Stability of dispersed phase to static coarsening

Polymer blend compatibilization via solid-state shear pulverization

Andrew H. Lebovitz*, John M Torkelson

*Corresponding author for this work

Research output: Contribution to conferencePaper

Abstract

Absolute compatibilization of immiscible polymer blends via a novel, continuous process, solid-state shear pulverization, and without addition of compatibilizing agents is quantitatively shown for the first time by stability of number-average dispersed-phase domain size to longterm annealing. Compatibilization via pulverization is due to in situ chain scission that is supported by molecular weight analysis of PS before and after pulverization, resulting in polymer radicals that can lead to in situ interfacial block copolymer formation.

Original languageEnglish (US)
Pages2328-2332
Number of pages5
StatePublished - Oct 14 2003
Event61st Annual Technical Conference ANTEC 2003 - Nashville, TN, United States
Duration: May 4 2003May 8 2003

Other

Other61st Annual Technical Conference ANTEC 2003
CountryUnited States
CityNashville, TN
Period5/4/035/8/03

Fingerprint

Compatibilizers
Coarsening
Polymer blends
Block copolymers
Polymers
Molecular weight
Annealing
Pulverization

Keywords

  • Coalescence
  • Coarsening
  • Compatibilization
  • Pulverization

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics

Cite this

Lebovitz, A. H., & Torkelson, J. M. (2003). Stability of dispersed phase to static coarsening: Polymer blend compatibilization via solid-state shear pulverization. 2328-2332. Paper presented at 61st Annual Technical Conference ANTEC 2003, Nashville, TN, United States.
Lebovitz, Andrew H. ; Torkelson, John M. / Stability of dispersed phase to static coarsening : Polymer blend compatibilization via solid-state shear pulverization. Paper presented at 61st Annual Technical Conference ANTEC 2003, Nashville, TN, United States.5 p.
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Lebovitz, AH & Torkelson, JM 2003, 'Stability of dispersed phase to static coarsening: Polymer blend compatibilization via solid-state shear pulverization' Paper presented at 61st Annual Technical Conference ANTEC 2003, Nashville, TN, United States, 5/4/03 - 5/8/03, pp. 2328-2332.

Stability of dispersed phase to static coarsening : Polymer blend compatibilization via solid-state shear pulverization. / Lebovitz, Andrew H.; Torkelson, John M.

2003. 2328-2332 Paper presented at 61st Annual Technical Conference ANTEC 2003, Nashville, TN, United States.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Stability of dispersed phase to static coarsening

T2 - Polymer blend compatibilization via solid-state shear pulverization

AU - Lebovitz, Andrew H.

AU - Torkelson, John M

PY - 2003/10/14

Y1 - 2003/10/14

N2 - Absolute compatibilization of immiscible polymer blends via a novel, continuous process, solid-state shear pulverization, and without addition of compatibilizing agents is quantitatively shown for the first time by stability of number-average dispersed-phase domain size to longterm annealing. Compatibilization via pulverization is due to in situ chain scission that is supported by molecular weight analysis of PS before and after pulverization, resulting in polymer radicals that can lead to in situ interfacial block copolymer formation.

AB - Absolute compatibilization of immiscible polymer blends via a novel, continuous process, solid-state shear pulverization, and without addition of compatibilizing agents is quantitatively shown for the first time by stability of number-average dispersed-phase domain size to longterm annealing. Compatibilization via pulverization is due to in situ chain scission that is supported by molecular weight analysis of PS before and after pulverization, resulting in polymer radicals that can lead to in situ interfacial block copolymer formation.

KW - Coalescence

KW - Coarsening

KW - Compatibilization

KW - Pulverization

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Lebovitz AH, Torkelson JM. Stability of dispersed phase to static coarsening: Polymer blend compatibilization via solid-state shear pulverization. 2003. Paper presented at 61st Annual Technical Conference ANTEC 2003, Nashville, TN, United States.