B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/16 (2006.01) C01B 31/00 (2006.01) C08K 3/04 (2006.01) C09D 11/02 (2006.01) H01G 9/022 (2006.01) H01M 4/86 (2006.01)
Patent
CA 2715309
The invention is directed to processes for increasing the surface area of a carbon black starting material and for forming mesoporous carbon black. The process includes the step of contacting a carbon black starting material having a first BET nitrogen surface area with an oxidant in a fluidized bed under conditions effective to form a carbon black product having a second BET nitrogen surface area greater than the first BET nitrogen surface area. The invention is also directed to carbon black product formed by this process.
L'invention porte sur des procédés pour augmenter la surface spécifique d'une matière de départ de type noir de carbone et pour former du noir de carbone mésoporeux. Le procédé comprend l'étape de mise en contact d'une matière de départ de type noir de carbone ayant une première surface spécifique BET à l'azote avec un oxydant dans un lit fluidisé dans des conditions efficaces pour former un produit de type noir de carbone ayant une seconde surface spécifique BET à l'azote supérieure à la première surface spécifique BET à l'azote. L'invention porte également sur un produit de type noir de carbone formé par ce procédé.
Green Martin C.
Kyrlidis Agathagelos
Moeser Geoffrey D.
Sawka Raymond M.
Taylor Roscoe W.
Cabot Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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