Eco-Friendly Manufacturing Method of colored paper

摘要

The present invention relates to a method for manufacturing eco-friendly colored paper, (1) a preparation step of manufacturing a film of amipan having halftone dots with 135 to 175 lines and a solid color of 60% to 80%, (2) the above (1) An oil-based ink film forming step of applying a natural oil-based pigment on paper using the film prepared in the above step, and (3) an aqueous ink film-forming step of applying a natural water-based pigment on the oil-based ink film formed by the above (2) step. and (4) drying by irradiating infrared rays on the paper on which the oil-based and water-based ink films are formed by the steps (2) (3). It is possible to manufacture colored paper or colored paper that is used for a long time as a work activity into colored paper that is harmless to the human body and does not cause environmental pollution.