Wollastonite-reinforced polypropylene composites modified with novel metallocene EPR copolymers. I. Phase structure and morphology

Wollastonite-reinforced polypropylene composites modified with novel metallocene EPR copolymers. I. Phase structure and morphology

Supermolecular structure of isotactic polypropylene/wollastonite/metallocene propylene–ethylene copolymers (iPP/W/EPR) composites was studied as a function of elastomer content (from 0 to 20 vol%) by optical, scanning, and transmission electron microscopy, wide‐angle X‐ray diffraction, and different...

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Veröffentlicht in:Polymer composites 2009-07, Vol.30 (7), p.1007-1015
Hauptverfasser: Švab, Iztok, Musil, Vojko, Pustak, Anđela, Šmit, Ivan
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Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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container_end_page 1015
container_issue 7
container_start_page 1007
container_title Polymer composites
container_volume 30
creator Švab, Iztok
Musil, Vojko
Pustak, Anđela
Šmit, Ivan
description Supermolecular structure of isotactic polypropylene/wollastonite/metallocene propylene–ethylene copolymers (iPP/W/EPR) composites was studied as a function of elastomer content (from 0 to 20 vol%) by optical, scanning, and transmission electron microscopy, wide‐angle X‐ray diffraction, and differential scanning calorimetry. Both, wollastonite and dispersed EPR particles, homogeneously incorporated into the iPP matrix, and affected the final phase structure and morphology of the iPP/wollastonite/EPR composites. Wollastonite particles were orientated plane‐parallel to the sample surface and hindered spherulite growth of the iPP matrix. EPRs enhanced plane‐parallel orientation of wollastonite and simultaneously enhanced the spherulite and crystallite growth in the iPP matrix during the solidification of polymer melt. Ternary iPP/wollastonite/EPR composites exhibited significant prevalence of separated microphase morphology (over core‐shell morphology) because of constitution similarity of P‐E and iPP chains. POLYM. COMPOS., 2009. © 2008 Society of Plastics Engineers.
doi_str_mv 10.1002/pc.20649
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subjects Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
title Wollastonite-reinforced polypropylene composites modified with novel metallocene EPR copolymers. I. Phase structure and morphology
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