Handbook of Polymer Synthesis: Second Edition - CRC …
Handbook of Polymer Synthesis, 2nd ed
The following section on nano-composites formed by grafting from the surface of a functionalized particle is an evolution of the "core first" approach to synthesis of star macromolecules. Initially a low molecular weight multi-functional molecule was used in a "grafting from" reaction to form star macromolecules with a well defined number of arms. Use of hexakis(chloromethyl)benzene as a well defined multifunctional initiator for the polymerization of styrene provided the first multi-arm polymer prepared using ATRP.(5,7) The composition of the core and arms were quickly expanded.(7-9,32)
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A simple sequential polymerization of a crosslinker followed by polymerization of a monomer(33) provides a broadly applicable approach to star copolymers. This novel method, termed "star from in situ generated core", belongs to the broader category of "core-first" methodology and presents an alternative strategy for star synthesis when compared to the traditional "arm-first" method, in which monomer is polymerized first followed by formation of the core by (co)polymerization of a cross-linker.
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Obviously the question would not be asked in a public forum if the answer was yes. It was recently disclosed how a standard free radical polymerization can be used for the high-yield synthesis of uniform star copolymers.(38) In the paper a novel simple method was reported for the synthesis of well-defined star polymers in high star yield by applying a conventional radical polymerization procedure to the copolymerization of linear macromonomers and divinyl cross-linkers in a homogeneous solution of the reagents.
Handbook Of Polymer Synthesis 2nd ed
The advantages of conventional radical polymerization for star synthesis, as compared to other polymerization techniques, include but are not limit to: