Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of papers containing fillers
AssigneeBASF SE
InventorsJoerg Nieberle, Anton Esser
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Abstract
An aqueous slurry of finely divided fillers which are at least partly coated with anionic latices, wherein the slurry is obtainable by treating an aqueous slurry of finely divided fillers with an aqueous dispersion comprising at least one anionic latex and at least one degraded starch, preparation of the aqueous slurries and their use as an additive to the paper stock in the production of filler-containing paper, filler-containing cardboard or filler-containing board by draining the paper stock.
Claims17
An aqueous slurry of finely divided fillers which are at least partly coated with anionic latices, wherein the slurry is obtained by a process comprising treating an aqueous slurry of finely divided fillers with an aqueous dispersion comprising at least one anionic latex and at least one degraded starch,
- wherein said at least one anionic latex comprises at least one monomer comprising phosphoric acid groups incorporated in the form of polymerized units.
Dependencies are inferred from the claim text.