Nanocomposite material

Details Nanocomposite material Nanocomposite material

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) C08K 3/26 (2006.01)

Patent

CA 2317641

The invention relates to a nanocomposite material based on a polymeric matrix and a layered double hydroxide, wherein the polymeric matrix is present in an amount of at least 50 % by weight, based on the nanocomposite material, and wherein the layered double hydroxide contains an amount of anions of at least 20 %, based on the total number of anions of the layered double hydroxide, which anions are compatible and/or reactive with the polymeric matrix, and wherein at least 5 % of the above amount of anions contain a second charge-carrying group. The invention further relates to a method for preparing such a nanocomposite material and to a shaped article from such a nanocomposite material.

Cette invention concerne un matériau nano-composite qui comprend une matrice polymère ainsi qu'un hydroxyde double stratifié. La matrice polymère représente au moins 50 % en poids du matériau nano-composite, tandis que l'hydroxyde double stratifié contient une quantité d'au moins 20 % d'anions, par rapport au nombre total d'anions dudit hydroxyde double stratifié, qui sont compatibles et/ou réactifs avec la matrice polymère. Au moins 5 % des anions de la quantité susmentionnée contiennent un second groupe porteur de charge. Cette invention concerne également un procédé de préparation de ce matériau nano-composite, ainsi qu'un article mis en forme à partir de ce matériau nano-composite.

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