Publicação
The impact of oligomeric anions on the speciation of protic ionic liquids
| Resumo: | The synthesis of protic ionic liquids based in carboxylate anions, too often admitted as being straightforward, is actually challenging and must be carefully addressed. This review discusses the importance of oligomeric anions, in particular those based on carboxylates, in the behavior and nature of protic ionic liquids. There is strong evidence in the literature that the synthesis, and subsequent purification, of protic ionic liquids involving carboxylic acids, leads to structures in the liquid phase with an acid:base proportion different from the expected 1:1 stoichiometry. The formation of the oligomeric anions, mostly dependent on the proton transfer from the Brønsted acid to the Brønsted base, may lead to a higher ionicity that suggests the formation of true ionic liquids. It is here stressed the relevance of deepening the understanding of the interactions between the species and the speciation of the liquid phase, combining experimental and theoretical approaches to establish foundations for insightful advances in the area. |
|---|---|
| Autores principais: | Martins, Mónia A.R. |
| Outros Autores: | Carvalho, Pedro J.; Santos, Luís M.N.B.F.; Pinho, Simão; Coutinho, João A.P. |
| Assunto: | Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| Ano: | 2021 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade Politécnica de Bragança |
| Idioma: | inglês |
| Origem: | Biblioteca Digital da UPB |
| _version_ | 1877782667666128896 |
|---|---|
| author | Martins, Mónia A.R. |
| author2 | Carvalho, Pedro J. Santos, Luís M.N.B.F. Pinho, Simão Coutinho, João A.P. |
| author2_role | author author author author |
| author_facet | Martins, Mónia A.R. Carvalho, Pedro J. Santos, Luís M.N.B.F. Pinho, Simão Coutinho, João A.P. |
| author_role | author |
| contributor_name_str_mv | Biblioteca Digital da UPB |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Martins, Mónia A.R.\"},{\"Person.name\":\"Carvalho, Pedro J.\"},{\"Person.name\":\"Santos, Luís M.N.B.F.\"},{\"Person.name\":\"Pinho, Simão\",\"Person.identifier.cienciaID\":\"481D-73AD-8D0F\",\"Person.identifier.orcid\":\"0000-0002-9211-857X\",\"Person.identifier.researcherID\":\"D-4148-2013\",\"Person.identifier.scopusAuthorID\":\"7003570175\"},{\"Person.name\":\"Coutinho, João A.P.\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Biblioteca Digital da UPB |
| datacite.creators.creator.creatorName.fl_str_mv | Martins, Mónia A.R. Carvalho, Pedro J. Santos, Luís M.N.B.F. Pinho, Simão Coutinho, João A.P. |
| datacite.date.Accepted.fl_str_mv | 2021-01-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2018-01-19T10:00:00Z |
| datacite.date.embargoed.fl_str_mv | 2018-01-19T10:00:00Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| datacite.titles.title.fl_str_mv | The impact of oligomeric anions on the speciation of protic ionic liquids |
| dc.contributor.none.fl_str_mv | Biblioteca Digital da UPB |
| dc.creator.none.fl_str_mv | Martins, Mónia A.R. Carvalho, Pedro J. Santos, Luís M.N.B.F. Pinho, Simão Coutinho, João A.P. |
| dc.date.Accepted.fl_str_mv | 2021-01-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2018-01-19T10:00:00Z |
| dc.date.embargoed.fl_str_mv | 2018-01-19T10:00:00Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10198/24234 |
| dc.language.none.fl_str_mv | eng |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.subject.none.fl_str_mv | Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| dc.title.fl_str_mv | The impact of oligomeric anions on the speciation of protic ionic liquids |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | The synthesis of protic ionic liquids based in carboxylate anions, too often admitted as being straightforward, is actually challenging and must be carefully addressed. This review discusses the importance of oligomeric anions, in particular those based on carboxylates, in the behavior and nature of protic ionic liquids. There is strong evidence in the literature that the synthesis, and subsequent purification, of protic ionic liquids involving carboxylic acids, leads to structures in the liquid phase with an acid:base proportion different from the expected 1:1 stoichiometry. The formation of the oligomeric anions, mostly dependent on the proton transfer from the Brønsted acid to the Brønsted base, may lead to a higher ionicity that suggests the formation of true ionic liquids. It is here stressed the relevance of deepening the understanding of the interactions between the species and the speciation of the liquid phase, combining experimental and theoretical approaches to establish foundations for insightful advances in the area. |
