Pushing the limit: Pulsed laser polymerization of n-butyl acrylate at 500 Hz

Barner-Kowollik, C., Günzler, F., & Junkers, T. (2008) Pushing the limit: Pulsed laser polymerization of n-butyl acrylate at 500 Hz. Macromolecules, 41(23).

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Abstract

A study was conducted to demonstrate the determination of n-butyl acrylate (BA) kp from pulsed laser polymerization (PLP) at 500 Hz repetition rate up to 70 °C. Bulk monomer solutions of BA containing 5 × 10 -3 mol L-1 initiator (2,2-dimethoxyacetophenone (DMPA) were transferred into sample vials and sealed with rubber septa. Oxygen was removed by pumping the samples with nitrogen for about 2 minutes and the sample vial was placed into a stainless steel sample holder that was brought to temperature by a thermostat. The samples were allowed to equilibrate in temperature for about 5 minutes and were initiated by laser pulsing at constant repetition rates of up to 500 Hz. It was demonstrated that high laser energies provided high initiating radical concentrations that were favorable for conducting PLP investigations.

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63 citations in Web of Science®
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ID Code: 99167
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By :59
Export Date: 5 September 2016
CODEN: MAMOB
Correspondence Address: Barner-Kowollik, C.; Preparative Macromolecular Chemistry, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128 Karlsruhe, Germany; email: christopher.barner-kowollik@polymer.uni-karlsruhe.de
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Keywords: Laser energies, Laser pulsing, Monomer solutions, N-butyl acrylates, Pulsed-laser polymerizations, Radical concentrations, Repetition rates, Steel samples, Lasers, Monomers, Oxygen, Polymerization, Polymers, Stainless steel, Pulsed laser applications
DOI: 10.1021/ma8020932
ISSN: 00249297
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 Sep 2016 04:50
Last Modified: 10 Oct 2016 01:45

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