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Tarazona KB, Ramos‐Rivera G, Suleiman D. Synthesis and characterization of multi‐ionic block copolymers and blended membranes for chemical protective clothing applications. J Appl Polym Sci 2023. [DOI: 10.1002/app.53595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
| | - Gilberto Ramos‐Rivera
- Chemical Engineering Department University of Puerto Rico‐Mayaguez Mayagüez Puerto Rico
| | - David Suleiman
- Chemical Engineering Department University of Puerto Rico‐Mayaguez Mayagüez Puerto Rico
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Rotter H, Osovsky R, Hafif N, Pevzner A, Nir I. Nanostructured TiO 2/MCM-41-Functionalized PDMS as a Reactive Protective Barrier against Chemical Warfare Agents via Adsorption and Catalyzed Degradation. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hadar Rotter
- Department of Physical Chemistry, Israel Institute for Biological Research, P.O. Box 19, Ness Ziona 74100, Israel
| | - Ruth Osovsky
- Department of Physical Chemistry, Israel Institute for Biological Research, P.O. Box 19, Ness Ziona 74100, Israel
| | - Nir Hafif
- Department of Physical Chemistry, Israel Institute for Biological Research, P.O. Box 19, Ness Ziona 74100, Israel
| | - Alexander Pevzner
- Department of Physical Chemistry, Israel Institute for Biological Research, P.O. Box 19, Ness Ziona 74100, Israel
| | - Ido Nir
- Department of Physical Chemistry, Israel Institute for Biological Research, P.O. Box 19, Ness Ziona 74100, Israel
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Gorji M, Mazinani S, Gharehaghaji AA. A review on emerging developments in thermal and moisture management by membrane‐based clothing systems towards personal comfort. J Appl Polym Sci 2022. [DOI: 10.1002/app.52416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mohsen Gorji
- New Technologies Research Center (NTRC) Amirkabir University of Technology Tehran Iran
| | - Saeedeh Mazinani
- New Technologies Research Center (NTRC) Amirkabir University of Technology Tehran Iran
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Barrios‐Tarazona K, Suleiman D. Sulfonated poly(styrene‐isobutylene‐styrene) grafted with hexyl‐ and butyl‐imidazolium chloride ionic liquids. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | - David Suleiman
- Chemical Engineering Department University of Puerto Rico Mayaguez Puerto Rico
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Characterization of Sulfated SnO2-ZrO2 Catalysts and Their Catalytic Performance on the Tert-Butylation of Phenol. Catalysts 2020. [DOI: 10.3390/catal10070726] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Understanding the catalytic behavior of sulfated metal oxides has been the topic of several research studies in the past few decades. Their apparent super-acidic behavior has been correlated with the molecular structure of the surface sulfate species. Herein, we couple FTIR and Raman spectroscopies to study the molecular structural evolution of surface sulfate species on mixed metal hydroxides as well as calcined oxides. We show that on the surface of hydroxides, monodentate and possibly bidentate species are dominant, while for SnO2-rich samples, clusters of polymeric sulfate species may also be present. After calcination, sulfate species bind strongly on the surface of mixed oxides, and different configurations can be seen with a range of S=O functionalities of varying strength. Through comparison of the catalytic performance of all sulfate oxides in the tert-butylation of phenol, it was found that SnO2-rich samples show high TBA conversion, with monoalkylated phenols as the primary product.
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