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| person_str_mv | Martins, Mónia A.R. Carvalho, Pedro J. Santos, Luís M.N.B.F. Pinho, Simão Pinho, Simão https://www.ciencia-id.pt/481D-73AD-8D0F 481D-73AD-8D0F http://orcid.org/0000-0002-9211-857X 0000-0002-9211-857X Coutinho, João A.P. |
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| spelling | engen_ENThe synthesis of protic ionic liquids based in carboxylate anions, too often admitted as being straightforward, is actually challenging and must be carefully addressed. This review discusses the importance of oligomeric anions, in particular those based on carboxylates, in the behavior and nature of protic ionic liquids. There is strong evidence in the literature that the synthesis, and subsequent purification, of protic ionic liquids involving carboxylic acids, leads to structures in the liquid phase with an acid:base proportion different from the expected 1:1 stoichiometry. The formation of the oligomeric anions, mostly dependent on the proton transfer from the Brønsted acid to the Brønsted base, may lead to a higher ionicity that suggests the formation of true ionic liquids. It is here stressed the relevance of deepening the understanding of the interactions between the species and the speciation of the liquid phase, combining experimental and theoretical approaches to establish foundations for insightful advances in the area.application/pdfen_ENThe impact of oligomeric anions on the speciation of protic ionic liquidsMartins, Mónia A.R.Carvalho, Pedro J.Santos, Luís M.N.B.F.PersonalPinho, SimãoDSpacehttp://dspace.org/items/8ef7789a-34f3-4915-a666-4efe26272a30DSpacehttp://dspace.org/items/8ef7789a-34f3-4915-a666-4efe26272a30PinhoSimãoCiência IDhttps://www.ciencia-id.pt481D-73AD-8D0FORCIDhttp://orcid.org0000-0002-9211-857XResearcher IDhttps://www.researcherid.comD-4148-2013Scopus Author IDhttps://www.scopus.com7003570175Coutinho, João A.P.HostingInstitutionOrganizationalBiblioteca Digital da UPBe-mailmailto:dspace@unipb.ptdspace@unipb.ptISSNIsPartOf03783812DOIIsPartOf10.1016/j.fluid.2020.1129192018-01-19T10:00:00Z20212021-01-01T00:00:00ZHandlehttp://hdl.handle.net/10198/24234http://purl.org/coar/access_right/c_abf2open accessAcid:baseCarboxylatesIonicityOligomeric anionsProtic Ionic Liquids424509 bytesFundação para a Ciência e a TecnologiaCICECO-Aveiro Institute of Materialsinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50011%2F2020/PTUIDB/50011/20206817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871Fundação para a Ciência e a TecnologiaMountain Research Center - UIDB/00690/2020info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PTUIDB/00690/20206817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871Fundação para a Ciência e a TecnologiaChemistry Research Unit of University of Portoinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FQUI%2F00081%2F2013/PTUID/QUI/00081/20136817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871Fundação para a Ciência e a TecnologiaCarbon dioxide capture using gas–liquid membrane contactors and nonvolatile solvents: aiming at a close cycle CCS process for offshore implementationinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F00758%2F2015%2FCP1302%2FCT0006/PTIF/00758/2015/CP1302/CT0006Investigador FCTCrossref Funder IDhttp://doi.org/10.13039/501100001871literaturehttp://purl.org/coar/resource_type/c_6501journal articlehttp://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://bibliotecadigital.unipb.pt/bitstreams/d411119e-e357-4859-a342-99c1c9203acd/download |
| spellingShingle | The impact of oligomeric anions on the speciation of protic ionic liquids Martins, Mónia A.R. Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| status | SINGLETON |
| subject.fl_str_mv | Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| title | The impact of oligomeric anions on the speciation of protic ionic liquids |
| title_full | The impact of oligomeric anions on the speciation of protic ionic liquids |
| title_fullStr | The impact of oligomeric anions on the speciation of protic ionic liquids |
| title_full_unstemmed | The impact of oligomeric anions on the speciation of protic ionic liquids |
| title_short | The impact of oligomeric anions on the speciation of protic ionic liquids |
| title_sort | The impact of oligomeric anions on the speciation of protic ionic liquids |
| topic | Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| topic_facet | Acid:base Carboxylates Ionicity Oligomeric anions Protic Ionic Liquids |
| url | http://hdl.handle.net/10198/24234 |
| visible | 1 |