Kinetic stabilility of the well-exfoliated state in polypropylene-clay nanocomposites made by solid-state shear pulverization

Kosmas G. Kasimatis; John M Torkelson

Kinetic stabilility of the well-exfoliated state in polypropylene-clay nanocomposites made by solid-state shear pulverization

Kosmas G. Kasimatis^*, John M Torkelson

^*Corresponding author for this work

Chemical and Biological Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

Analysis by electron microscopy, x-ray diffraction/scattering and DSC has revealed that well-exfoliated states can be achieved in polypropylene (PP)-clay nanocomposites using a novel non-equilibrium processing method called solid-state shear pulverization (SSSP). Such well-exfoliated states cannot be achieved in PP/clay nanocomposites by melt processing. Nanocomposites made via SSSP have been found by x-ray and DSC analysis to remain well-exfoliated after 1.5 to 2 hr of annealing in the melt state of PP. Thus, even if a well-exfoliated state is not thermodynamically favored, it is kinetically stable over long times in the melt state.

Original language	English (US)
Title of host publication	ANTEC 2004 - Annual Technical Conference Proceedings, Volume 2
Subtitle of host publication	Materials
Pages	1503-1507
Number of pages	5
Volume	2
State	Published - Jun 1 2004
Event	ANTEC 2004 - Annual Technical Conference Proceedings - Chicago, IL., United States Duration: May 16 2004 → May 20 2004

Other

Other	ANTEC 2004 - Annual Technical Conference Proceedings
Country/Territory	United States
City	Chicago, IL.
Period	5/16/04 → 5/20/04

Keywords

Clay
Nanocomposite
Polypropylene
Pulverization

ASJC Scopus subject areas

Engineering(all)

Cite this

@inproceedings{135830f5802747e49c99692179fd31d3,

title = "Kinetic stabilility of the well-exfoliated state in polypropylene-clay nanocomposites made by solid-state shear pulverization",

abstract = "Analysis by electron microscopy, x-ray diffraction/scattering and DSC has revealed that well-exfoliated states can be achieved in polypropylene (PP)-clay nanocomposites using a novel non-equilibrium processing method called solid-state shear pulverization (SSSP). Such well-exfoliated states cannot be achieved in PP/clay nanocomposites by melt processing. Nanocomposites made via SSSP have been found by x-ray and DSC analysis to remain well-exfoliated after 1.5 to 2 hr of annealing in the melt state of PP. Thus, even if a well-exfoliated state is not thermodynamically favored, it is kinetically stable over long times in the melt state.",

keywords = "Clay, Nanocomposite, Polypropylene, Pulverization",

author = "Kasimatis, {Kosmas G.} and Torkelson, {John M}",

year = "2004",

month = jun,

day = "1",

language = "English (US)",

volume = "2",

pages = "1503--1507",

booktitle = "ANTEC 2004 - Annual Technical Conference Proceedings, Volume 2",

note = "ANTEC 2004 - Annual Technical Conference Proceedings ; Conference date: 16-05-2004 Through 20-05-2004",

}

TY - GEN

T1 - Kinetic stabilility of the well-exfoliated state in polypropylene-clay nanocomposites made by solid-state shear pulverization

AU - Kasimatis, Kosmas G.

AU - Torkelson, John M

PY - 2004/6/1

Y1 - 2004/6/1

N2 - Analysis by electron microscopy, x-ray diffraction/scattering and DSC has revealed that well-exfoliated states can be achieved in polypropylene (PP)-clay nanocomposites using a novel non-equilibrium processing method called solid-state shear pulverization (SSSP). Such well-exfoliated states cannot be achieved in PP/clay nanocomposites by melt processing. Nanocomposites made via SSSP have been found by x-ray and DSC analysis to remain well-exfoliated after 1.5 to 2 hr of annealing in the melt state of PP. Thus, even if a well-exfoliated state is not thermodynamically favored, it is kinetically stable over long times in the melt state.

AB - Analysis by electron microscopy, x-ray diffraction/scattering and DSC has revealed that well-exfoliated states can be achieved in polypropylene (PP)-clay nanocomposites using a novel non-equilibrium processing method called solid-state shear pulverization (SSSP). Such well-exfoliated states cannot be achieved in PP/clay nanocomposites by melt processing. Nanocomposites made via SSSP have been found by x-ray and DSC analysis to remain well-exfoliated after 1.5 to 2 hr of annealing in the melt state of PP. Thus, even if a well-exfoliated state is not thermodynamically favored, it is kinetically stable over long times in the melt state.

KW - Clay

KW - Nanocomposite

KW - Polypropylene

KW - Pulverization

UR - http://www.scopus.com/inward/record.url?scp=2442477684&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=2442477684&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:2442477684

VL - 2

SP - 1503

EP - 1507

BT - ANTEC 2004 - Annual Technical Conference Proceedings, Volume 2

T2 - ANTEC 2004 - Annual Technical Conference Proceedings

Y2 - 16 May 2004 through 20 May 2004

ER -

Kinetic stabilility of the well-exfoliated state in polypropylene-clay nanocomposites made by solid-state shear pulverization

Abstract

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Keywords

ASJC Scopus subject areas

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