Manufacturing method of coated paper having excellent printability for inkjet printing

摘要

The present invention comprises the steps of preparing a silica sol comprising silica particles, adjusting the pH of the silica sol to 3.5 to 6.0 by adding an organic acid to the silica sol, and a silane coupler to the silica sol to which the organic acid is added Adding and stirring a ring agent to surface-modify the silica particles contained in the silica sol, and adding a dispersant, a binder, and a thickener to the surface-modified silica sol and stirring to form a coating solution, and the coating solution on a base paper. It relates to a method of manufacturing a coated paper comprising the step of coating and drying the coating liquid and coated with the coating liquid to form a coated paper with a coating layer on the base paper. According to the present invention, when ink for inkjet printing is ejected, the area and roundness of the halftone dot are small, and the ink absorption is improved, so that the printability can be improved.