High hlb non-ionic surfactants for use as deposition control...

Details High hlb non-ionic surfactants for use as deposition control... High hlb non-ionic surfactants for use as deposition control...

D - Textiles, Paper

21

C

D21C 9/08 (2006.01) D21H 21/02 (2006.01)

Patent

CA 2536248

Methods are provided for inhibiting and removing contaminants deposited on paperrnaking parts in papermaking operations, particularly pitch derived from sources of virgin pulp and other contaminants having hydrophobic surfaces, using non-ionic high HLB surfactants.

L'invention concerne des méthodes pour inhiber et pour supprimer des contaminants déposés sur des pièces de fabrication de papier, dans des opérations de fabrication de papier, en particulier de la poix dérivée de sources de pâte à papier vierge, et d'autres contaminants présentant des surfaces hydrophobes. Ces méthodes font appel à des surfactants non ioniques présentant un rapport hydrophile/lipophile (HLB) élevé.

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