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dc.creatorBaracho, Raphaela V.-
dc.creatorCarvalho, Lucas B.-
dc.creatorAndrade, Jéssica M.-
dc.creatorVenceslau, Adneia F. A.-
dc.creatorRocha, Denise A.-
dc.creatorPinto, Luciana M. A.-
dc.date.accessioned2017-10-11T18:43:48Z-
dc.date.available2017-10-11T18:43:48Z-
dc.date.issued2015-09-
dc.identifier.citationBARACHO, R. V. et al. Obtenção e caracterização de material híbrido entre sílica e ciclodextrinas. Química Nova, São Paulo, v. 38, n. 8, p. 1063-1067, Sept. 2015.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/15518-
dc.description.abstractThe obtention of silica and cyclodextrin hybrid materials was accomplished by refluxing them in xylol using citric acid as a binding agent. The materials were characterized by infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and elemental analysis. Evidence for the docking of cyclodextrins α and γ was substantiated based on the variation in band intensity for groups such as ≡Si-OH. Additional docking evidence includes the displacement of some of the bands that are related to cyclodextrin such as the deformation of the C-H axial bond. The α and γ-CDSi materials were characterized as amorphous compounds. The products obtained in the synthesis showed changes in the decomposition temperatures of their isolated constituents, in which the mass of α and γ-CD docked to the silica surface gave the estimated values of 41% and 47%, respectively. The elemental constituents were shown to be consistent and close to their relative theoretical values. ​Thermogravimetric analysis showed that a reduction in the percentage of the hybrids was proportional to the amount of lost mass. This new material is an improvement over synthesized organosilane materials because the operator and the environment benefit from a less toxic methodology. In addition, the material has several potential applications in complexation systems with cyclodextrin.pt_BR
dc.languagept_BRpt_BR
dc.publisherSociedade Brasileira de Químicapt_BR
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.sourceQuímica Novapt_BR
dc.subjectCyclodextrinpt_BR
dc.subjectPhysicochemical characterizationpt_BR
dc.subjectThermogravimetric analysispt_BR
dc.subjectCiclodextrinapt_BR
dc.subjectCaracterização físico-químicapt_BR
dc.subjectAnálise termogravimétricapt_BR
dc.titleObtenção e caracterização de material híbrido entre sílica e ciclodextrinaspt_BR
dc.title.alternativeObtention and characterization of a silica and cyclodextrin hybrid materialpt_BR
dc.typeArtigopt_BR
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