PMMA-g-SOY as a sustainable novel dielectric material

Vijay Kumar Thakur, Mahendra Thunga, Samy A. Madbouly, Michael R. Kessler*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)


Soy protein (and associated carbohydrate) (SOY) is graft copolymerized with poly(methyl methacrylate) (PMMA) to synthesize novel low cost dielectric materials for multifunctional applications. Graft copolymerization of methyl methacrylate onto pre-activated SOY is carried out using a simple reflux method to form covalently bonded PMMA-g-SOY copolymers. The resulting PMMA-g-SOY is processed into films without employing any toxic chemical solvents. The PMMA-g-SOY films exhibited enhanced storage modulus and a low loss tangent together with promising dielectric properties compared to the pristine PMMA polymer. This strategy may open a new avenue to efficiently use green co-products for multifunctional applications in traditional and structural capacitors.

Original languageEnglish
Pages (from-to)18240-18249
Number of pages10
JournalRSC Advances
Issue number35
Publication statusPrint publication - 1 Apr 2014
Externally publishedYes


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