11290
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 5/96 (05/1996) . - p. 294-298[article]Réservation
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