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Synthesis of High-Molecular-Weight Linear Methacrylate Copolymers with Spiropyran Side Groups: Conformational Changes of Single Molecules in Solution and on Surfacesстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Adelmann Ronald, Mela Petra, Gallyamov Marat O., Keul Helmut, Moeller Martin
- Журнал: Journal of Polymer Science, Part A: Polymer Chemistry
- Том: 47
- Номер: 5
- Год издания: 2009
- Издательство: John Wiley & Sons Inc.
- Местоположение издательства: United States
- Первая страница: 1274
- Последняя страница: 1283
- DOI: 10.1002/pola.23230
- Аннотация: P(BMA-co-HEMA-spiropyran) was synthesized by reversible addition fragmentation chain transfer (RAFT) polymerization of butyl methacrylate (BMA) and 2-(trimethylsilyloxy)-ethyl methacrylate (HEMA-TMS), removal of the TMS-protective groups, and the polymer analogous esterification of the hydroxyethyl side chains with a spiropyran containing a carboxylic acid group. UV-induced conformational changes of the synthesized macromolecules and low-molecular-weight spiropyran molecules were studied. Rate constants and half-life times of the ring closure reaction from zwitterionic merocyanine to the spiropyran species were determined in the presence and absence of mica-dispersed particles in toluene both with the free spiropyran and the polymer-bound spiropyran. Scanning force microscopy was used to visualize the conformation of spiropyran-decorated single macromolecular chains and agglomerated polymer-bound merocyanine adsorbed on mica.
- Добавил в систему: Галлямов Марат Олегович