Exfoliated Titanosilicate Material UZAR‐S1 Obtained from JDF‐L1 | Zendy

Rubio César | Zendy; Casado Clara | Zendy; Gorgojo Patricia | Zendy; Etayo Fernando | Zendy; Uriel Santiago | Zendy; Téllez Carlos | Zendy; Coronas Joaquín | Zendy

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Exfoliated Titanosilicate Material UZAR‐S1 Obtained from JDF‐L1

Author(s) -

Rubio César,

Casado Clara,

Gorgojo Patricia,

Etayo Fernando,

Uriel Santiago,

Téllez Carlos,

Coronas Joaquín

Publication year - 2010

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.200900915

Subject(s) - microporous material , exfoliation joint , chemistry , intercalation (chemistry) , polysulfone , dispersion (optics) , chemical engineering , extraction (chemistry) , ion exchange , membrane , zeolite , inorganic chemistry , organic chemistry , graphene , ion , catalysis , biochemistry , physics , optics , engineering

A new material, UZAR‐S1, has been obtained by exfoliation of the layered precursor microporous titanosilicate JDF‐L1. The exfoliation consists of a first stage of proton exchange with histidine followed by intercalation with nonylamine and final extraction in HCl/water/ethanol solution. UZAR‐S1 is an exfoliated material composed of sheets of a few nanometers of thickness with a high aspect ratio, a BET specific surface area of 160 m 2 /g (JDF‐L1 scarcely adsorbs N 2 ), and a Si/Ti atomic ratio below 6. The dispersion of this material in commercial polysulfone results in an improved H 2 ‐selective mixed matrix membrane.

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