| abstract |
The present invention relates to a nanotubed gibbsite, treated with a compound of formula (OR a ) 3 Si-R b or of formula R c -COOH in which the R a which are identical to or different from each other represent a C 1 alkyl radical at C 10 ; R b is a C 5 to C 30 hydrocarbon radical and R c is a C 5 to C 30 hydrocarbon radical which can be used as a catalyst support. |