%0 Journal Article
%T Cyanoethylationofalcoholsandaminesbycesium-modifiedzeoliteY
%A Sara Zamanian
%A Ali Nemati Kharat
%J ´ß»¯Ñ§±¨
%P 264-269
%D 2014
%R 10.1016/S1872-2067(12)60751-7
%X £¿ZeoliteYmodifiedbycesiumandmagnesiumionswaspreparedbyion-exchangeandimpregnationmethods,anditsactivityinthecyanoethylationofaliphaticandaromaticalcoholsandamineswasinvestigated.Duringthepreparationofsomesamples,thetransformationofzeoliteYintoapollucite-typephaseoccurred.Thisphaseexhibitedgoodactivityinthecyanoethylationofaliphaticalcohols.Thepreparedsolidsmodifiedbytheimpregnationmethodweremoreactivethantheion-exchangedsolids.Theactivitiesofthecatalysts,incontrasttootherbasicsolids,werescarcelyaffectedbythepresenceofairormoisture.Acorrelationbetweencatalystbasicityandcatalyticactivityisdiscussed.ThecatalystswerecharacterizedbyX-raydiffraction,volumetricnitrogenadsorptionsurfaceareameasurement,andCO2temperature-programmeddesorption.Scanningelectronmicroscopyrevealedthattheparticlesofthemodifiednanocatalystswere<40nm.Thereactionofacrylonitrilewithlinearalcoholsinthepresenceofthecatalystswasacceleratedbymicrowaveirradiation.
%K ModifiedYzeolite
%K Basiccatalyst
%K Cyanoethylation
%K Nano-particle
%U http://www.chxb.cn/CN/abstract/abstract21214.shtml