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Comparative study of the copolymerization kinetics of mono and divinylbenzyl p-tert-butylcalix[4]arene derivatives and styrene

2006-04Journal article Restricted access
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dc.contributor.authorCosta, Alexandra I.
dc.contributor.authorBarata, Patrícia
dc.contributor.authorPrata, José V.
dc.date.accessioned2020-06-09T15:22:15Z
dc.date.available2020-06-09T15:22:15Z
dc.date.issued2006-04
dc.description.abstractA study of the copolymerization kinetics of 25,27-bis(4-vinyl-benzyloxy)-26,28-dihydroxy-p-tert-butylcalix[4]arene (1) and 25,26,27-tripropoxy-28-(4-vinyl-benzyloxy)-p-tert-butylcalix[4]arene (2) with styrene (St) was undertaken. The radical copolymerizations were carried outin THF in thepresence ofbenzoyl peroxideat 758C for a certain period. Six molar feed ratios, ranging from 1:1 to 1:20 (1 or 2 to St), were used to calculate the reactivity parameters. The copolymer composition was determined by FT-IR spectroscopy using a Beer’s law plot obtained from the corresponding homopolymers. The reactivity ratio calculations were performed with the linearization methods of Fineman-Ross (F-R) and Kelen-Tu ¨do ¨s (K-T), assuming the validity of the so-called terminal model. In the copolymerization of the monoene 2, similar reactivity ratios were found for the comonomers (ca. 1.2; K-T). On the other hand, the reactivity ratios calculated for the copolymerization of 1 with St yielded rSt 5 0.67 and rcalix 5 3.0 (K-T method). The higher reactivity of monomer 1 as compared to styrene is discussed in connection with our previously postulated cyclocopolymerization route.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCOSTA, Alexandra I.; BARATA, Patrícia D.; PRATA, José V. – Comparative study of the copolymerization kinetics of mono and divinylbenzyl p-tert-butylcalix[4]arene derivatives and styrene. Supramolecular Chemistry. ISSN 1061-0278. Vol. 18, N.º 3 (2006), pp. 191-198pt_PT
dc.identifier.doi10.1080/10610270500450747pt_PT
dc.identifier.issn1061-0278
dc.identifier.issn1029-0478
dc.identifier.urihttp://hdl.handle.net/10400.21/11808
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relationIPL/21/2003 - Project of Instituto Politécnico de Lisboapt_PT
dc.relation.publisherversionhttps://www.tandfonline.com/doi/pdf/10.1080/10610270500450747?needAccess=truept_PT
dc.subjectCalixarenept_PT
dc.subjectCopolymerizationpt_PT
dc.subjectKineticspt_PT
dc.subjectReactivity Ratiospt_PT
dc.subjectCyclopolymerizationpt_PT
dc.titleComparative study of the copolymerization kinetics of mono and divinylbenzyl p-tert-butylcalix[4]arene derivatives and styrenept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage198pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage191pt_PT
oaire.citation.titleSupramolecular Chemistrypt_PT
oaire.citation.volume18pt_PT
person.familyNameCosta
person.familyNameBarata
person.familyNamePrata
person.givenNameAlexandra
person.givenNamePatrícia
person.givenNameJosé Virgílio
person.identifier1090399
person.identifier191765
person.identifier.ciencia-id4212-F7BF-D971
person.identifier.ciencia-idC019-9F30-0F99
person.identifier.ciencia-idC11A-9130-8981
person.identifier.orcid0000-0002-5518-6506
person.identifier.orcid0000-0001-8274-633X
person.identifier.orcid0000-0002-9068-2847
person.identifier.ridB-7214-2008
person.identifier.scopus-author-id8968446100
person.identifier.scopus-author-id8968446000
person.identifier.scopus-author-id9276778400
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication5f3891cc-260d-41d3-b803-4fd17e3734bd
relation.isAuthorOfPublication4ab8a01f-c11d-4b3b-b0cf-b21e5b634170
relation.isAuthorOfPublication15e229f3-a619-4931-87eb-799091dc1601
relation.isAuthorOfPublication.latestForDiscovery4ab8a01f-c11d-4b3b-b0cf-b21e5b634170

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