High-quality/high-definition screen printing ink composition for glass substrate, printed product obtained by screen printing said ink composition, and manufacturing method for said printed product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 30, 2018
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Jan 26, 2016
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Jan 27, 2015
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An ink composition for screen printing for a glass substrate includes a solvent with a boiling point at least 170° C. at least at 70 mass % of the total solvent and a prepolymer or polymer with a weight-average molecular weight of at least 2000 at least at 2 mass % with respect to total ink composition, and with a viscosity of 5 to 180 Pa·s measured with a BH-type rotating viscosimeter at 25° C. and thixotropic index (TI value) of 2.0 to 8.0, the measured flow radius value being 13.0 to 24.0 mm after 1 minute from start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000, satisfying “F60”−“F45”≦1.0 mm, where “F60” and “F45” are measured flow radius values after 1 minute and 45 seconds, respectively, from start of measurement, and containing a coupling agent compound.
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