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Living Cationic Polymerizations Utilizing an Automated Synthesizer: High-Throughput Synthesis of Polyoxazolines

✍ Scribed by Richard Hoogenboom; Martin W. M. Fijten; Michael A. R. Meier; Ulrich S. Schubert

Publisher: John Wiley and Sons
Year: 2003
Tongue: English
Weight: 228 KB
Volume: 24
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.200390003

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✦ Synopsis

Abstract

Living cationic ring‐opening polymerizations of 2‐ethyl‐2‐oxazoline and purification of the resulting polymers were performed utilizing an automated synthesizer. Eight polymers (500 mg scale) as well as 40 polymers (150 mg scale) were synthesized in parallel to investigate the reproducibility and the living character of the polymerizations. The poly(2‐ethyl‐2‐oxazoline)s obtained such were characterized by means of ^1^H NMR spectroscopy, MALDI‐TOF mass spectrometry and online gel permeation chromatography.

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The Effect of Temperature on the Living Cationic Polymerization of 2-Phenyl-2-oxazoline Explored Utilizing an Automated Synthesizer

✍ Richard Hoogenboom; Martin W. M. Fijten; Ulrich S. Schubert 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 231 KB

## Abstract **Summary:** The temperature dependency of the polymerization of 2‐phenyl‐2‐oxazoline was investigated utilizing a commercially available automated synthesizer equipped with individually heatable reactors. Kinetic investigations resulted in an optimal polymerization temperature and acti