α,ω-Nitroxide-Capped Polystyrenes and Poly(butyl acrylate)s as Macroinitiators for the Free-Radical Polymerization of Methyl Methacrylate
✍ Scribed by Marc Bothe; Gudrun Schmidt-Naake
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 110 KB
- Volume
- 24
- Category
- Article
- ISSN
- 1022-1336
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✦ Synopsis
Abstract
The use of a bisaminooxy compound as initiator for nitroxide‐mediated radical polymerization (NMRP) of styrene or n‐butyl acrylate allows the synthesis of α,ω‐nitroxide‐capped polymers. At high temperatures and with the addition of acetic anhydride, it was found that these polymers could be applied as macroinitiators in the free‐radical polymerization of methyl methacrylate. This enables the synthesis of block copolymers with only minor contents of homopolymer.
The structure of bis‐TIPNO, the bisaminooxy compound used as an initiator for the nitroxide‐mediated radical polymerization of styrene or n‐butyl acrylate.
magnified imageThe structure of bis‐TIPNO, the bisaminooxy compound used as an initiator for the nitroxide‐mediated radical polymerization of styrene or n‐butyl acrylate.