Micro and nanoparticulate PP/CaCO3 composites mechanical, thermal and transport properties - DOE

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dc.contributor.authorBarbosa J.M.
dc.contributor.authorPacheco C.V.
dc.contributor.authorSzilagyi G.
dc.contributor.authorde Oliveira P.C.
dc.contributor.authorPeres R.M.
dc.contributor.authorRibeiro H.
dc.date.accessioned2025-04-01T06:19:21Z
dc.date.available2025-04-01T06:19:21Z
dc.date.issued2025
dc.description.abstract© 2025 Associacao Brasileira de Polimeros. All rights reserved.Composite based on PP/CaCO3 contained micro and nanoparticles were investigated in relation its activation volume, mechanical, thermal and transport properties. The additives were initially dispersed in homopolymer polypropylene (hPP) blended with compatibilizer maleic anhydride grafted polypropylene (PP-g-MA) in twin-screw extruder, producing CaCO3 masterbatches, that were subsequently diluted in hPP. To optimize fillers dispersion in the polymer matrix, a Design of Experiment (DOE) was used, that combined Extruder screw rotation (N: 250 and 500 rpm); Extruder feed flow (Q:10 and 15 kg/h) and Average particle size (ϕ: 40 nm and 1.7 μm) at four different filler concentrations. Based on mechanical characterization results, the best process found was 500 rpm@10 kg/h, which provided suitable Specific Mechanical Energy (SME), increasing the nanocomposites strength. Finally, improvements of Impact Resistance up to 7.8% and Young’s Modulus up to 9.3% related to microcomposite and Tensile Strength (Fmax), up to 7.9%, related to hPP, with higher strain.
dc.description.issuenumber1
dc.description.volume35
dc.identifier.doi10.1590/0104-1428.20240071
dc.identifier.issnNone
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/40366
dc.relation.ispartofPolimeros
dc.rightsAcesso Aberto
dc.subject.otherlanguageactivation volume
dc.subject.otherlanguagecalcium carbonate
dc.subject.otherlanguagedesign of experiment
dc.subject.otherlanguagemineral fillers
dc.subject.otherlanguagenanocomposites
dc.titleMicro and nanoparticulate PP/CaCO3 composites mechanical, thermal and transport properties - DOE
dc.typeArtigo
local.scopus.citations0
local.scopus.eid2-s2.0-85218416744
local.scopus.subjectActivation volume
local.scopus.subjectMaleic anhydride-grafted polypropylenes
local.scopus.subjectMechanical
local.scopus.subjectMicro- and nano-particles
local.scopus.subjectMineral filler
local.scopus.subjectNano particulates
local.scopus.subjectPP-g-MA
local.scopus.subjectProperties design
local.scopus.subjectProperty
local.scopus.subjectThermal
local.scopus.updated2025-04-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85218416744&origin=inward
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