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Atom transfer radical polymerization as a tool for making poly(N-acryloylglycinamide) with molar mass independent UCST-type transitions in water and electrolytes

Title data

Liu, Fangyao ; Seuring, Jan ; Agarwal, Seema:
Atom transfer radical polymerization as a tool for making poly(N-acryloylglycinamide) with molar mass independent UCST-type transitions in water and electrolytes.
In: Polymer Chemistry. Vol. 4 (2013) Issue 10 . - pp. 3123-3131.
ISSN 1759-9954
DOI: https://doi.org/10.1039/C3PY00222E

Official URL: Volltext

Abstract in another language

Atom transfer radical polymerization (ATRP) of N-acryloylglycinamide has been used as a tool to make poly(NAGA) showing UCST-type phase transitions in water and electrolytes independent of molar mass and end-groups. We hypothesized that similarity in the structure of polymer chain ends with the repeat unit of poly(NAGA) could help in eliminating the effect of molar mass dependence of the cloud point especially in the low molar mass region. The monomer-like end-groups were introduced by choosing an appropriate initiator for ATRP like chloropropionamide (CPA). The catalyst system CuCl/CuCl2 and tris2-(dimethylamino)ethyl-amine (Me6TREN) as a ligand provided controlled polymerization of NAGA in DMSO at 45 degreeC with UCST-type transitions retained in water and electrolytes without being influenced by chain ends/molar mass and high concentration of salts like NaCl and Na2SO4.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: ACRYLAMIDE; COPOLYMERS; SOLVENT; ATRP; TEMPERATURE; POLYMERS
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Profile Fields > Advanced Fields > Polymer and Colloid Science
Research Institutions > Research Centres > Bayreuth Center for Colloids and Interfaces - BZKG
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 02 Apr 2015 11:38
Last Modified: 02 Apr 2015 11:38
URI: https://eref.uni-bayreuth.de/id/eprint/9593