Pitch control composition based on blend of derivatized...

Details Pitch control composition based on blend of derivatized... Pitch control composition based on blend of derivatized...

D - Textiles, Paper

21

H

D21H 21/02 (2006.01) C08L 5/14 (2006.01) D21C 9/08 (2006.01)

Patent

CA 2261710

This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a derivatized cationic guar, and (2) styrene maleic anhydride copolymer. The invention also relates to a process for inhibiting pitch deposition in pulp and papermaking systems and on papermaking equipment.

L'invention concerne une composition liquide permettant de limiter le dépôt de poix dans la fabrication de la pulpe et du papier, qui comprend une solution aqueuse constituée (1) d'un guar cationique dérivé, et (2) d'un copolymère styrène anhydride maléique. L'invention concerne également un procédé permettant d'empêcher le dépôt de poix dans les systèmes de fabrication de la pulpe et du papier, ainsi que sur le matériel de fabrication du papier.

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