Acrylonitrile-butadiene rubber (NBR) prepared via living/controlled radical polymerization (RAFT)

Kaiser, A., Brandau, S., Klimpel, M., & Barner-Kowollik, C. (2010) Acrylonitrile-butadiene rubber (NBR) prepared via living/controlled radical polymerization (RAFT). Macromolecular Rapid Communications, 31(18).

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Abstract

In the current work we present results on the controlled/living radical copolymerization of acrylonitrile (AN) and 1,3-butadiene (BD) via reversible addition fragmentation chain transfer (RAFT) polymerization techniques. For the first time, a solution polymerization process for the synthesis of nitrile butadiene rubber (NBR) via the use of dithioacetate and trithiocarbonate RAFT agents is described. It is demonstrated that the number average molar mass, M̄n, of the NBR can be varied between a few thousand and 60 000 g mol-1 with polydispersities between 1.2 and 2.0 (depending on the monomer to polymer conversion). Excellent agreement between the experimentally observed and the theoretically expected molar masses is found. Detailed information on the structure of the synthesized polymers is obtained by variable analytical techniques such as infrared spectroscopy (IR), nuclear magnetic resonance (NMR) spectroscopy, differential scanning calorimetry, and electrospray ionization-mass spectrometry (ESI-MS). © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

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ID Code: 99249
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By :17
Export Date: 5 September 2016
CODEN: MRCOE
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@kit.edu
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Keywords: Acrylonitrile/butadiene copolymerization, Controlled/ living radical polymerization (RAFT), Monomers, Nitrile butadiene rubber (NBR), NMR, Acrylonitrile-butadiene rubber, Analytical techniques, Electrospray ionization mass spectrometry, Living radical polymerization, Living/controlled radical polymerization, Nitrile butadiene rubber, Number average, Radical copolymerization, RAFT agents, Reversible addition-fragmentation chain transfer polymerization, Solution polymerization, Synthesized polymers, Trithiocarbonate, Acrylics, Atom transfer radical polymerization, Butadiene, Cyanides, Differential scanning calorimetry, Electrospray ionization, Free radical polymerization, Infrared spectroscopy, Mass spectrometry, Molar mass, Nuclear magnetic resonance, Nuclear magnetic resonance spectroscopy, Polydispersity, Polymer blends, Polymers, Resonance, Rubber, Copolymerization
DOI: 10.1002/marc.201000162
ISSN: 10221336
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: 07 Oct 2016 02:41

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