Grafting poly(t-butyl acrylate) to poly(allylamine) by inverse microemulsion radical polymerization: From comb-polymer to amphiphilic shell crosslinked polymer nanocapsule
✍ Scribed by Debanjan Sarkar; Jouliana M. El Khoury; Stephanie T. Lopina; Jun Hu
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 554 KB
- Volume
- 104
- Category
- Article
- ISSN
- 0021-8995
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✦ Synopsis
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