End-group-functionalized poly(N,N-diethylacrylamide) via free-radical chain transfer polymerization: Influence of sulfur oxidation and cyclodextrin on self-organization and cloud points in water

Sebastian Reinelt,
Daniel Steinke and
Helmut Ritter

Full Research Paper
Published 19 Mar 2014

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1. Graphical Abstract
2. Scheme 1: Synthetic route for the synthesis of thiol functionalized 4-alkylphenols.
  
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3. Scheme 2: Synthetic route for the chain transfer polymerization of N,N-diethylacrylamide (7) with CTA 6a and ...
  
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4. Figure 1: Section of the MALDI –TOF spectrum of polymer 8b, indicating the high degree of end-group functiona...
  
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5. Figure 2: ¹H NMR spectrum of polymer 9b in CDCl₃ (300 MHz, rt).
  
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6. Figure 3: Top left: Section of the FTIR-spectrum of polymer 8b (black line) in comparison to 8bOx (red line);...
  
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7. Figure 4: Dependency of the cloud point values on the degree of polymerization (calculated by end-group analy...
  
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8. Figure 5: Shifts of the cloud points after the oxidation of the polymers (8a–d, 9a–d) to its corresponding su...
  
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9. Figure 6: Turbidimetry measurements of polymer 8b (straight black line – heating curve; dotted black line – c...
  
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10. Figure 7: 2D NMR NOESY spectrum of polymer 8b with two equivalents RAMEB-CD in D₂O (600 MHz, rt).
  
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11. Figure 8: Left: Schematic illustration of the micellar-like structures and reversibility by addition of RAMEB...
  
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12. Figure 9: Schematic illustration of the micellar-like structures, its deformation upon addition of one equiva...
  
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