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Vol. 25 No. 2 (2013): Vol 25 Issue 2

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Studies on Graft Copolymerization of 2-Acrylamido-2-methylpropanesulfonic Acid onto Protein Initiated by Ammonium Persulfate

https://doi.org/10.14233/ajchem.2013.12941
Mohammad Sadeghi
Department of Chemistry, Science Faculty, Arak Branch, Islamic Azad University, Arak, Iran
Fatemeh Shafiei
Department of Chemistry, Science Faculty, Arak Branch, Islamic Azad University, Arak, Iran
Esmat Mohammadinasab
Department of Chemistry, Science Faculty, Arak Branch, Islamic Azad University, Arak, Iran

Corresponding Author(s) : Mohammad Sadeghi

m-sadeghi@iau-arak.ac.ir

Asian Journal of Chemistry, Vol. 25 No. 2 (2013): Vol 25 Issue 2

Abstract

The protein, collagen, has been chemically modified by graft copolymerization of 2-acrylamido-2-methylpropanesulfonic acid (AMPS) in an aqueous medium using ammonium persulfate as an initiator under argon atmosphere. A plausible reaction mechanism of grafting has been suggested. Evidence of grafting was obtained by comparison of FTIR spectra of collagen and homopolymer-free collagen-g-poly(2-acrylamido-2-methylpropanesulfonic acid) as well as solubility characteristics and gravimetric analysis of the products. Evidence of grafting was obtained by comparing FTIR, thermogravimetric curves of collagen and the graft copolymer as well as solubility characteristics of the products. The synthetic conditions were systematically optimized through studying the influential factors including temperature, concentration of the initiator, 2-acrylamido-2-methylpropanesulfonic acid monomer and collagen substrate.

Keywords

Graft copolymer Collagen 2-Acrylamido-2-methylpropanesulfonic acid
Sadeghi, M., Shafiei, F., & Mohammadinasab, E. (2016). Studies on Graft Copolymerization of 2-Acrylamido-2-methylpropanesulfonic Acid onto Protein Initiated by Ammonium Persulfate. Asian Journal of Chemistry, 25(2), 850–854. https://doi.org/10.14233/ajchem.2013.12941
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