temperature induced solubility transitions of various poly(2-oxazoline)s in ethanol-water solvent mixtures温度感应溶解度转换各种聚(2-oxazoline)年代包裹溶剂混合物.pdf

Polymers 2010, 2, 188-199; doi:10.3390/polym2030188 OPEN ACCESS polymers ISSN 2073-4360 /journal/polymers Article Temperature Induced Solubility Transitions of Various Poly(2-oxazoline)s in Ethanol-Water Solvent Mixtures 1 1 1 Hanneke M. L. Lambermont-Thijs , Huub P. C. van Kuringen , Jeroen P. W. van der Put , Ulrich S. Schubert 1,2,3,* and Richard Hoogenboom 1,4,* 1. Laboratory of Macromolecular Chemistry and Nanoscience, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; E-Mails: h.lambermont@tue.nl (H.M.L.L.-T.); h.p.c.v.kuringen@student.tue.nl (H.P.C.K.); j.p.w.v.d.put@student.tue.nl (J.P.W.P.) 2. Laboratory of Organic and Macromolecular Chemistry, Friedrich-Schiller-University Jena, Humboldtstrasse 10, 07743 Jena, Germany 3. Dutch Polymer Institute, John F. Kennedylaan 2, 5612 AB Eindhoven, The Netherlands 4. Supramolecular Chemistry group, Department of Organic Chemistry, Ghent University, Krijgslaan 281 S4, 9000 Ghent, Belgium * Author to whom correspondence should be addressed; E-Mails: ulrich.schubert@uni-jena.de (U.S.S.); r.hoogenboom@tue.nl (R.H.). Received: 13 June 2010; in revised form: 3 August 2010 / Accepted: 6 August 2010 / Published: 10 August 2010 Abstract: The solution behavior of a series of poly(2-oxazoline)s with different side chains, namely methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, pentyl, hexyl, heptyl, octyl, nonyl, phenyl and benzyl, are