IMPROVING THE QUALITY OF COATED PAPER

摘要

There is disclosed a method for improving the ease of application of a final inorganic pigment-containing coating to a cellulosic sheet material which has been coated with at least one preliminary inorganic pigmentcontaining coating. The method comprises incorporating into the preliminary coating or into at least one of the preliminary coatings, up to 2% by weight, based upon the weight of the inorganic pigment, of a sizing reagent, such as an alkyl ketene dimer. A composition for use in the method is also disclosed.