Process for sizing paper

Details Process for sizing paper Process for sizing paper

2008-01-15

2008-01-15

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Processes and products

Non-fiber additive

C162S164100, C162S164500, C162S164600, C162S168100, C162S168200, C162S168300, C162S183000

Reexamination Certificate

active

10842866

ABSTRACT:
A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, a sizing dispersion comprising a polymer having an aromatic group, and a sizing promoter comprising a polymer having an aromatic group, wherein the sizing dispersion and the sizing promoter are added separately to the aqueous suspension.

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