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    Synthesis, structural characterization and properties evaluation of two new zwitterionic siloxane compounds

    Year: 2020

    Journal: Polyhedron, Volume 179, MAR 15

    Authors: Bargan, Alexandra; Cazacu, Maria; Dascalu, Mihaela; Macsim, Ana-Maria; Soroceanu, Alina; Macsim, Ioan Florin

    Organizations: Romanian Ministry of Research and Innovation, CCCDI - UEFISCDI, within PNCDI III [PN-III-P1.2-PCCDI-2017-0185/76PCCDI/2018]

    Keywords: Siloxane surfactant; Supramolecular structure; Sorption capacity

    1,3-Bis(3-aminopropyl)tetramethyldisiloxane is a valuable tool for the introduction of siloxane segments into different organic-inorganic structures. This paper demonstrates how 1,3-bis(3-aminopropyl)tetramethyldisiloxane can easily form crystalline salts with different counterparts with which it comes into contact. Thus, in the reaction chamber 1,3-bis(3-ammoniumpropyl)tetramethyldisiloxane chloride and nitrate were formed in the detriment of one stage metal (Ni and Cu) complexes of Schiff's base with 4-imidazole carboxaldehyde. The salt products were isolated in crystalline state and were structurally characterized by single-crystal X-ray diffraction, elemental and spectral (FT-IR, H-1 NMR) analysis. The thermal and moisture stability as well as the aggregation ability in solution and sorption capacity for certain molecules were evaluated by adequate techniques. (C) 2020 Elsevier Ltd. All rights reserved.
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