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The role of silver nanoparticles on mixed matrix Ag/Cellulose acetate asymmetric membranes

2017-01Journal article Restricted access
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dc.contributor.authorSonawane, Shirish H.
dc.contributor.authorTerrien, Antonine
dc.contributor.authorFigueiredo, Ana Sofia
dc.contributor.authorGonçalves, Maria Clara
dc.contributor.authorDe Pinho, Maria Norberta
dc.date.accessioned2017-05-18T09:21:19Z
dc.date.available2017-05-18T09:21:19Z
dc.date.issued2017-01
dc.description.abstractMixed matrix asymmetric membranes were prepared by the addition of silver nanoparticles to cellulose acetate/acetone/formamide casting solutions with ratios acetone/formamide varying from 1.44 to 2.77 to prepare ultrafiltration/nanofiltration membranes covering a wide range of hydraulic permeabilities. Binding of the silver nanoparticles to the polymer matrix is revealed through comparison of the FTIR spectra of the cellulose acetate and the Ag/cellulose acetate membranes. In the later, there is a decrease of the ratio between the bands intensities at 2,000–2,500 cm 21. Membrane surface charge of the mixed matrix membranes varies with the pore size and pH,and when compared with cellulose acetate membranes there is a decrease of the negative surface charge densities. The silver nanoparticles in all mixed matrix membranes results in an enhancement of the hydraulic permeabilities, ranging from 10.8 kg m 22 h 21 bar 21 to 67.1 kg m 22 h 21 bar21. POLYM. COMPOS., 38:32–39, 2017. VC 2015 Society of Plastics Engineers.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSONAWANE, Shirish H.; [et al] – The role of silver nanoparticles on mixed matrix Ag/Cellulose acetate asymmetric membranes. Polymer Composites. ISSN: 1548-0569. Vol. 38, N.º 1 (2017), pp. 32-39pt_PT
dc.identifier.doi10.1002/pc.23557pt_PT
dc.identifier.issn1548-0569
dc.identifier.urihttp://hdl.handle.net/10400.21/7024
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSociety of Plastics Engineerspt_PT
dc.titleThe role of silver nanoparticles on mixed matrix Ag/Cellulose acetate asymmetric membranespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage39pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage32pt_PT
oaire.citation.titlePolymer Compositespt_PT
oaire.citation.volume38pt_PT
person.familyNameFigueiredo
person.familyNameGonçalves
person.familyNamede Pinho
person.givenNameAna Sofia
person.givenNameMaria Clara
person.givenNameMaria Norberta
person.identifier1326571
person.identifier807529
person.identifier.ciencia-id3B14-6C9E-8173
person.identifier.ciencia-id181E-DBBF-1204
person.identifier.ciencia-id8617-E671-C3E7
person.identifier.orcid0000-0002-9271-8444
person.identifier.orcid0000-0002-9373-282X
person.identifier.orcid0000-0002-5339-1784
person.identifier.ridB-4010-2012
person.identifier.ridA-3589-2013
person.identifier.scopus-author-id56533256600
person.identifier.scopus-author-id35791116900
person.identifier.scopus-author-id7005561562
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication240f5985-9845-47d1-99d4-c44a87885054
relation.isAuthorOfPublicationf885b2e2-9ec0-49b2-9ecd-464dcd9ee13f
relation.isAuthorOfPublication82329027-e556-4aa3-ae0f-0141b41d9a4b
relation.isAuthorOfPublication.latestForDiscoveryf885b2e2-9ec0-49b2-9ecd-464dcd9ee13f

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