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Synthesis and characterization of brush-type polyβ-alanine-grafted polymethyl methacrylate using "grafting through" method

Gizem Nur Çolakoğlu, Efkan Çatıker, Temel Öztürk, and Ergül Meyvacı

Department of Chemistry, Giresun University, Giresun, Turkey

 

E-mail: temel.ozturk@giresun.edu.tr

Received: 3 June 2021  Accepted: 26 September 2021

Abstract:

Synthesis of poly(methyl methacrylate-g-β-alanine) [poly(MMA-g-BA)] brush-type graft copolymer was carried out by free-radical polymerization (FRP) of polyβ-alanine macromonomer with vinyl end-group and methyl methacrylate, that is, "grafting through" method. For this purpose, polyβ-alanine macromonomer with vinyl end-group was synthesized by base-catalyzed hydrogen transfer polymerization (HTP) of acrylamide monomer. The spectroscopic characterization of the products was determined by 1H-NMR and FTIR. The molecular weights of the synthesized polyβ-alanine macromonomer and the graft copolymers were defined through MALDI-TOF-MS analysis and Static Light Scattering measurement, respectively. TGA and DSC techniques were performed to reveal the thermal properties of the products. The morphological properties of the products were examined by SEM analysis. The spectroscopic and thermal analyses of poly(MMA-g-BA) brush-type graft copolymer revealed that the copolymer was easily built through a combination of HTP and FRP techniques.

Keywords: Macromomomer; Polyβ-alanine; Brush-type graft copolymer; Hydrogen transfer polymerization; Grafting through

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-021-01908-0

 

Chemical Papers 76 (2) 869–878 (2022)

Tuesday, June 18, 2024

IMPACT FACTOR 2021
2.146
SCImago Journal Rank 2021
0.365
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