HEAT TREATED KAOLIN PIGMENT WITH A GE BRIGHTNESS OF AT LEAST 92 FOR PAPER AND COATINGS

• Main Authors: MATHUR, SHARAD, BERUBE, RICHARD, KHOKHANI, ASHOK, LAKE, ANTHONY N, YILDIRIM, ISMAIL
• Format: Patent
• Language: English; French
• Published: 14.09.2017
• Subjects: ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; IMPREGNATING OR COATING OF PAPER; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; 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; THEIR PREPARATION OR CHEMICAL WORKING-UP; 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; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

Provided is a kaolin having a finer particle size and a narrower particle size distribution, in combination with suitable morphology. Also provided are a method of preparing the kaolin product and methods of use. La présente invention concerne un kaolin dont la taille de particule est plus fine et la répartition granulométrique est plus étroite, en combinaison avec une morphologie appropriée. L'invention concerne également un procédé de préparation du produit de kaolin et des procédés d'utilisation.