Aqueous systems containing additive pre-mixes and processes...

Details Aqueous systems containing additive pre-mixes and processes... Aqueous systems containing additive pre-mixes and processes...

C - Chemistry, Metallurgy

08

J

C08J 5/10 (2006.01)

Patent

CA 2519407

The present invention relates to an additive for pigmented aqueous systems comprising a mixture of a cationic polymer and a high surface area anionic inorganic particle, methods for making and using the additive, methods of forming an aqueous paper coating color as well as cellulose matrix coated therewith; and a process for preparing stabilized pre-mixes.

L'invention concerne un additif pour des systèmes aqueux pigmentés qui contient un mélange d'un polymère cationique ainsi qu'une particule inorganique anionique à surface active importante. Par ailleurs, l'invention concerne des procédés de préparation et d'utilisation de cet additif, des procédés de préparation d'une sauce de couchage du papier aqueuse ainsi qu'une matrice cellulosique recouverte de cette sauce. L'invention concerne enfin un procédé de préparation de prémélanges stabilisés.

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