A Family of Molecular Sieves Containing Framework-Bound Organic Structure-Directing Agents

2015 ◽  
Vol 127 (38) ◽  
pp. 11249-11253 ◽  
Author(s):  
Jun Kyu Lee ◽  
Jiho Shin ◽  
Nak Ho Ahn ◽  
Alessandro Turrina ◽  
Min Bum Park ◽  
...  
Keyword(s):  
Molecular Sieves ◽  
Organic Structure ◽  
Structure Directing Agents

A Family of Molecular Sieves Containing Framework-Bound Organic Structure-Directing Agents

2015 ◽  
Vol 54 (38) ◽  
pp. 11097-11101 ◽  
Author(s):  
Jun Kyu Lee ◽  
Jiho Shin ◽  
Nak Ho Ahn ◽  
Alessandro Turrina ◽  
Min Bum Park ◽  
...  
Keyword(s):  
Molecular Sieves ◽  
Organic Structure ◽  
Structure Directing Agents

scholarly journals Acid Properties of SAPO-34 Molecular Sieves with Different Si Contents Templated by Various Organic Structure-Directing Agents

2020 ◽  
Vol 0 (0) ◽  
pp. 2003046-0
Author(s):  
Lei Wang ◽  
Tantan Sun ◽  
Nana Yan ◽  
Xiaona Liu ◽  
Chao Ma ◽  
...  
Keyword(s):  
Molecular Sieves ◽  
Acid Properties ◽  
Organic Structure ◽  
Structure Directing Agents

scholarly journals Alcohol-assisted synthesis of high-silica zeolites in the absence of organic structure-directing agents

2021 ◽  
Vol 42 (4) ◽  
pp. 563-570
Author(s):  
Huimin Luan ◽  
Chi Lei ◽  
Ye Ma ◽  
Qinming Wu ◽  
Longfeng Zhu ◽  
...  
Keyword(s):  
Organic Structure ◽  
High Silica ◽  
High Silica Zeolites ◽  
Structure Directing Agents

scholarly journals Zeolite Synthesis Using Imidazolium Cations as Organic Structure-Directing Agents

2019 ◽  
Vol 10 (1) ◽  
pp. 303
Author(s):  
Paloma Vinaches ◽  
Sibele Pergher
Keyword(s):  
Research Study ◽  
Research Area ◽  
Zeolite Synthesis ◽  
New Materials ◽  
Imidazolium Cation ◽  
Organic Structure ◽  
Imidazolium Cations ◽  
Structure Directing Agents ◽  
Direction Effect

Imidazolium-derivative cations are very interesting molecules used as organic structure-directing agents (OSDAs) for zeolite synthesis, widening the possibilities of new materials and applications in this research area. In this review, the studies performed at LABPEMOL using this kind of compound are presented after a quick overview on imidazolium derivatives. The first zeolite synthesis results that started this research study were obtained with 1-butyl-3-methylimidazolium chloride. Then, the design of new OSDAs based on the imidazolium cation, such as 1,2,3-triethylimidazolium, 2-ethyl-1,3-dimethylimidazolium and 1,2,3-triethyl-4-methylimidazolium, is reported. Afterwards, the structure-direction effect caused by the introduction of heteroatoms with already-published imidazolium derivatives (for example, the Al3+ insertion into zeolite frameworks with two different OSDAs and the silicoaluminophosphate (SAPO) synthesis using 2-ethyl-1,3,4 trimethylimidazolium cations) is discussed. Finally, we also present a quick overview of some achievements of other laboratories.

scholarly journals Revisiting the seed-assisted synthesis of zeolites without organic structure-directing agents: insights from the CHA case

RSC Advances ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 5304-5315 ◽  
Author(s):  
Grandprix T. M. Kadja ◽  
Iftitah R. Kadir ◽  
Adroit T. N. Fajar ◽  
Veinardi Suendo ◽  
Rino R. Mukti
Keyword(s):  
Crystallization Behaviour ◽  
Structure Directing Agent ◽  
Organic Structure ◽  
Structure Directing Agents

Herein, the crystallization behaviour of the CHA zeolite synthesized via the seed-assisted method and in the absence of an organic structure-directing agent has been revisited.

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