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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titlen-propylpyridinium chloride-modified poly (dimethylsiloxane) elastomeric networks: Preparation, characterization, and study of metal chloride adsorption from ethanol solutionspt_BR
dc.contributor.authorPissetti, FLpt_BR
dc.contributor.authorMagosso, HApt_BR
dc.contributor.authorYoshida, IVPpt_BR
dc.contributor.authorGushikem, Ypt_BR
dc.contributor.authorMyernyi, SOpt_BR
dc.contributor.authorKholin, YVpt_BR
unicamp.author.emailgushikem@iqm.unicamp.brpt_BR
unicamp.authorUniv Estadual Campinas, Inst Quim, BR-13084862 Campinas, SP, Brazil VN Kharazin Kharkiv Natl Univ, Dept Chem Mat, UA-61077 Kharkov, Ukrainept_BR
dc.subjectpoly(dimethylsiloxane)pt_BR
dc.subjectn-propylpyridinium chloridept_BR
dc.subjectelastomeric networkpt_BR
dc.subjectmetal adsorptionpt_BR
dc.subjectstability constantspt_BR
dc.subject.wosSilica-gel Surfacept_BR
dc.subject.wosSilsesquioxane Polymerpt_BR
dc.subject.wosPyridinium Ionpt_BR
dc.subject.wosPermeability Evaluationpt_BR
dc.subject.wosAscorbic-acidpt_BR
dc.subject.wosComplexespt_BR
dc.subject.wosFilmpt_BR
dc.subject.wosOxidationpt_BR
dc.subject.wosHalidespt_BR
dc.subject.wosCoordinationpt_BR
dc.description.abstractAn n-propylpyridinium chloride-modified PDMS elastomeric network, PDMS/Py+Cl-, was prepared from linear PDMS chains containing Si(CH3)(2)-OH end-groups cross-linked by 3-chloropropyltrimethoxysilane and posterior reaction with pyridiDe. PDMS/Py+CI- material was structurally characterized by infrared spectroscopy (IR) and solid state C-13 and Si-29 NMR. Thermogravimetric analysis of the product showed good thermal stability, with the initial temperature of weight loss at 450 K. The ion-exchange capacity of the PDMS/Py+Cl- was 0.65 mmol g(-1). Metal halides, MClz, [M = Fe3+, CU2+, and CO2+], were adsorbed by the modified solid from ethanol solutions as neutral species by forming the surface anionic complexes MClz+nn-. The nature of the anionic complex structure was proposed by UV-vis diffuse reflectance spectra. The species adsorbed were FeCl4-, CuCl42-, and CoCl42-. The specific sorption capacities and the heterogeneous stability constants of the immobilized metal complexes were determined with the aid of computational procedures. The trend in affinities of PDMS/Py+Cl- for the metal halides were found to be FeCl3 > CUCl2 similar to COCl2. (c) 2007 Elsevier Inc. All rights reserved.pt
dc.relation.ispartofJournal Of Colloid And Interface Sciencept_BR
dc.relation.ispartofabbreviationJ. Colloid Interface Sci.pt_BR
dc.publisher.citySan Diegopt_BR
dc.publisher.countryEUApt_BR
dc.publisherAcademic Press Inc Elsevier Sciencept_BR
dc.date.issued2007pt_BR
dc.date.monthofcirculationOCT 1pt_BR
dc.identifier.citationJournal Of Colloid And Interface Science. Academic Press Inc Elsevier Science, v. 314, n. 1, n. 38, n. 45, 2007.pt_BR
dc.language.isoenpt_BR
dc.description.volume314pt_BR
dc.description.issuenumber1pt_BR
dc.description.firstpage38pt_BR
dc.description.lastpage45pt_BR
dc.rightsfechadopt_BR
dc.rights.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policypt_BR
dc.sourceWeb of Sciencept_BR
dc.identifier.issn0021-9797pt_BR
dc.identifier.wosidWOS:000248795100006pt_BR
dc.identifier.doi10.1016/j.jcis.2007.05.040pt_BR
dc.date.available2014-11-15T01:27:18Z
dc.date.available2015-11-26T16:09:16Z-
dc.date.accessioned2014-11-15T01:27:18Z
dc.date.accessioned2015-11-26T16:09:16Z-
dc.description.provenanceMade available in DSpace on 2014-11-15T01:27:18Z (GMT). No. of bitstreams: 1 WOS000248795100006.pdf: 330300 bytes, checksum: aa6040c3b7a429c87bd6e0d8bae55fd0 (MD5) Previous issue date: 2007en
dc.description.provenanceMade available in DSpace on 2015-11-26T16:09:16Z (GMT). No. of bitstreams: 2 WOS000248795100006.pdf: 330300 bytes, checksum: aa6040c3b7a429c87bd6e0d8bae55fd0 (MD5) WOS000248795100006.pdf.txt: 28442 bytes, checksum: 10b60ea67cc9f8215c583972b6023644 (MD5) Previous issue date: 2007en
dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/62173pt_BR
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/62173
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/62173-
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