Publicação
Quiescent and shear-induced non-isothermal crystallization of isotactic polypropylene-based nanocomposites
| datacite.subject.sdg | 03:Saúde de Qualidade | |
| datacite.subject.sdg | 09:Indústria, Inovação e Infraestruturas | |
| datacite.subject.sdg | 12:Produção e Consumo Sustentáveis | |
| dc.contributor.author | Silvestre, Clara | |
| dc.contributor.author | Pezzuto, Marilena | |
| dc.contributor.author | Duraccio, Donatella | |
| dc.contributor.author | Mitchell, Geoffrey R. | |
| dc.contributor.author | Cimmino, Sossio | |
| dc.date.accessioned | 2026-01-15T14:06:44Z | |
| dc.date.available | 2026-01-15T14:06:44Z | |
| dc.date.issued | 2016-06-06 | |
| dc.description.abstract | The paper reports a study of the effect of the addition of clay nanoparticles on melt rheology, phase structure, and non-isothermal crystallization process of isotactic polypropylene/hydrogenated oligocyclopentadiene (iPP/HOCP) system in quiescent conditions by DSC and under shear applied at different temperatures by SAXS. For both crystallization conditions, the addition of clay and/or HOCP shifts always the crystallization onset to lower values with respect to iPP. These results can be attributed to the diluent effect of HOCP that causes a decrease in the rate of nucleation and grow of the crystals, to the presence of segregated non-crystallizable phases/particles which hinder the transport of macromolecules chains toward the growing nuclei, and to the formation of beta iPP crystals and in the case of shearinduced crystallization to the presence of HPS which seems to reduce, mainly at low Ts, the amount of oriented polymer crystals, which are nuclei for the crystallization. At a given composition, the crystallization temperatures related at the crystallization under shear are always higher that those obtained by quiescent crystallization supporting the idea that the presence of extended chains in these samples act as nucleating agents favoring the crystallization process of iPP. | eng |
| dc.description.sponsorship | The research described herein was partially supported by COST Action FA0904 ‘Eco-sustainable food packaging based on polymer nanomaterials’. The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under Grant Agreement No 226716’’. The authors are grateful to Dr Ingrid Bernstorff (Electra) and Dr Francois Faust (ESRF) for their involvement in the experiments. The authors are grateful to Profs. Claudio De Rosa and Finizia Auriemma (University of Naples, Federico II) for helpful discussions. | |
| dc.identifier.citation | Silvestre, C., Pezzuto, M., Duraccio, D. et al. Quiescent and shear-induced non-isothermal crystallization of isotactic polypropylene-based nanocomposites. Polym. Bull. 74, 145–165 (2017). https://doi.org/10.1007/s00289-016-1704-5 | |
| dc.identifier.doi | 10.1007/s00289-016-1704-5 | |
| dc.identifier.issn | 0170-0839 | |
| dc.identifier.issn | 1436-2449 | |
| dc.identifier.uri | http://hdl.handle.net/10400.8/15344 | |
| dc.language.iso | eng | |
| dc.peerreviewed | yes | |
| dc.publisher | Springer Science and Business Media LLC | |
| dc.relation | FP7/2007-2013 | |
| dc.relation.hasversion | https://link.springer.com/article/10.1007/s00289-016-1704-5#Abs1 | |
| dc.relation.ispartof | Polymer Bulletin | |
| dc.rights.uri | N/A | |
| dc.title | Quiescent and shear-induced non-isothermal crystallization of isotactic polypropylene-based nanocomposites | eng |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.citation.endPage | 165 | |
| oaire.citation.issue | 1 | |
| oaire.citation.startPage | 145 | |
| oaire.citation.title | Polymer Bulletin | |
| oaire.citation.volume | 74 | |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |
| person.familyName | Mitchell | |
| person.givenName | Geoffrey | |
| person.identifier | 166356 | |
| person.identifier.ciencia-id | E41A-ABDD-1FC7 | |
| person.identifier.orcid | 0000-0001-7977-7610 | |
| person.identifier.scopus-author-id | 7403103397 | |
| relation.isAuthorOfPublication | 48c8066b-023e-4405-b462-49d28af000d1 | |
| relation.isAuthorOfPublication.latestForDiscovery | 48c8066b-023e-4405-b462-49d28af000d1 |