Volume 42, Issue 4 pp. 916-924
Article

Polymer–silicate nanocomposites produced by in situ atom transfer radical polymerization

Hanying Zhao

Hanying Zhao

Department of Chemistry and Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5810

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S. Dayana Argoti

S. Dayana Argoti

Department of Chemistry and Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5810

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Brendan P. Farrell

Brendan P. Farrell

Department of Chemistry and Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5810

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Devon A. Shipp

Corresponding Author

Devon A. Shipp

Department of Chemistry and Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5810

Department of Chemistry and Center for Advanced Materials Processing, Clarkson University, Potsdam, New York 13699-5810Search for more papers by this author
First published: 06 January 2004
Citations: 83

Abstract

Polymer–silicate nanocomposites were synthesized with atom transfer radical polymerization (ATRP). An ATRP initiator, consisting of a quaternary ammonium salt moiety and a 2-bromo-2-methyl propionate moiety, was intercalated into the interlayer spacings of the layered silicate. Subsequent ATRP of styrene, methyl methacrylate, or n-butyl acrylate with Cu(I)X/N,N-bis(2-pyridiylmethyl) octadecylamine, Cu(I)X/N,N,N,N,N″-pentamethyldiethylenetriamine, or Cu(I)X/1,1,4,7,10,10-hexamethyltriethylenetetramine (X = Br or Cl) catalysts with the initiator-modified silicate afforded homopolymers with predictable molecular weights and low polydispersities, both characteristics of living radical polymerization. The polystyrene nanocomposites contained both intercalated and exfoliated silicate structures, whereas the poly(methyl methacrylate) nanocomposites were significantly exfoliated. © 2004 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 42: 916–924, 2004

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