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Synthesis of PMMA-co-PMAA Copolymer Brush on Multi-Wall Carbon Nanotubes

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DOI: 10.4236/jsemat.2012.223034    5,003 Downloads   8,719 Views   Citations

ABSTRACT

Poly(methyl methacrylate)/poly(methacrylamide) copolymer (PMMA-co-PMAA) was synthesized by a free radical copolymerization of MMA and MAA monomers in methylethyl ketone using AIBN as radical initiator. Multi-wall carbon nanotubes (MWCNT) were oxidized in KMnO4 acidic suspension. Carboxyl groups on the surface oxidized MWCNT were reacted with primary amide group of PMMA-co-PMAA copolymer in MEK solution under ultrasound to form polymer brush on the surface of MWCNT. With the help of TG analyses the amount of covalently grafted PMMA-co-PMAA copolymer onto MWCNT surface was determined as ?47 wt%. TEM analyses identified thin co-polymer layer adhered onto MWCNT surface with average thickness ?5 nm.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

P. Slobodian, P. Svoboda, P. Riha, R. Boruta and P. Saha, "Synthesis of PMMA-co-PMAA Copolymer Brush on Multi-Wall Carbon Nanotubes," Journal of Surface Engineered Materials and Advanced Technology, Vol. 2 No. 3A, 2012, pp. 221-226. doi: 10.4236/jsemat.2012.223034.

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