ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Synthesis and characterization of various block copolymers using PMMA-Br macroinitiator

Melahat Göktaş

Yüzüncü Yıl University, Van, Turkey

E-mail: melahat_36@hotmail.com

Abstract: In this study, block copolymers poly(methyl methacrylate-b-styrene) and poly(methyl methacrylate-b-acrylamide) were synthesized in two steps using a combination of the redox polymerization method and the atom transfer radical polymerization (ATRP) method. For this purpose, polymethyl methacrylate (PMMA-Br macroinitiator) was synthesized by redox polymerization of methyl methacrylate (MMA) and 3-bromo-1-propanol. Ce(NH₄)₂(NO₃)₆ was used as a catalyst for the redox polymerization. The syntheses of poly(MMA-b-S) and poly(MMA-b-AAm) block copolymers were carried out by means of ATRP of PMMA-Br macroinitiator, styrene (S), and acrylamide (AAm) at 110 °C. The block length of the block copolymers was adjusted by changing various parameters such as monomer and initiator concentrations. The characterization of the products was achieved using multi-instruments and methods such as nuclear magnetic resonance spectroscopy, Fourier transform infrared spectroscopy, gel permeation chromatography, thermogravimetric analysis, and fractional precipitation [solvent (THF-mL)/nonsolvent (petroleum ether-mL)] techniques.

Keywords: Atom transfer radical polymerization ; Redox polymerization ; Macroinitiator ; Styrene ; Acrylamide 

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-019-00785-y

Chemical Papers 73 (9) 2329–2339 (2019)