Influence of crosslink density, glass transition temperature and addition of pigment and wax on the scratch resistance of an epoxy coating / Jacob Lange in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 872 (09/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 872 (09/1997) . - p. 77-82 Titre : Influence of crosslink density, glass transition temperature and addition of pigment and wax on the scratch resistance of an epoxy coating Type de document : texte imprimé Auteurs : Jacob Lange, Auteur ; Alexandre Luisier, Auteur ; Anders Hult, Auteur Année de publication : 1997 Article en page(s) : p. 77-82 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Cires Couches minces Epoxydes Pigments Polymères réticulés Résistance à l'abrasion Réticulation (polymérisation) Revêtements Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Transition vitreuse Index. décimale : 667.9 Revêtements et enduits Résumé : The scratch resistance of a series of cationically cured epoxy coatings with varying crosslink densities has been investigated using five different scratch tests. The tests simulate a variety of scratch modes, ranging from single scratches to repeated surface wear. The relative influences of crosslink density and glass transition temperature (Tg) on scratch resistance, as well as the effects of adding pigment and wax to the coatings, were examined. The results show the scratch resistance to increase both with increasing crosslink density and increasing Tg in all tests. It is also shown that adding pigment or wax either increased or decreased the scratch resistance of the coating, depending on which type of scratching was performed. Note de contenu : - Tests on neat coatings - Influence of pigment and wax Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18283 [article]

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