Sizing pulp

Details Sizing pulp Sizing pulp

D - Textiles, Paper

21

H

9/47

D21H 21/18 (2006.01) B65D 85/80 (2006.01) D21H 17/17 (2006.01) D21H 17/62 (2006.01) D21H 27/10 (2006.01) D21H 23/10 (2006.01)

Patent

CA 1304542

SIZING PULP Abstract of the Disclosure In a process for increasing the resistance of the cut edges of liquid-packaging board to penetration by hot hydrogen peroxide, an emulsion of an alkyl ketene dimer size, a cationic rosin size, and an insolubilizing agent, are used by adding both sizes and the insolubilizing agent either separately or in preblended form to an aqueous pulp slurry at a neutral to alkaline pH in a machine for producing the liquid-packaging board, before the board is sterilized with a hot aqueous solution of hydrogen peroxide.

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