Abstract
Polyisoprene (PI) star polymers with many arms formed a body-centred cubic (BCC) structure near the overlap threshold ( C *) in solution. After the PI stars (arm number n above about 90) revealed a superlattice of BCC structure in vinyl monomers (methyl methacrylate, styrene and t-butyl acrylate), the hybrid structures were constructed by locking the ordered superlattice into a solid matrix by means of free radical polymerization of the vinyl monomers. The morphologies of the polymerization-induced phase separation depended strongly on the arm number, propagation rate of the vinyl monomers, and the addition of chain transfer or cross-linking agents.
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