Polypropylene/Organoclay Nanocomposites Prepared by Supercritical CO2 Assisted Extrusion Process

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F14%3A43872029" target="_blank" >RIV/70883521:28610/14:43872029 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Polypropylene/Organoclay Nanocomposites Prepared by Supercritical CO2 Assisted Extrusion Process

Popis výsledku v původním jazyce

Polypropylene (PP) nanocomposites were prepared by melt intercalation in an intermeshing co-rotating twin-screw extruder with the assistance of supercritical CO2 injection. The effect of molecular weight of PP-MA (maleic anhydride modified polypropylene)on clay dispersion and mechanical properties of nanocomposites were investigated. After injection molding, the tensile properties and impact strength were measured. The best overall mechanical properties were found for composites containing PP-MA with the highest molecular weight. The basal spacing of clay inthe composites was measured by X-ray diffraction(XRD). Nano-scale morphology of samples was observed by transmission electron microscopy (TEM). The crystallization kinetics was measured by differential scanning calorimetry (DSC) and by optical microscopy at a fixed crystallization temperature. For well dispersed two-component system, PP- MA330k/clay, the crystallization kinetics and the spherulite size remained almost unchanged and

Název v anglickém jazyce

Polypropylene/Organoclay Nanocomposites Prepared by Supercritical CO2 Assisted Extrusion Process

Popis výsledku anglicky

Polypropylene (PP) nanocomposites were prepared by melt intercalation in an intermeshing co-rotating twin-screw extruder with the assistance of supercritical CO2 injection. The effect of molecular weight of PP-MA (maleic anhydride modified polypropylene)on clay dispersion and mechanical properties of nanocomposites were investigated. After injection molding, the tensile properties and impact strength were measured. The best overall mechanical properties were found for composites containing PP-MA with the highest molecular weight. The basal spacing of clay inthe composites was measured by X-ray diffraction(XRD). Nano-scale morphology of samples was observed by transmission electron microscopy (TEM). The crystallization kinetics was measured by differential scanning calorimetry (DSC) and by optical microscopy at a fixed crystallization temperature. For well dispersed two-component system, PP- MA330k/clay, the crystallization kinetics and the spherulite size remained almost unchanged and

Druh

C - Kapitola v odborné knize

CEP obor

JJ - Ostatní materiály

OECD FORD obor

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Projekt

<a href="/cs/project/ED2.1.00%2F03.0111" target="_blank" >ED2.1.00/03.0111: Centrum polymerních systémů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název knihy nebo sborníku

Handbook on Supercritical Fluids

ISBN

978-1-63321-930-4

Počet stran výsledku

15

Strana od-do

105-140

Počet stran knihy

393

Název nakladatele

Nova Science Publishers, Inc.

Místo vydání

New York

Kód UT WoS kapitoly

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