Clustering of Coated Droplets in Clay-Filled Polymer Blends

Filippone, G.; ACIERNO, DOMENICO

doi:10.1002/mame.201100398

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The selective positioning of clay platelets at the polymer/polymer interface in a blend with drop/matrix morphology has a contrasting effect: on the one hand, it promotes a refinement of the morphology during the intense flows which occur during melt compounding; on the other hand, it induces coarsening in the course of prolonged slow flows experienced during rheological analysis. Rather than to a usual coalescence process, the increase of the average sizes of the dispersed phase is primarily due to a clustering mechanism of clay-coated droplets, which keep their individuality inside the clusters because of the elastic connotation of the layered interface.

Titolo:	Clustering of Coated Droplets in Clay-Filled Polymer Blends
Autori interni:	G. Filippone ACIERNO, DOMENICO mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2012
Rivista:	MACROMOLECULAR MATERIALS AND ENGINEERING
Abstract:	The selective positioning of clay platelets at the polymer/polymer interface in a blend with drop/matrix morphology has a contrasting effect: on the one hand, it promotes a refinement of the morphology during the intense flows which occur during melt compounding; on the other hand, it induces coarsening in the course of prolonged slow flows experienced during rheological analysis. Rather than to a usual coalescence process, the increase of the average sizes of the dispersed phase is primarily due to a clustering mechanism of clay-coated droplets, which keep their individuality inside the clusters because of the elastic connotation of the layered interface.
Handle:	http://hdl.handle.net/20.500.11769/244534
Appare nelle tipologie:	1.1 Articolo in rivista

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