Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16912
Title: Synthesis of well-defined amphiphilic core-shell particles containing amine-rich shells
Authors: Li, W
Li, P 
Keywords: Amphiphiles
Core-shell polymers
Methyl methacrylate
N-butyl acrylate
Polyvinylamine
Styrene
Issue Date: 2007
Publisher: Wiley-VCH
Source: Macromolecular rapid communications, 2007, v. 28, no. 23, p. 2267-2271 How to cite?
Journal: Macromolecular rapid communications 
Abstract: A new route to synthesize amphiphilic core-shell particles that consist of well-defined hydrophobic polymer cores and poly(vinylamine) (PVAm) shells has been developed. The PVAm was treated with a small amount of tert-butyl hydroperoxide to generate free radicals that subsequently initiated both graft- and homo-polymerization of vinyl monomer such as n-butyl acrylate, methyl methacrylate, and styrene. Stable particles in the range from 100 to 250 nm in diameter with very narrow size distributions (polydispersity index between 1.08 and 1.15) were produced in high yields. TEM images of the particles revealed that they had well-defined core-shell nanostructures with thick and hairy PVAm shells. The structures of the vinyl monomer and water-soluble polymer were found to strongly influence the formation of particles and their sizes.
URI: http://hdl.handle.net/10397/16912
ISSN: 1022-1336
DOI: 10.1002/marc.200700449
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