The formation of star-like nanogels with different arm lengths via a radical crossover reaction of alkoxyamine units in diblock copolymers and direct observation of the star-like nanogels by scanning force microscopy were successfully accomplished.
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Rational approach to star-like nanogels with different arm lengths: formation by dynamic covalent exchange and their imaging.
Chem Commun (Camb)
February 2009
Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
The formation of star-like nanogels with different arm lengths via a radical crossover reaction of alkoxyamine units in diblock copolymers and direct observation of the star-like nanogels by scanning force microscopy were successfully accomplished.
View Article and Find Full Text PDFProgrammed thermodynamic formation and structure analysis of star-like nanogels with core cross-linked by thermally exchangeable dynamic covalent bonds.
J Am Chem Soc
October 2007
Graduate School of Engineering, and Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
Programmed thermodynamic formation of star-like nanogels from designed diblock copolymers with thermally exchangeable dynamic covalent bonds in their side chains and structure analysis of the nanogels were performed. Linear diblock copolymers that consist of poly(methyl methacrylate) block and random copolymer block of methyl methacrylate (MMA) and methacrylic esters with alkoxyamine moiety were prepared by atom transfer radical polymerization (ATRP). By heating the diblock copolymers in anisole, a cross-linking reaction occurred as a result of the radical crossover reaction of alkoxyamine moieties to afford star-like nanogels.
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Biomaterials
January 2007
School of Physics, Department of Materials Engineering, Monash University, Wellington Rd., Clayton, VIC 3800, Australia.
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