Journal
JOURNAL OF POROUS MATERIALS
Volume 22, Issue 6, Pages 1407-1416Publisher
SPRINGER
DOI: 10.1007/s10934-015-0020-z
Keywords
Micro/mesoporous material; Protic ionic liquid; P123; Alkylation; Catalysis stability
Funding
- National Natural Science Foundation of China [21306023, 21376051, 21106017, 51077013]
- Fund Project for Transformation of Scientific and Technological Achievements of Jiangsu Province of China [BA2011086]
- Key Program for the Scientific Research Guiding Found of Basic Scientific Research Operation Expenditure of Southeast University [3207043101]
- Instrumental Analysis Fund of Southeast University
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Nanosized hierarchical micro/mesoporous composites were successfully fabricated using non-ionic block copolymer Pluronic P123 and protic ionic liquid (butylamine acetate) as the co-templates. The obtained samples were characterized by several techniques, including small angle X-ray scattering, N-2 gas sorption, scanning electron microscope and transmission electron microscopy. The result established that the final silica materials possessed a disordered population of micropores coexisting with two different mesoporous channels of 4.0 and 7.3 nm. The formation mechanism of the micro/mesoporous silica which is based on the interaction between PIL and P123 is tentatively elucidated. 12-Tungstophosphoric acid catalysts incorporated into these micro/mesoporous materials were prepared by impregnation, and their catalytic performances were investigated in the alkylation of o-xylene with styrene. Alkylation results exhibited that all the catalysts showed the high catalytic performance in terms of propane conversion and selectivity to propene.
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