The allure of "molecular videos": In-situ infrared spectroscopy of polymerization processes

A. J. Pasquale, J. R. Lizotte, D. T. Williamson, Timothy Edward Long

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In-situ infrared spectroscopy permits the real-time elucidation of polymerization kinetics and mechanisms for a wide range of polymerization processes. Both near- and mid-infrared spectroscopy have been utilized for the investigation of living ionic polymerizations. The essential determination of pseudo-first-order polymerization kinetics that are consistent with living mechanisms and monomer conversion profiles facilitated the discovery of novel block and star copolymers. Real-time determination of polymerization rates for stable free radical polymerizations of styrene and 2-vinyl naphthalene has provided significant insight regarding nitroxide mediation in free radical polymerization processes. Free radical alternating copolymerization of norbornenes with maleic anhydride was also investigated and in-situ mid-infrared spectroscopic analysis has been vital for mechanistic studies of this copolymerization process. In addition, mid-infrared spectroscopy of melt phase polyester polymerizations via acidolysis allowed the identification of suitable poly-condensation catalysts and the nature of the heterogeneous polymerization environment at 300 °C.

Original languageEnglish
Pages (from-to)272-283
Number of pages12
JournalPolymer News
Volume27
Issue number8
Publication statusPublished - 2002 Dec 1
Externally publishedYes

Fingerprint

Infrared spectroscopy
Polymerization
Free radical polymerization
Copolymerization
Maleic Anhydrides
Kinetics
Polyesters
Styrene
Spectroscopic analysis
Maleic anhydride
Naphthalene
Polycondensation
Free radicals
Stars
Free Radicals
Copolymers
Monomers
Infrared radiation
Catalysts

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics

Cite this

Pasquale, A. J., Lizotte, J. R., Williamson, D. T., & Long, T. E. (2002). The allure of "molecular videos": In-situ infrared spectroscopy of polymerization processes. Polymer News, 27(8), 272-283.

The allure of "molecular videos" : In-situ infrared spectroscopy of polymerization processes. / Pasquale, A. J.; Lizotte, J. R.; Williamson, D. T.; Long, Timothy Edward.

In: Polymer News, Vol. 27, No. 8, 01.12.2002, p. 272-283.

Research output: Contribution to journalArticle

Pasquale, AJ, Lizotte, JR, Williamson, DT & Long, TE 2002, 'The allure of "molecular videos": In-situ infrared spectroscopy of polymerization processes', Polymer News, vol. 27, no. 8, pp. 272-283.
Pasquale AJ, Lizotte JR, Williamson DT, Long TE. The allure of "molecular videos": In-situ infrared spectroscopy of polymerization processes. Polymer News. 2002 Dec 1;27(8):272-283.
Pasquale, A. J. ; Lizotte, J. R. ; Williamson, D. T. ; Long, Timothy Edward. / The allure of "molecular videos" : In-situ infrared spectroscopy of polymerization processes. In: Polymer News. 2002 ; Vol. 27, No. 8. pp. 272-283.
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