Micro-ordered periodical modification of glass composition by a staining combined with inkjet printing

概要

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Silver ions were incorporated into a soda-lime silicate glass substrate by applying 3M AgNO_3-0.1M polyethylene glycol (PEG) mixed aqueous solution on the glass and heating it at 300℃ for 12h. The glass substrate was colorless after the heat-treatment although the refractive index at the glass surface increased by 0.04. The glass was colored red-brown by the further heat-treatment at 550℃. The energy dispersive X-ray microanalyzer revealed that the silver migrated to around 20μm in depth. These facts indicate that the AgNO_3 solution works as a "stain". Since the viscosity of the AgNO_3-PEG solution was less than 2mPa・s, it could be deposited on a glass substrate by the inkjet technique. Dot arrays were formed on the glass substrate by the inkjet deposition. The dots had around 100μm-diameter kept clear circles and aligned with a hundreds-micrometer frequency. The silver ions were incorporated into the dot areas of the glass surface by the heat-treatment. Then, we demonstrated that a micro-ordered periodical modification in the glass composition was easily formed by the staining using the AgNO_3 aqueous solution combined with the inkjet technique.
社団法人日本セラミックス協会の論文
2009-02-01