Large Pore Mesoporous MCM-41 Templated from Cetyltriethylammonium Bromide

Followinghydrothermalsynthesisprocess,MCM-41wassynthesizedbyusingcetyltriethylammoniumbromideastemplatingagent.TheexperimentalresultsshowedthatMCM-41withporediameterintherangeof4-7nmcanbeobtainedbyadjustingnSurf./nSi.ItwasprovedthatcetyltriethylammoniumbromideisaneffectivetemplatingagentforincreasingporediameterofmolecularsieveMCM-41.

JinXiangDONG(ResearchInstituteofSpecialChemicals,TaiyuanUniversityofTechnology,Taiyuan030024) 

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