Effect of pH Variations on the Properties of Cyclodextrin‐Calixarene Nanosponges

6533b823fe1ef96bd127f855

RESEARCH PRODUCT

Effect of pH Variations on the Properties of Cyclodextrin‐Calixarene Nanosponges

Marco Russo Demetrio Milea Alberto Pettignano Paolo Lo Meo Salvatore Cataldo Antonella Di Vincenzo

subject

chemistry.chemical_classification Potentiometric titration Cyclodextrin Chemistry General Chemistry Settore CHIM/06 - Chimica Organica Nanosponge Adsorption; Calixarene; Cyclodextrin; Nanosponges; Potentiometric titration Nanosponges Polymer chemistry Calixarene Calixarene Cyclodextrin Settore CHIM/01 - Chimica Analitica Adsorption

description

The pH-responsive properties of cyclodextrin-calixarene nanosponge co-polymeric materials have been investigated. In particular, ISE-H+ potentiometric titrations were carried out in order to evaluate the acid-base properties and the actual amount of ionizable sites present in the materials. Moreover, the relevant pH-dependent adsorption abilities were evaluated towards a set of selected model organic pollutant molecules by means of adsorption tests and by studying the corresponding adsorption isotherms. The latter ones could be suitably described by means of the Freundlich model. The whole of the experimental results enabled us to clarify some general aspects of the microscopic behavior of the nanosponges considered.

year	journal	country	edition	language
2019-05-27

10.1002/slct.201901200 https://hdl.handle.net/10447/359773

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