Influence of Various Pulp Properties on the Adhesion Between Tissue Paper and Yankee Cylinder Surface

Jonna Boudreau, Ulf Germgård

Abstract


The strength of the adhesion between the paper and the drying Yankee cylinder is of great importance with respect to the final properties of a tissue paper product. Therefore, the effects of a few potentially important pulp properties have been evaluated in laboratory experiments. Four highly different kraft pulps were used, and the adhesion strength was measured by means of the force required when scraping off a paper from a metal surface with a specifically designed knife mounted on a moving cart. The adhesion strength was observed to increase with increasing grammage and increasing degree of beating of the pulp. It was also found that pulps containing more fines, or with higher hemicellulose content, gave rise to higher adhesion strength.

Keywords


Adhesion beating; Creping force; Fines; Hemicellulose; Tissue paper

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