Aqueous AGET ATRP of sodium 2-acrylamido-2-methyl-N-propane sulfonate yielding strong anionic comb polyelectrolytes

0380616 - ÚMCH 2013 RIV US eng J - Journal Article
Tolstov, A. - Gromadzki, Daniel - Netopilík, Miloš - Makuška, R.
Aqueous AGET ATRP of sodium 2-acrylamido-2-methyl-N-propane sulfonate yielding strong anionic comb polyelectrolytes.
E-Polymers. -, 075 (2012), s. 1-12. ISSN 1618-7229. E-ISSN 1618-7229
R&D Projects: GA ČR GCP205/11/J043
Institutional research plan: CEZ:AV0Z40500505
Keywords : AGET ATRP * polyelectrolytes
Subject RIV: CD - Macromolecular Chemistry
Impact factor: 0.400, year: 2012
http://www.e-polymers.org/journal/papers/dgromadzki_260812.pdf

Anionic comb polyelectrolytes containing 2-acrylamido-2-methyl-N-propane sulfonate groups both in the mainchain and in the grafts were prepared by activators generated by electron transfer atom transfer radical polymerization (AGET ATRP). The synthetic route included AGET ATRP copolymerization of 2-acrylamido-2-methyl-N-propanesulfonic acid (AMPS) and 2-hydroxyethyl acrylate (HEA) followed by modification of HEA units in the copolymers by 2-bromoisobutyryl bromide yielding macroinitiators which served for “grafting from” AGET ATRP of AMPS. Composition of the final and intermediate products was determined by 1H-NMR spectroscopy, and molecular weight and polydispersity of the resulting polyelectrolytes were estimated by size exclusion chromatography (SEC). Anionic comb polyelectrolytes with relatively low density of the grafts (5 – 7 grafting sites per 100 monomeric units of the mainchain) and relatively short side chains (9 or 25 AMPS units) were synthesized and characterized.
Permanent Link: http://hdl.handle.net/11104/0007138