Synthesis of Poly(methyl methacrylate)-b-poly(N-isopropylacrylamide) Block Copolymer by Redox Polymerization and Atom Transfer Radical Polymerization

https://doi.org/10.22146/ijc.28645

Melahat Göktaş(1*), Guodong Deng(2)

(1) Yüzüncü Yıl University, Department of Science Education, Van, 65100, Turkey
(2) University of Akron, Department of Polymer Engineering, 250 S Forge St, Akron, OH 44325 USA
(*) Corresponding Author

Abstract


Poly(methyl methacrylate)-b-poly(N-isopropylacrylamide) [PMMA-b-PNIPAM] block copolymers were obtained by a combination of redox polymerization and atom transfer radical polymerization (ATRP) methods in two steps. For this purpose, PMMA macroinitator (ATRP-macroinitiator) was synthesized by redox polymerization of methyl methacrylate and 3-bromo-1-propanol using Ce(NH4)2(NO3)6 as a catalyst. The synthesis of PMMA-b-PNIPAM block copolymers was carried out by means of ATRP of ATRP-macroinitiator and NIPAM at 60 °C. The block copolymers were obtained in high yield and high molecular weight. The characterization of products was accomplished by using multi instruments and methods such as nuclear magnetic resonance spectroscopy, Fourier transform infrared spectroscopy, gel permeation chromatography, and thermogravimetric analysis.

Keywords


atom transfer radical polymerization; redox polymerization; macroinitiator; block copolymer; methyl methacrylate

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DOI: https://doi.org/10.22146/ijc.28645

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