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Practical implications of solvent entrapment in ambient coatings
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SYSNO ASEP 0101303 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Practical implications of solvent entrapment in ambient coatings Title Zádrž rozpouštědel při vytvrzování laků za pokojových teplot – praktické důsledky Author(s) Lewin, L. A. (US)
Douglas, C. B. (US)
Dušek, Karel (UMCH-V) RID, ORCID
Dušková-Smrčková, Miroslava (UMCH-V) RID, ORCID
Vlasák, P. (CZ)Source Title Congress Proceedings. - Paris : French Association of Technicians of Paints, Varnishes, Inks and Adhesives, 2004 Pages s. 531-544 Number of pages 14 s. Action FATIPEC Congress /27./ Event date 19.04.2004-21.04.2004 VEvent location Aix-en-Provence Country FR - France Event type WRD Language eng - English Country FR - France Keywords clear coats ; solvent retention ; acrylic Subject RIV CD - Macromolecular Chemistry R&D Projects GA104/03/1378 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z4050913 - UMCH-V Annotation In USA, refinish automotive coatings are mostly applied at ambient conditions. Productivity of the overall repair job is of great importance. The productivity depends on many factors. These include: time between coats, time before sanding, and time before car can be reassembled and delivered. The demands for productivity are rising while VOC laws are becoming stricter. Now coatings must rely on low molecular weight materials, which require reactive cure. Unfortunately, increasing the cure via addition of catalysts causes an increase in the amount of solvent retained in the film. This lowers the Tg of the film and increases the time to sand. The interactions of solvent retention and cure will be discussed. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2005
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