Effects of the location of the nanoclay at the interface on the mechanical properties of a maleic anhydride grafted polypropylene/polyamide 6/organoclay co-continuous blend

The effects of the location at the interface of an organoclay on the morphology and mechanical properties of a maleated‐polypropylene/polyamide 6 based co‐continuous blend have been studied. The organoclay is located at the interface because the level of interaction with each of the two polymers was...

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Veröffentlicht in:Polymers for advanced technologies Jg. 24; H. 4; S. 357 - 363
Hauptverfasser: Goitisolo, Izaro, González, Imanol, Eguiazábal, José Ignacio
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Chichester Blackwell Publishing Ltd 01.04.2013
Wiley
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Schlagworte:
Applied sciences
Blends
co-continuous blend
Composites
Encapsulation
Exact sciences and technology
Forms of application and semi-finished materials
Mechanical properties
melt processing
Nanocomposites
Nanomaterials
Nanostructure
Polyamide resins
Polymer industry, paints, wood
polymer/polymer interface
Position (location)
Technology of polymers
Viscosity
melt processing
Organic clay
Polymer blends
polymer/polymer interface
Dispersion degree
Mechanical properties
Organic anhydride
Experimental study
Functional polymer
Propylene derivative copolymer
Young modulus
Amide 6 polymer
Morphology
Aliphatic polymer
Concentration effect
Olefin polymer
blends
co-continuous blend
Rheological properties
ISSN:1042-7147, 1099-1581
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Zusammenfassung:The effects of the location at the interface of an organoclay on the morphology and mechanical properties of a maleated‐polypropylene/polyamide 6 based co‐continuous blend have been studied. The organoclay is located at the interface because the level of interaction with each of the two polymers was similar. The dispersed particle size remained unchanged with organoclay content because the effect of viscosity and coalescence inhibition was offset by the surfactant compatibilization hindering. The Young's modulus remained constant; this behavior is mainly attributed to the inefficient orientation of the nanoclay. The ductility behavior suggests that there is a maximum amount of organoclay that can be located at the interface while retaining its ductile nature. Once this amount has been exceeded, the interface becomes saturated, and the dispersed particles become encapsulated. Encapsulation means that both an inorganic barrier and discontinuity appear, hindering the stress transmission through the interface and leading to fragility. Copyright © 2012 John Wiley & Sons, Ltd.
Bibliographie:ArticleID:PAT3085
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ISSN:1042-7147
1099-1581
DOI:10.1002/pat.3085