Procedure for the production of paper or Paperboard, which comprises: (a) Adding to an aqueous suspension of Cellulosic Fibres an Anionic Compound Soluble in waterThat is adsorbed on the surface of Fibers, and (b) add a cationic Additive.

摘要

Method for producing paper or cardboard which comprises Adding to an aqueous suspension of Cellulosic Fibres an Anionic Compound Soluble in waterThat is adsorbed on the surface of the Fibers increases the negative Surface charge of them recorded by Zeta potential Measurements and then adding cationic Additive.