Surface characterization and study of Langmuir films of poly(4-vinylpyridine) quaternized with n-alkylbromide

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dc.contributor.authorGargallo, L
dc.contributor.authorMiranda, B
dc.contributor.authorRios, H
dc.contributor.authorGonzalez Nilo, F
dc.contributor.authorRadic, D
dc.date.accessioned2024-01-10T12:09:00Z
dc.date.available2024-01-10T12:09:00Z
dc.date.issued2001
dc.description.abstractThe surface behaviour of poly(4-vinylpyridine)s (P4VP) quaternized with four different alkyl chains (pentyl, hexyl, octyl and decy bromide) were studied. Surface pressure-area isotherms (pi -A) at the air-water interface were determined. Depending on the length of the side-chains, the pi -A isotherms show a plateau region. An extensive plateau is observed for n >6. The plateau pressures are similar for n = 8 and n = 10. The monolayers are stable and exhibit hysteresis phenomena. Brewster angle microscopy (BAM) is used to monitor the monolayer topography of the polymer on water subphase. To obtain information about the surface energy (SE) and the degree of hydrophobicity of these systems, we have estimated the critical surface tension, gamma (c), and the dispersion force and polar contributions to SE, gamma (D) and gamma (P), respectively, by measurements of the contact angle (CA) of water and bromobenzene on the polymer surface. The results obtained are depend on the length of the alkyl lateral chain of the functionalized polymers. (C) 2001 Society of Chemical Industry.
dc.fechaingreso.objetodigital2024-04-11
dc.format.extent5 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1002/pi.710
dc.identifier.issn0959-8103
dc.identifier.urihttps://doi.org/10.1002/pi.710
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/76449
dc.identifier.wosidWOS:000170307900002
dc.information.autorucQuímica;Gargallo L;S/I;98194
dc.information.autorucQuímica;Radic D;S/I;49367
dc.issue.numero8
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final862
dc.pagina.inicio858
dc.publisherJOHN WILEY & SONS LTD
dc.revistaPOLYMER INTERNATIONAL
dc.rightsacceso restringido
dc.subjectLangmuir films
dc.subjectpoly(4-vinylpyridine)s quaternized
dc.subjectsurface-area isotherms
dc.subjectBrewster angle microscopy
dc.subjectmonolayers
dc.subjectcontact angle
dc.subjectMONOLAYERS
dc.subjectINTERFACE
dc.subjectPOLYMERS
dc.subjectMICELLES
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.ods06 Clean Water and Sanitation
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.subject.odspa06 Agua limpia y saneamiento
dc.titleSurface characterization and study of Langmuir films of poly(4-vinylpyridine) quaternized with n-alkylbromide
dc.typeartículo
dc.volumen50
sipa.codpersvinculados98194
sipa.codpersvinculados49367
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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