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Dielectric relaxation in chlorinated polyethylene polypropylene copolymers

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Dielectric relaxation in chlorinated polyethylene polypropylene copolymers

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dc.contributor.author Sanchis Sánchez, María Jesús es_ES
dc.contributor.author Sánchez Martínez, Enrique es_ES
dc.contributor.author Díaz Calleja, Ricardo es_ES
dc.contributor.author Pankratova, E.T. es_ES
dc.contributor.author Murin, I. es_ES
dc.date.accessioned 2018-04-19T04:14:37Z
dc.date.available 2018-04-19T04:14:37Z
dc.date.issued 1996 es_ES
dc.identifier.issn 0959-8103 es_ES
dc.identifier.uri http://hdl.handle.net/10251/100593
dc.description.abstract [EN] Dielectric relaxation measurements were carried out on eight chlorinated polyethylene-polypropylene (PEPP) copolymers in the range of temperatures covering the main dielectric absorption. Chlorination of PEPP is expected to change the dynamic dielectric properties gradually with increasing amount of chlorine in the polymer chains. Thus, in the present study, increasing degrees of chlorination give a clear shift of the glass transition temperature towards higher values, except in the range between 40 and 51% chlorine, where an anomalous behaviour was observed. The same tendency is also observed in the relaxation strength (Delta epsilon). The value of Delta epsilon has been estimated by using a nonlinear squares regression program (LEVM6) to calculate the parameters of the Havriliak-Negami empirical equation. It appears reasonable to assume that the anomalous behaviour observed can be attributed to a compensation of the dipolar moments of chlorine groups in the macromolecules. es_ES
dc.language Inglés es_ES
dc.publisher John Wiley & Sons es_ES
dc.relation.ispartof Polymer International es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Chlorinated es_ES
dc.subject Polyethylene-polypropylene copolymers es_ES
dc.subject Dynamic dielectric properties es_ES
dc.subject Fuoss-Kirkwood and Havriliak-Negami empirical equations es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Dielectric relaxation in chlorinated polyethylene polypropylene copolymers es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1002/(SICI)1097-0126(199611)41:3<337::AID-PI625>3.0.CO;2-8 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1002/(SICI)1097-0126(199611)41:3<337::AID-PI625>3.0.CO;2-8 es_ES
dc.description.upvformatpinicio 337 es_ES
dc.description.upvformatpfin 343 es_ES
dc.type.version info:eu repo/semantics/publishedVersion es_ES
dc.description.volume 41 es_ES
dc.description.issue 3 es_ES
dc.relation.pasarela 14835 es_ES


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