Morphology modification of a polyethylene/clay nanocomposite samples under convergent flow

Marino, R

Risultato della ricerca: Article

13 Citazioni (Scopus)

Abstract

The morphology of PE/CL nanocomposite samples subjected to convergent flows is studied. Elongational flow – the typical flow involved in spinning and film-blowing processing operations – significantly increases with the reduction of the capillary diameter. The values of the convergent extensional stress (calculated by Cogswell's formula) for the PE/CL systems, for all the adopted capillary geometries, are greater than the calculated values for pure polyethylene. The applied convergent flow, at the entrance of the capillary, is able to change the clay morphology and consequently the final material properties on the PE/CL system with limited affinity between the matrix and organo-modified clay particles.
Lingua originaleEnglish
pagine (da-a)575-581
Numero di pagine7
RivistaMacromolecular Materials and Engineering
Volume294
Stato di pubblicazionePublished - 2009

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Polyethylene
Polyethylenes
Nanocomposites
Clay
Blow molding
Materials properties
Geometry
Processing
clay

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Chemistry
  • Polymers and Plastics
  • Organic Chemistry

Cita questo

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title = "Morphology modification of a polyethylene/clay nanocomposite samples under convergent flow",
abstract = "The morphology of PE/CL nanocomposite samples subjected to convergent flows is studied. Elongational flow – the typical flow involved in spinning and film-blowing processing operations – significantly increases with the reduction of the capillary diameter. The values of the convergent extensional stress (calculated by Cogswell's formula) for the PE/CL systems, for all the adopted capillary geometries, are greater than the calculated values for pure polyethylene. The applied convergent flow, at the entrance of the capillary, is able to change the clay morphology and consequently the final material properties on the PE/CL system with limited affinity between the matrix and organo-modified clay particles.",
keywords = "convergent flows; fibers; morphology",
author = "{Marino, R} and {La Mantia}, {Francesco Paolo} and Dintcheva, {Nadka Tzankova}",
year = "2009",
language = "English",
volume = "294",
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journal = "Macromolecular Materials and Engineering",
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T1 - Morphology modification of a polyethylene/clay nanocomposite samples under convergent flow

AU - Marino, R

AU - La Mantia, Francesco Paolo

AU - Dintcheva, Nadka Tzankova

PY - 2009

Y1 - 2009

N2 - The morphology of PE/CL nanocomposite samples subjected to convergent flows is studied. Elongational flow – the typical flow involved in spinning and film-blowing processing operations – significantly increases with the reduction of the capillary diameter. The values of the convergent extensional stress (calculated by Cogswell's formula) for the PE/CL systems, for all the adopted capillary geometries, are greater than the calculated values for pure polyethylene. The applied convergent flow, at the entrance of the capillary, is able to change the clay morphology and consequently the final material properties on the PE/CL system with limited affinity between the matrix and organo-modified clay particles.

AB - The morphology of PE/CL nanocomposite samples subjected to convergent flows is studied. Elongational flow – the typical flow involved in spinning and film-blowing processing operations – significantly increases with the reduction of the capillary diameter. The values of the convergent extensional stress (calculated by Cogswell's formula) for the PE/CL systems, for all the adopted capillary geometries, are greater than the calculated values for pure polyethylene. The applied convergent flow, at the entrance of the capillary, is able to change the clay morphology and consequently the final material properties on the PE/CL system with limited affinity between the matrix and organo-modified clay particles.

KW - convergent flows; fibers; morphology

UR - http://hdl.handle.net/10447/56436

M3 - Article

VL - 294

SP - 575

EP - 581

JO - Macromolecular Materials and Engineering

JF - Macromolecular Materials and Engineering

SN - 1438-7492

ER -