C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 39/40 (2006.01) B01J 29/06 (2006.01) C01B 37/02 (2006.01)
Patent
CA 2392296
The invention relates to a mesoporous zeolitic material having a stereoregular arrangement of uniformly-sized meso-pores with diameters ranging from 20 to 500 .ANG. and walls having a microporous nanocrystalline structure. The mesopore walls have a stereoregular arrangement of uniformly-sized micropores with diameters less than 15 .ANG.. The mesoporous zeolite material according to the invention displays both the catalytic properties associated with zeolites containing strong Brönsted acid sites and the large mesopore surface area associated with mesoporous molecular sieves.
L'invention concerne un matériau zéolitique mésoporeux comportant une disposition stéréorégulaire de mésopores de tailles uniformes ayant des diamètres variant entre 20 et 500 ANGSTROM et des parois présentant une structure nanocristalline microporeuse. Les parois des mésopores comportent une disposition stéréorégulaire de micropores de tailles uniformes ayant des diamètres inférieurs à 15 ANGSTROM . Le matériau zéolitique mésoporeux selon l'invention présente les proriétés catalytiques associées aux zéolites contenant des sites d'acides de Bronsted forts, et la grande zone surfacique de mésopores associée aux tamis moléculaires mésoporeux.
Do Trong On
Kaliaguine Serge
Norton Rose Canada S.e.n.c.r.l. S.r.l./llp
Universite Laval
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