METHOD FOR MANUFACTURING PRINTED STEEL PLATE HAVING EXCELLENT SURFACE QUALITY USING INKJET PRINTING AND PRINTED STEEL PLATE MANUFACTURED THEREBY

摘要

The present invention relates to a method for manufacturing a printed steel plate having excellent surface quality using inkjet printing and a printed steel plate manufactured thereby and, more particularly, to a method for manufacturing a printed steel plate and a printed steel plate manufactured thereby, the method comprising a step of forming a printed layer by spraying a coating composition to a steel plate using at least one inkjet head, wherein the coating composition sprayed through the inkjet head satisfies a specific temperature condition and a specific volume condition, and the inkjet head sprays the coating composition onto the steel plate while being spaced from the steel plate by a predetermined height.