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Evaluation of alkane sulfonic acid catalysts and derivatives for curing activity in a melamine/acrylic polyol coating formulation using Fourier transform infrared spectroscopy / Dana Garcia in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 72, N° 908 (09/2000)
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Titre : Evaluation of alkane sulfonic acid catalysts and derivatives for curing activity in a melamine/acrylic polyol coating formulation using Fourier transform infrared spectroscopy Type de document : texte imprimé Auteurs : Dana Garcia, Auteur ; Stanley I. Sandler, Auteur ; Joseph Brennan, Auteur ; Olivier Bousquet, Auteur Année de publication : 2000 Article en page(s) : p. 89-93 Note générale : Bibliogr. Langues : Américain (ame) Tags : Matériau revêtement Peinture Mélamine résine Acrylique dérivé polymère Durcissement Réticulation Acide alcanesulfonique Spectrométrie IR Transformation Fourier Etude expérimentale Index. décimale : 667.9 Revêtements et enduits Résumé : FTIR measurements may be able to replace more laborious physical property determinations and thus serve as an efficient screening methodology in catalysis driven processes. This possibility was considered in evaluating alkane sulfonic acids catalyst performance to promote the cure of a melamine resin with acrylic polyols. The example chosen here is an evaluation of alkane sulfonic acid derivatives to measure catalytic efficiency of the cure reaction between hexamethoxymethylmelamine (HMMM) and an acrylic polyol. The IR measurements provided information on the extent of reaction, via monitoring the disappearance of the OH stretching mode at 3472 cm-1 associated with the acrylic polyol. This method may also be used to provide detailed information on reaction kinetics and insight into the cure mechanism. As the reaction proceeds, the coating's properties change and IR measurements can serve as a probe for these changes. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5791
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