Grafting poly(t‐butyl acrylate) to poly(allylamine) by inverse microemulsion radical polymerization: From comb‐polymer to amphiphilic shell crosslinked polymer nanocapsule |
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| Authors: | Debanjan Sarkar Jouliana M El Khoury Stephanie T Lopina Jun Hu |
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| Affiliation: | 1. Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, Ohio 44325;2. Department of Chemistry, The University of Akron, Akron, Ohio 44325 |
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| Abstract: | An interfacial grafting radical polymerization method for amphiphilic comb copolymer and shell crosslinked polymer nanocapsules was reported. Macropolyradicals on a water soluble long chain polyamine were generated with hydrogen peroxide in the water phase and subsequent grafting radical polymerization of a vinylic monomer at the water/oil interface proceeded at 65°C. In the presence of a crosslinker, the resulting graft copolymer formed a defined core‐shell structure with hydrophilic aqueous core functionalized by the polyamine and a hydrophobic crosslinked polymer shell. The structure of the core‐shell material was characterized by NMR, FTIR, DSC, TGA, SEM, TEM, and the mechanism of the graft polymerization is proposed. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 1905–1911, 2007 |
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| Keywords: | amphiphilic copolymer core shell polymer inverse emulsion polymerization |
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