C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 1/26 (2006.01) A61L 15/60 (2006.01) C08K 3/10 (2006.01) C08L 5/00 (2006.01) C08L 5/14 (2006.01)
Patent
CA 2603610
Particles comprising a combination of a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer, wherein the particles comprise a plurality of non-permanent metal crosslinks. A method for making particles containing carboxyalkyl cellulose, comprising blending a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous solution; treating the aqueous solution with a crosslinking agent to provide a gel; drying the gel to provide a solid; comminuting the solid to provide a plurality of particles.
Particules comprenant une combinaison de cellulose carboxyalkylique et un polymère de galactomannane ou un polymère de galactomannane, où les particules comportent de multiples métalliques transversales non permanentes. Méthode pour fabriquer des particules contenant de la cellulose carboxyalkylique, comprenant le mélange d'une cellulose carboxyalkylique et d'un galactomannaneou d'un galactomannane seul dans l'eau afin d'obtenir une solution aqueuse; le traitement de cette solution aqueuse avec un agent de réticulation afin d'obtenir un gel; le séchage du gel afin d'obtenir un solide; la fragmentation du solide afin d'obtenir une multitude de particules.
Luo Mengkui
Michalek Alena
Weerawarna S. Ananda
Smart & Biggar
Weyerhaeuser Company
Weyerhaeuser Nr Company
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