Improving the scratch resistance of sol–gel metal oxide coatings cured at 250 °C through use of thermogenerated amines
作者： J. Langanke , N. Arfsten , P. Buskens , R. Habets , J. Klankermayer
DOI: 10.1007/S10971-013-3077-7
关键词: Chemical engineering 、 Coating 、 Scratch 、 Catalysis 、 Materials science 、 Polymer chemistry 、 Sol-gel 、 Oxide 、 Curing (chemistry) 、 Metal 、 Materials Chemistry 、 Electronic, Optical and Magnetic Materials 、 General chemistry 、 Condensed matter physics 、 Biomaterials 、 Ceramics and Composites
摘要: Scratch resistant sol–gel metal oxide coatings typically require a thermal post-treatment step (curing process) at temperatures between 400 and 700 °C. In this report, we demonstrate that the in situ generation of amines within films facilitates preparation scratch curing temperature 250 °C. A selected series carbamates was added to formulations included resulting xerogel films. During process, decomposed liberate primary amines. These catalysed finally leading low cure temperature.
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