C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 9/08 (2006.01) C09C 3/00 (2006.01) C09C 3/06 (2006.01) D21H 19/38 (2006.01) D21H 19/44 (2006.01)
Patent
CA 2708562
The present invention relates to composites comprising inorganic micro pigments and/or fillers in the form of surface-phosphated microparticles, whose surface is at least partially coated with finely divided with alkaline earth carbonate nanoparticles by means of binders based on copolymers comprising as the monomers one or more dicarboxylic acids and one or more monomers from the group of diamines, triamines, dialkanolamines or trialkanolamines and epichlorohydrin, a method for producing such composites, aqueous slurries thereof and the use thereof in papermaking or in the field of production of paints and plastics as well as the use of the binders for the coating of microparticles with nano alkaline earth carbonate.
La présente invention concerne des composites incluant des micro-pigments inorganiques et/ou des charges sous la forme de microparticules phosphatées en surface, ladite surface étant au moins partiellement enduite de nanoparticules de carbonate d'alcalino-terreux finement divisées au moyen de liants à base de copolymères incluant en tant que monomères un ou plusieurs acides dicarboxyliques et un ou plusieurs monomères parmi le groupe des diamines, des triamines, de dialcanolamines ou des trialcanolamines et de l'épichlorhydrine, un procédé de production de ces composites, des boues aqueuses de ceux-ci et leur utilisation dans la fabrication du papier ou dans le domaine de la production des peintures et des plastiques et également l'utilisation des liants pour l'enrobage de microparticules avec un nanocarbonate d'alcalino-terreux.
Blum Rene Vinzenz
Buri Matthias
Gane Patrick Arthur Charles
Ridgway Catherine Jean
Benoit & Cote Associes Inc.
Omya Development Ag
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