Thermoresponsive Poly(2-oxazine)s

M.M. Bloksma, R.M. Paulus, H.P.C. Kuringen, van, F. Woerdt, van der, H.M.L. Lambermont - Thijs, U.S. Schubert, R. Hoogenboom

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Abstract

The monomers 2-methyl-2-oxazine (MeOZI), 2-ethyl-2-oxazine (EtOZI), and 2-n-propyl-2-oxazine (nPropOZI) were synthesized and polymerized via the living cationic ring-opening polymerization (CROP) under microwave-assisted conditions. pEtOZI and pnPropOZI were found to be thermoresponsive, exhibiting LCST behavior in water and their cloud point temperatures (TCP) are lower than for poly(2-oxazoline)s with similar side chains. However, comparison of poly(2-oxazine) and poly(2-oxazoline)s isomers reveals that poly(2-oxazine)s are more water soluble, indicating that the side chain has a stronger impact on polymer solubility than the main chain. In conclusion, variations of both the side chains and the main chains of the poly(cyclic imino ether)s resulted in a series of distinct homopolymers with tunable TCP
Original languageEnglish
Pages (from-to)92-96
JournalMacromolecular Rapid Communications
Volume33
Issue number1
DOIs
Publication statusPublished - 2012

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    Bloksma, M. M., Paulus, R. M., Kuringen, van, H. P. C., Woerdt, van der, F., Lambermont - Thijs, H. M. L., Schubert, U. S., & Hoogenboom, R. (2012). Thermoresponsive Poly(2-oxazine)s. Macromolecular Rapid Communications, 33(1), 92-96. https://doi.org/10.1002/marc.201100587