Self-directed formation of uniform unsaturated macromolecules from acrylate monomers at high temperatures
Junkers, T., Bennet, F., Koo, S. P. S., & Barner-Kowollik, C. (2008) Self-directed formation of uniform unsaturated macromolecules from acrylate monomers at high temperatures. Journal of Polymer Science, Part A: Polymer Chemistry, 46(10).
An approach to self-directed formation of uniform unsaturated macromonomers (MM) from acrylate monomers at high temperature has been discussed. On the basis of a procedure to generate MM of high purities directly from the monomer without the need for endgroup modification, it was demonstrated that the growing radicals in acrylate polymerization at temperatures well above 120°C undergo a series of transfer and β-scission reactions, which are interconnected through complex dynamic equilibria. High temperature autoinitiated free radical polymerization of butyl acrylate resulted into a highly ordered product that consisted almost quantitatively of uniform macromonomeric structures. Autoinitiation provided a low radical flux aiding the MM synthesis, without requiring any initiator. This self-organized synthesis approach is highly efficient, simple, and cost and time effective as no purification and isolation steps are required, except high temperature.
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|Item Type:||Journal Article|
|Additional Information:||Cited By :38
Export Date: 5 September 2016
Correspondence Address: Barner-Kowollik, C.; Centre for Advanced Macromolecular Design, School of Chemical Sciences and Engineering, University of New South Wales, Sydney, NSW 2052, Australia; email: firstname.lastname@example.org
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|Keywords:||Autoinitiation, Electrospray ionization-mass spectrometry (ESI-MS), Kinetics (polym), Kinetics and mechanism, Macromonomer, Mass spectrometry, Molecular weight distribution/molar mass distribution, Radical polymerization, Electrospray ionization, Free radical polymerization, Macromolecules, Molar mass, Molecular weight distribution, Monomers, Unsaturated compounds, Macromonomers, Molar mass distribution, Unsaturated macromonomers, Polyacrylates|
|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 03:57|
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