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UHMWPE/HDPE in-reactor blends, prepared by in situ polymerization: synthetic aspects and characterization

2017Journal article Open access
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dc.contributor.authorFerreira, A. E.
dc.contributor.authorCerrada, M. L.
dc.contributor.authorPérez, Ernesto
dc.contributor.authorLorenzo, V.
dc.contributor.authorVallés, E.
dc.contributor.authorRessia, J.
dc.contributor.authorCramail, H.
dc.contributor.authorLourenco, J. P.
dc.contributor.authorRibeiro, M. R.
dc.date.accessioned2017-03-10T17:10:58Z
dc.date.available2017-03-10T17:10:58Z
dc.date.issued2017
dc.date.updated2017-03-09T08:54:17Z
dc.description.abstractThis work covers the synthesis and characterization of in-reactor Ultra-High Molecular Weight Polyethylene/ High Density Polyethylene, UHMWPE/HDPE, blends by in situ polymerization in a single reactor, through dual catalyst immobilization. These blends are synthesized combining two different catalysts (one for each targeted molar mass) co-immobilized in mesoporous Santa Barbara Amorphous, SBA-15, particles. First, the ethylene polymerization behavior is investigated, under different polymerization conditions. Then, studies on the thermal, mechanical and rheological characteristics of the produced in-reactor blends are presented and their performance is compared and discussed in a comprehensive way. Moreover, the effect of different filler contents on the properties exhibited by the resulting materials is investigated. Results have shown that these in-reactor UHMWPE/HDPE blends exhibit a complex thermal, mechanical and rheological behavior, which depends mainly on the proportion between the two polymer components and on the amount of SBA-15.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFerreira, A. E.; Cerrada, M. L.; Perez, E.; Lorenzo, V.; Valles, E.; Ressia, J.; Cramail, H.; Lourenco, J. P.; Ribeiro, M. R.UHMWPE/HDPE in-reactor blends, prepared by in situ polymerization: Synthetic aspects and characterization, Express Polymer Letters, 11, 5, 344-361, 2017.pt_PT
dc.identifier.doihttps://doi.org/10.3144/expresspolymlett.2017.34pt_PT
dc.identifier.issn1788-618X
dc.identifier.otherAUT: JLO01215;
dc.identifier.urihttp://hdl.handle.net/10400.1/9038
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBudapest University of Technologypt_PT
dc.subjectPolymer compositespt_PT
dc.subjectIn-reactor blendspt_PT
dc.subjectUHMWPEpt_PT
dc.titleUHMWPE/HDPE in-reactor blends, prepared by in situ polymerization: synthetic aspects and characterizationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleExpress Polymer Letterspt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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