Titanium dioxide particles, their use as opacifying pigments for papers and paper laminates

Titanium dioxide particles characterized in that they contain at least one cationic polymer adsorbed at its surface and an isoelectric point (IEP) preferably of at least 5.5. Paper containing an opacifying pigment consisting of at least one of the said particles. Paper-based laminate containing an o...

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Bibliographische Detailangaben
Hauptverfasser:	GERARD, BERNARD, MAZZACAVALO, ANNY, LORANG, REMY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES IMPREGNATING OR COATING OF PAPER METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES PREPARATION OF CARBON BLACK PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	Titanium dioxide particles characterized in that they contain at least one cationic polymer adsorbed at its surface and an isoelectric point (IEP) preferably of at least 5.5. Paper containing an opacifying pigment consisting of at least one of the said particles. Paper-based laminate containing an opacifying pigment consisting of at least one of the said particles. Use of the said particles as opacifying pigments for papers and for paper-based laminates. Particules de dioxyde de titane caractérisées en ce qu'elles contiennent au moins un polymère cationique adsorbé à sa surface et un point isoélectrique (PIE) de préférence d'au moins 5,5. Papier contenant un pigment opacifiant constitué par au moins une desdites particules. Lamifié à base de papier contenant un pigment opacifiant constitué par au moins une desdites particules. Utilisation desdites particules comme pigments opacifiants pour papiers et pour lamifiés à base de papier.