Newspaper production method and newsprint

摘要

PPROBLEM TO BE SOLVED: To provide a method for producing newsprint paper having high opacity after printing with high loading of a filler, and readily regulated in whiteness and hue, and to provide the newsprint paper. PSOLUTION: The method for producing the newsprint paper having a whiteness of 50-65% includes coating base paper formed by internally adding the filler to paper stock with a surface treating agent, and carrying out drying, wherein the filler to be a main constituent is colored to 60-85% whiteness. Furthermore, the newsprint paper is provided. In addition, the filler is preferably colored with a colorant for increasing the hue b* of the filler according to JISZ8729, in particular, the filler is preferably calcium carbonate. The filler is preferably colored with iron(III) chloride, and is preferably internally added to the paper stock. PCOPYRIGHT: (C)2010,JPO&INPIT