METHOD FOR MANUFACTURING MULTI-PLY PAPER

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing multi-ply paper having high interlayer adhesive strength.

SOLUTION: A method for manufacturing multi-ply paper at least comprises: a step A of forming a wet paper layer by making a paper stuff including a pulp and water; a step B of applying or spraying an aqueous dispersion including cellulose nanofiber with a fiber diameter of 50 nm or less onto the wet paper layer obtained in the step A; and a step C of forming another wet paper layer on a surface of the wet paper layer onto which the aqueous dispersion has been applied or sprayed in the step B.

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