کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
65937 48410 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Zeolitic imidazolate framework as efficient heterogeneous catalyst for the synthesis of ethyl methyl carbonate
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
پیش نمایش صفحه اول مقاله
Zeolitic imidazolate framework as efficient heterogeneous catalyst for the synthesis of ethyl methyl carbonate
چکیده انگلیسی

A zeolitic imidazolate framework (ZIF-8) was developed as a novel efficient heterogeneous catalyst for the synthesis of ethyl methyl carbonate from dimethyl carbonate and diethyl carbonate. ZIF-8 was characterized by element analysis, X-ray powder diffraction (XRD), Fourier transform infrared (FT-IR), temperature programmed desorption (TPD), N2 adsorption–desorption and thermogravimetric analysis. The effects of catalyst amount, temperature and reaction time on the yield of ethyl methyl carbonate were also tested. The results showed that ZIF-8 performed excellent activity, selectivity and reusability under mild reaction conditions.

The zeolitic imidazolate framework (ZIF-8) was developed as a novel efficient heterogeneous catalyst for the synthesis of ethyl methyl carbonate from dimethyl carbonate and diethyl carbonate. Under optimal reaction conditions, the yield of EMC reached at 50.7%. After simple separation, ZIF-8 can be reused at least 3 times without viewable loss of activity, and the framework of ZIF-8 was well retained.Figure optionsDownload high-quality image (111 K)Download as PowerPoint slideHighlights
► ZIF-8 was developed as a novel efficient heterogeneous catalyst for the synthesis of ethyl methyl carbonate.
► ZIF-8 performed excellent activity, selectivity and reusability.
► The framework of ZIF-8 contains acid and basic bi-active centers.
► The framework of ZIF-8 is well retained in the title reaction system.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Catalysis A: Chemical - Volume 366, January 2013, Pages 43–47
نویسندگان
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