Paper/paper laminate-opacifying TiO2 particulates

Unique titanium dioxide (TiO2) particulates have an especially high physicochemical affinity for cellulosic fibers and, thus, are well suited as opacifying pigments for paper and paper laminates, and include a zeta potential-adjusting amount of at least one cationic polymer, e.g., a polymer of a qua...

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Bibliographische Detailangaben
Hauptverfasser: GERARD, BERNARD, MAZZACAVALLO, ANNY, LORANG, REMY
Format: Patent
Sprache:eng
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Zusammenfassung:Unique titanium dioxide (TiO2) particulates have an especially high physicochemical affinity for cellulosic fibers and, thus, are well suited as opacifying pigments for paper and paper laminates, and include a zeta potential-adjusting amount of at least one cationic polymer, e.g., a polymer of a quaternary ammonium, sulfonium or phosphonium salt or a copolymer of acrylamide with a cationic comonomer, fixed to the face surfaces thereof.