Degradative thermal analysis and dielectric spectroscopy studies of aging in polysiloxane nanocomposites

J. P. Lewicki, J. J. Liggat, D. Hayward, R. A. Pethrick, M. Patel

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

1 Citation (Scopus)

Abstract

The characterization o f the physical and chemical changes that occur in montmorillonite/PDMS nanocomposite elastomers as they are thermally aged is reported. Broadband Dielectric Spectroscopy (BDS) was used to track changes in the physical interaction between the polymer and clay associated with increases in non-oxidative thermal stability (as determined by TGA). The evolution of volatile siloxane species from the elastomers was characterized with Thermal Volatilization Analysis (TVA). Results suggest that the improved thermal stability and the increases in polymer/clay association are a result of significant re-structuring of the polymer network.

LanguageEnglish
Title of host publicationPolymer Degradation and Performance
PublisherAmerican Chemical Society
Chapter21
Pages239-254
Number of pages16
Volume1004
ISBN (Print)9780841269781
DOIs
Publication statusPublished - 1 Jan 2009

Publication series

NameACS Symposium Series
Volume1004
ISSN (Print)0097-6156
ISSN (Electronic)1947-5918

Fingerprint

Siloxanes
Dielectric spectroscopy
Silicones
Thermoanalysis
Elastomers
Nanocomposites
Polymers
Aging of materials
Clay
Thermodynamic stability
Bentonite
Clay minerals
Vaporization
Association reactions
clay

Keywords

  • silicones
  • dielectric spectroscopy
  • elastomers
  • nanocomposites
  • thermoanalysis
  • thermodynamic stability

Cite this

Lewicki, J. P., Liggat, J. J., Hayward, D., Pethrick, R. A., & Patel, M. (2009). Degradative thermal analysis and dielectric spectroscopy studies of aging in polysiloxane nanocomposites. In Polymer Degradation and Performance (Vol. 1004, pp. 239-254). (ACS Symposium Series; Vol. 1004). American Chemical Society. https://doi.org/10.1021/bk-2009-1004.ch021
Lewicki, J. P. ; Liggat, J. J. ; Hayward, D. ; Pethrick, R. A. ; Patel, M. / Degradative thermal analysis and dielectric spectroscopy studies of aging in polysiloxane nanocomposites. Polymer Degradation and Performance. Vol. 1004 American Chemical Society, 2009. pp. 239-254 (ACS Symposium Series).
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abstract = "The characterization o f the physical and chemical changes that occur in montmorillonite/PDMS nanocomposite elastomers as they are thermally aged is reported. Broadband Dielectric Spectroscopy (BDS) was used to track changes in the physical interaction between the polymer and clay associated with increases in non-oxidative thermal stability (as determined by TGA). The evolution of volatile siloxane species from the elastomers was characterized with Thermal Volatilization Analysis (TVA). Results suggest that the improved thermal stability and the increases in polymer/clay association are a result of significant re-structuring of the polymer network.",
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Lewicki, JP, Liggat, JJ, Hayward, D, Pethrick, RA & Patel, M 2009, Degradative thermal analysis and dielectric spectroscopy studies of aging in polysiloxane nanocomposites. in Polymer Degradation and Performance. vol. 1004, ACS Symposium Series, vol. 1004, American Chemical Society, pp. 239-254. https://doi.org/10.1021/bk-2009-1004.ch021

Degradative thermal analysis and dielectric spectroscopy studies of aging in polysiloxane nanocomposites. / Lewicki, J. P.; Liggat, J. J.; Hayward, D.; Pethrick, R. A.; Patel, M.

Polymer Degradation and Performance. Vol. 1004 American Chemical Society, 2009. p. 239-254 (ACS Symposium Series; Vol. 1004).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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AB - The characterization o f the physical and chemical changes that occur in montmorillonite/PDMS nanocomposite elastomers as they are thermally aged is reported. Broadband Dielectric Spectroscopy (BDS) was used to track changes in the physical interaction between the polymer and clay associated with increases in non-oxidative thermal stability (as determined by TGA). The evolution of volatile siloxane species from the elastomers was characterized with Thermal Volatilization Analysis (TVA). Results suggest that the improved thermal stability and the increases in polymer/clay association are a result of significant re-structuring of the polymer network.

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Lewicki JP, Liggat JJ, Hayward D, Pethrick RA, Patel M. Degradative thermal analysis and dielectric spectroscopy studies of aging in polysiloxane nanocomposites. In Polymer Degradation and Performance. Vol. 1004. American Chemical Society. 2009. p. 239-254. (ACS Symposium Series). https://doi.org/10.1021/bk-2009-1004.ch021