Occasionally, Maki-e artworks are polished to restore the original gloss of the sulfurized silver powder. Silver powder tarnishes with age because of the reaction with atmospheric sulfur, while gold powder is less reactive, thus more stable in time. The metals commonly employed for the production of Maki-e powders include gold, silver, gold-silver alloys, copper, and tin. However, the details of the shapes have never been fully characterized. In fact, even if the name of the powder produced by the two companies is the same, the shapes of the powder particles are different. Artists claim that the appearance of a Maki-e is different if it is drawn using the same kind of powder from the two different companies. In 2014, only two companies manufacture metal powders for Maki-e. However, to the best of our knowledge, metal powders that are presently used in Maki-e have never been investigated. There are also some studies regarding the techniques and powders used in the past in Japan. There are, however, a few investigations that focus on the conservation of Maki-e works and the Maki-e technique these studies did not use real materials though. Only the names of notable artists and their works appear on studies that report on artwork and its collection. While several studies concerning Urushi have been conducted all over the world -, very few focused on Maki-e. It is a decorative technique that was developed originally in Japan however, other Southeast Asian countries, such as Korea and China, also have similar style and techniques for lacquer craft. Maki-e is a drawing technique that uses the natural lacquer Urushi and metal powders. Lacquer craft is a typical traditional craft of Japan. Urushi, Natural Lacquer, Maki-e, Silver Powder, Energy-Dispersive X-Ray Spectroscopy It was shown that sulfuration on powder surface can be removed by polishing irrespective of the shape and chemical composition ratio of the particles. Wakou silver has a very strong resistance to sulfuration however, owing to its Pd content, its chroma is much lower than that of other powders. ![]() 1) manufactured by the two companies are different and it affects the occupancy rate of Urushi and powder, which in turn affects their gloss and color. ![]() The study revealed that the shapes of the silver powders (Maru-fun, No. In addition, to verify the effect of polishing, residual gloss after sulfuration and polishing was measured. Gloss and color of each silver powder were measured after Maki-e decoration was finished, and EDS (en- ergy-dispersive X-ray spectroscopy) was used to determine the differences in their chemical composition. In 2014, there exist only two companies that manufacture silver powder for the purpose of Maki-e, and this study focuses on comparing the powders manufactured by them. Maki-e is a traditional Japanese decorative technique that uses the natural lacquer Urushi and metal powders. Received 27 October 2014 revised 20 November 2014 accepted 10 December 2014 This work is licensed under the Creative Commons Attribution International License (CC BY). 1Department of Advanced Fibro-Science, Kyoto Institute of Technology, Kyoto, JapanĢFuture Applied Conventional Technology Center, Kyoto Institute of Technology, Kyoto, JapanĮmail: * © 2015 by authors and Scientific Research Publishing Inc.
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