| Abstract
| - Highly branched starlike comb polystyrenes (star polymers with four and five armsconstituted of PS combs) have been synthesized. The strategy developed is based on the highly selectivecoupling reaction of living polystyryllithium onto poly(chloroethyl vinyl ether) chains with a starlike chainarchitecture. The PS grafts and the poly(CEVE) building blocks were prepared individually by livingpolymerization techniques. The solution properties and the characteristic parameters ([η], Rg, Rh, ρ) ofthese new PS comb star macromolecules were determined and compared to those of the corresponding“linear” PS combs. The results confirm the much higher compactness of the new macromolecularstructures, which behave as hard spheres in the whole molar mass domain examined.
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