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Peroxide Treatment of Soy Protein Fibers Followed by Grafting of Poly(methyl acrylate) and Copolymers

Pushpa Bhardwaj1, Susheel Kalia2,3,*, Amit Kumar1, Hemant Mittal4

1 Department of Chemistry, Shoolini University, Bajhol – 173 229, Dist. Solan (H.P.) India
2 Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, via Terracini 28, 40131, Bologna, Italy
3 Department of Chemistry, Bahra University, Waknaghat – 173 234, Dist. Solan (H.P.) India
4 Department of Applied Chemistry, University of Johannesburg, Doorfontein - 20280 Johannesburg, South Africa

* Corresponding Authors: email; email

Journal of Renewable Materials 2013, 1(4), 302-310.


The objective of the present study is to elucidate the effect of peroxide treatment and graft copolymerization on water absorption behavior of soy protein fi bers in order to make them suitable as a reinforcing material. Grafting of poly(methyl acrylate) and copolymers was successfully carried out on peroxide-treated soy protein fi bers. Different reaction parameters were optimized in order to get maximum percentage grafting. The grafted fi bers were evaluated for water absorption behavior in deionized water. Maximum grafting has been found at 0.219 mol/l of methyl acrylate, 0.0096:0.145 mol/l of FAS:H2O2 , 323 K, and 90minutes. Graft copolymerization results in remarkable changes in morphology of soy protein fi bers. The FT-IR spectrum confi rms the graft copolymerization of methyl acrylate and binary monomer mixture onto soy protein fi bers. Grafted soy protein fi bers showed minimum water absorption as compared to original and peroxide-treated soy protein fi bers because active sites were blocked due to grafting of poly(methyl acrylate) and other copolymers.


Cite This Article

Bhardwaj, P., Kalia, S., Kumar, A., Mittal, H. (2013). Peroxide Treatment of Soy Protein Fibers Followed by Grafting of Poly(methyl acrylate) and Copolymers. Journal of Renewable Materials, 1(4), 302–310.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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