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Open‐Framework Materials Synthesized in the TMA + /TEA + Mixed‐Template System: The New Low Si/Al Ratio Zeolites UZM‐4 and UZM‐5
Author(s) -
Blackwell C. Scott,
Broach Robert W.,
Gatter Michael G.,
Holmgren Jennifer S.,
Jan DengYang,
Lewis Gregory J.,
Mezza Beckay J.,
Mezza Thomas M.,
Miller Mark A.,
Moscoso Jaime G.,
Patton R. Lyle,
Rohde Lisa M.,
Schoonover Michael W.,
Sinkler Wharton,
Wilson Ben A.,
Wilson Stephen T.
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200250076
Subject(s) - zeolite , tetramethylammonium , catalysis , molecular sieve , ion exchange , chemical engineering , thermal stability , materials science , ring (chemistry) , molecule , chemistry , nanotechnology , inorganic chemistry , ion , organic chemistry , engineering
The right mix! Combinations of two of the most studied templates in zeolite synthesis, the tetramethylammonium (TMA + ) and tetraethylammonium (TEA + ) ions, are employed to synthesize the new species UZM‐4, a stable large‐pore zeolite with the BPH toplogy, and UZM‐5, which has a new framework topology related to zeolite A in two dimensions and large surface cups capable of catalysis of aromatic compounds.