Inorganic fillers modified with vinyl alcohol polymer and...

Details Inorganic fillers modified with vinyl alcohol polymer and... Inorganic fillers modified with vinyl alcohol polymer and...

C - Chemistry, Metallurgy

09

C

9/55, 117/46.1

C09C 3/10 (2006.01) C08K 9/08 (2006.01) D21H 17/69 (2006.01)

Patent

CA 1227974

TITLE INORGANIC FILLERS MODIFIED WITH VINYL ALCOHOL POLYMER AND CATIONIC MELAMINE-FORMALDEHYDE RESIN ABSTRACT OF THE DISCLOSURE Modified fillers prepared by contacting inert, particulate, mineral fillers with aqueous solution of vinyl alcohol polymer and aqueous colloidal dispersion of cationic melamine-formaldehyde resin to obtain a filler having adsorbed thereon from about 0.1 to about 3 percent, based on dry filler weight, of each of vinyl alcohol polymer and cationic melamine-formaldehyde resin are provided. Such modified fillers are useful in papermaking.

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