PTFE as a toughness modifier of high-performance PEI/PBT blends: Morphology control during melt processing

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dc.citation.journalTitlePOLYMERS FOR ADVANCED TECHNOLOGIESspa
dc.contributor.authorVásquez-Rendón M.
dc.contributor.authorÁlvarez-Láinez M.L.
dc.contributor.departmentUniversidad EAFIT. Departamento de Ingeniería de Diseño
dc.contributor.researchgroupIngeniería de Diseño (GRID)spa
dc.date.accessioned2021-04-12T21:15:03Z
dc.date.available2021-04-12T21:15:03Z
dc.date.issued2021-02-01
dc.description.abstractHigh-performance PEI/PBT blends are brittle because of phase distribution and blends densification. New morphologies developed by adding PTFE to PEI matrix during melt processing favor the toughness improvement of PEI/PBT blends. Ternary PEI/PBT/PTFE processability is not compromised by PTFE addition, and miscibility study by modulated differential scanning calorimetry and harmonic mean method shows that PTFE does not interfere with PEI and PBT interaction. Dual-phase and spore-like morphologies are formed for both PEI/PBT and PEI/PBT/PTFE blends, and they strongly influenced their mechanical performance. Although tensile strength of ternary blends does not decrease by PTFE addition, elongation at break deteriorates for blends with PEI concentrations <70 wt%. Nevertheless, blends with 80 wt% increase their ductility, and a synergic effect is observed in impact resistance results. PTFE acts as an impact modifier of PEI/PBT blends due to its distribution in the PEI matrix as debonded spheres and nanoparticles well-embedded in PEI matrix. © 2020 John Wiley & Sons Ltdeng
dc.identifierhttps://eafit.fundanetsuite.com/Publicaciones/ProdCientif/PublicacionFrw.aspx?id=12218
dc.identifier.doi10.1002/pat.5124
dc.identifier.issn10427147
dc.identifier.issn10991581
dc.identifier.otherWOS;000581858600001
dc.identifier.otherSCOPUS;2-s2.0-85093506299
dc.identifier.urihttp://hdl.handle.net/10784/29009
dc.language.isoengeng
dc.publisherJohn Wiley and Sons Ltd
dc.relationDOI;10.1002/pat.5124
dc.relationWOS;000581858600001
dc.relationSCOPUS;2-s2.0-85093506299
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85093506299&doi=10.1002%2fpat.5124&partnerID=40&md5=959fc541a5f98e11cfc2c732c3dedec5
dc.rightsJohn Wiley and Sons Ltd
dc.sourcePOLYMERS FOR ADVANCED TECHNOLOGIES
dc.subject.keywordDifferential scanning calorimetryeng
dc.subject.keywordMorphologyeng
dc.subject.keywordTensile strengtheng
dc.subject.keywordElongation at breakeng
dc.subject.keywordHarmonic mean methodeng
dc.subject.keywordImpact modifierseng
dc.subject.keywordMechanical performanceeng
dc.subject.keywordModulated differential scanning calorimetryeng
dc.subject.keywordMorphology controleng
dc.subject.keywordPhase distributioneng
dc.subject.keywordSynergic effectseng
dc.subject.keywordPolytetrafluoroethyleneseng
dc.titlePTFE as a toughness modifier of high-performance PEI/PBT blends: Morphology control during melt processingeng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typearticleeng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.typepublishedVersioneng
dc.type.localArtículospa

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