Development of Metal Decoration Technology Using On-demand Thermal Transfer Printing

Le résumé fourni par la source

In recent years, in-car decorative elements have been developed with an eye towards autonomous driving, emphasizing comfort and coziness as key concepts. This includes a desire for interior materials to be more genuine, such as wood grain and metallic finishes, as well as designs that eliminate protruding switches in favor of seamlessness. Additionally, lighting systems like LEDs (light-emitting diodes) have been introduced, leading to a demand for more luxurious interiors. However, authentic materials are expensive and pose challenges for weight reduction and compatibility with static panels, leading to a search for alternative materials. While conventional decorative finishes typically use plating, which has a significant environmental impact, there is active development of alternative methods. One such alternative to plating is melt thermal transfer printing, which allows for high-gloss, luxurious printing with metallic inks, and can be combined with lighting systems for enhanced effects. Furthermore, there is the potential for non-conductive printing, which can be integrated with millimeter-wave or electrostatic sensors. Additionally, limitations on printing size that have been problematic in the past are now being addressed. This paper introduces the features of our on-demand metallic decorative printing using this melt thermal transfer printing technology.

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