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The process to achieve a decoration on a coating of polytetrafluoroethylene and utensilio culinario comprising an anti adherent coating on the basis of the PTFE
The process to achieve a decoration on a coating of polytetrafluoroethylene and utensilio culinario comprising an anti adherent coating on the basis of the PTFE
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机译:在聚四氟乙烯和厨具涂层上实现装饰的方法,该方法包括基于PTFE的防粘涂层
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摘要
A method for forming a decoration on a coating of polytetrafluoroethylene (PTFE) applied on a metallic substrate as applicable in particular to internal and/or external decoration of culinary utensils, and comprising the following steps: forming an anti-adhesive layer of a composition based on an aqueous dispersion of PTFE, which may or may not be colored, on the metallic substrate, after drying and prior to sintering of the anti-adhesive layer, applying on this layer through a serigraphic screen a colored composition containing an aqueous dispersion or a powder of fluorocarbon resin to which are added a thickening and/or gelling agent and a solvent which is miscible with water and has a vapor pressure below that of water after drying, baking the two layers thus obtained simultaneously in order to sinter all the particles of PTFE and of fluorocarbon resin.
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